./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdba4346-fd3a-400b-adff-b46f980f30c6/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdba4346-fd3a-400b-adff-b46f980f30c6/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdba4346-fd3a-400b-adff-b46f980f30c6/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdba4346-fd3a-400b-adff-b46f980f30c6/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdba4346-fd3a-400b-adff-b46f980f30c6/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdba4346-fd3a-400b-adff-b46f980f30c6/bin/uautomizer-J5u9QxTXDZ --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 1ae344c6ba282c956275e824e33ce3fb7903cfcf4f1d8d86b2dd8809a46e14d8 --- 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-dbf71c6-m [2022-10-17 11:03:13,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 11:03:13,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 11:03:13,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 11:03:13,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 11:03:13,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 11:03:13,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 11:03:13,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 11:03:13,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 11:03:13,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 11:03:13,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 11:03:13,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 11:03:13,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 11:03:13,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 11:03:13,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 11:03:13,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 11:03:13,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 11:03:13,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 11:03:13,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 11:03:13,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 11:03:13,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 11:03:13,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 11:03:13,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 11:03:13,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 11:03:13,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 11:03:13,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 11:03:13,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 11:03:13,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 11:03:13,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 11:03:13,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 11:03:13,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 11:03:13,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 11:03:13,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 11:03:13,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 11:03:13,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 11:03:13,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 11:03:13,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 11:03:13,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 11:03:13,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 11:03:13,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 11:03:13,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 11:03:13,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdba4346-fd3a-400b-adff-b46f980f30c6/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-10-17 11:03:13,385 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 11:03:13,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 11:03:13,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 11:03:13,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 11:03:13,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 11:03:13,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 11:03:13,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 11:03:13,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 11:03:13,391 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 11:03:13,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 11:03:13,393 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 11:03:13,393 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 11:03:13,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 11:03:13,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 11:03:13,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 11:03:13,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 11:03:13,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 11:03:13,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 11:03:13,395 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-10-17 11:03:13,395 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 11:03:13,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 11:03:13,395 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 11:03:13,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 11:03:13,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 11:03:13,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 11:03:13,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 11:03:13,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 11:03:13,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 11:03:13,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 11:03:13,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 11:03:13,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 11:03:13,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 11:03:13,404 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 11:03:13,404 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 11:03:13,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 11:03:13,405 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdba4346-fd3a-400b-adff-b46f980f30c6/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdba4346-fd3a-400b-adff-b46f980f30c6/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ae344c6ba282c956275e824e33ce3fb7903cfcf4f1d8d86b2dd8809a46e14d8 [2022-10-17 11:03:13,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 11:03:13,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 11:03:13,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 11:03:13,740 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 11:03:13,741 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 11:03:13,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdba4346-fd3a-400b-adff-b46f980f30c6/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i [2022-10-17 11:03:13,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdba4346-fd3a-400b-adff-b46f980f30c6/bin/uautomizer-J5u9QxTXDZ/data/ccb5d9f3b/e62e2bdce54746de87412d00c8afe179/FLAG807a0dcd5 [2022-10-17 11:03:14,327 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 11:03:14,328 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdba4346-fd3a-400b-adff-b46f980f30c6/sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i [2022-10-17 11:03:14,347 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdba4346-fd3a-400b-adff-b46f980f30c6/bin/uautomizer-J5u9QxTXDZ/data/ccb5d9f3b/e62e2bdce54746de87412d00c8afe179/FLAG807a0dcd5 [2022-10-17 11:03:14,629 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdba4346-fd3a-400b-adff-b46f980f30c6/bin/uautomizer-J5u9QxTXDZ/data/ccb5d9f3b/e62e2bdce54746de87412d00c8afe179 [2022-10-17 11:03:14,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 11:03:14,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 11:03:14,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 11:03:14,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 11:03:14,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 11:03:14,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:03:14" (1/1) ... [2022-10-17 11:03:14,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f65a25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:14, skipping insertion in model container [2022-10-17 11:03:14,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:03:14" (1/1) ... [2022-10-17 11:03:14,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 11:03:14,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 11:03:15,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:03:15,222 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 11:03:15,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:03:15,378 INFO L208 MainTranslator]: Completed translation [2022-10-17 11:03:15,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:15 WrapperNode [2022-10-17 11:03:15,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 11:03:15,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 11:03:15,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 11:03:15,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 11:03:15,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:15" (1/1) ... [2022-10-17 11:03:15,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:15" (1/1) ... [2022-10-17 11:03:15,467 INFO L138 Inliner]: procedures = 265, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2022-10-17 11:03:15,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 11:03:15,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 11:03:15,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 11:03:15,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 11:03:15,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:15" (1/1) ... [2022-10-17 11:03:15,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:15" (1/1) ... [2022-10-17 11:03:15,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:15" (1/1) ... [2022-10-17 11:03:15,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:15" (1/1) ... [2022-10-17 11:03:15,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:15" (1/1) ... [2022-10-17 11:03:15,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:15" (1/1) ... [2022-10-17 11:03:15,516 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:15" (1/1) ... [2022-10-17 11:03:15,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:15" (1/1) ... [2022-10-17 11:03:15,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 11:03:15,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 11:03:15,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 11:03:15,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 11:03:15,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:15" (1/1) ... [2022-10-17 11:03:15,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 11:03:15,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdba4346-fd3a-400b-adff-b46f980f30c6/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:03:15,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdba4346-fd3a-400b-adff-b46f980f30c6/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 11:03:15,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdba4346-fd3a-400b-adff-b46f980f30c6/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 11:03:15,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 11:03:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 11:03:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 11:03:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 11:03:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 11:03:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-10-17 11:03:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-10-17 11:03:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 11:03:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 11:03:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 11:03:15,618 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 11:03:15,757 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 11:03:15,760 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 11:03:16,084 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 11:03:16,119 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 11:03:16,119 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 11:03:16,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:03:16 BoogieIcfgContainer [2022-10-17 11:03:16,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 11:03:16,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 11:03:16,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 11:03:16,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 11:03:16,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 11:03:14" (1/3) ... [2022-10-17 11:03:16,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4074c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:03:16, skipping insertion in model container [2022-10-17 11:03:16,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:15" (2/3) ... [2022-10-17 11:03:16,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4074c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:03:16, skipping insertion in model container [2022-10-17 11:03:16,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:03:16" (3/3) ... [2022-10-17 11:03:16,134 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_11-equ_nr.i [2022-10-17 11:03:16,147 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-17 11:03:16,158 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 11:03:16,158 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-17 11:03:16,159 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-17 11:03:16,260 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-17 11:03:16,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 89 transitions, 183 flow [2022-10-17 11:03:16,391 INFO L130 PetriNetUnfolder]: 1/88 cut-off events. [2022-10-17 11:03:16,391 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 11:03:16,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 88 events. 1/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2022-10-17 11:03:16,394 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 89 transitions, 183 flow [2022-10-17 11:03:16,399 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 91 places, 88 transitions, 179 flow [2022-10-17 11:03:16,411 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 11:03:16,419 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;@199a3803, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 11:03:16,419 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-10-17 11:03:16,447 INFO L130 PetriNetUnfolder]: 1/71 cut-off events. [2022-10-17 11:03:16,447 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 11:03:16,448 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:03:16,448 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:03:16,449 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-10-17 11:03:16,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:03:16,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1893546033, now seen corresponding path program 1 times [2022-10-17 11:03:16,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:03:16,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793060694] [2022-10-17 11:03:16,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:03:16,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:03:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:03:17,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:03:17,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:03:17,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793060694] [2022-10-17 11:03:17,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793060694] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:03:17,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:03:17,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 11:03:17,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949499467] [2022-10-17 11:03:17,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:03:17,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 11:03:17,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:03:17,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 11:03:17,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 11:03:17,707 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 89 [2022-10-17 11:03:17,713 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 88 transitions, 179 flow. Second operand has 6 states, 6 states have (on average 63.333333333333336) internal successors, (380), 6 states have internal predecessors, (380), 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) [2022-10-17 11:03:17,713 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:03:17,713 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 89 [2022-10-17 11:03:17,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:03:18,088 INFO L130 PetriNetUnfolder]: 91/358 cut-off events. [2022-10-17 11:03:18,089 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-10-17 11:03:18,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 577 conditions, 358 events. 91/358 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1519 event pairs, 32 based on Foata normal form. 0/331 useless extension candidates. Maximal degree in co-relation 507. Up to 164 conditions per place. [2022-10-17 11:03:18,094 INFO L137 encePairwiseOnDemand]: 78/89 looper letters, 32 selfloop transitions, 22 changer transitions 4/117 dead transitions. [2022-10-17 11:03:18,095 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 117 transitions, 353 flow [2022-10-17 11:03:18,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 11:03:18,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 11:03:18,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 419 transitions. [2022-10-17 11:03:18,111 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7846441947565543 [2022-10-17 11:03:18,112 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 419 transitions. [2022-10-17 11:03:18,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 419 transitions. [2022-10-17 11:03:18,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:03:18,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 419 transitions. [2022-10-17 11:03:18,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 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) [2022-10-17 11:03:18,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 89.0) internal successors, (623), 7 states have internal predecessors, (623), 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) [2022-10-17 11:03:18,131 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 89.0) internal successors, (623), 7 states have internal predecessors, (623), 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) [2022-10-17 11:03:18,133 INFO L175 Difference]: Start difference. First operand has 91 places, 88 transitions, 179 flow. Second operand 6 states and 419 transitions. [2022-10-17 11:03:18,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 117 transitions, 353 flow [2022-10-17 11:03:18,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 117 transitions, 352 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-10-17 11:03:18,143 INFO L231 Difference]: Finished difference. Result has 100 places, 109 transitions, 328 flow [2022-10-17 11:03:18,146 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=328, PETRI_PLACES=100, PETRI_TRANSITIONS=109} [2022-10-17 11:03:18,150 INFO L287 CegarLoopForPetriNet]: 91 programPoint places, 9 predicate places. [2022-10-17 11:03:18,150 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 109 transitions, 328 flow [2022-10-17 11:03:18,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 63.333333333333336) internal successors, (380), 6 states have internal predecessors, (380), 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) [2022-10-17 11:03:18,151 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:03:18,151 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:03:18,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 11:03:18,152 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-10-17 11:03:18,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:03:18,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1677127730, now seen corresponding path program 1 times [2022-10-17 11:03:18,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:03:18,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53787506] [2022-10-17 11:03:18,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:03:18,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:03:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:03:18,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:03:18,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:03:18,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53787506] [2022-10-17 11:03:18,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53787506] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:03:18,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:03:18,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 11:03:18,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608686146] [2022-10-17 11:03:18,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:03:18,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 11:03:18,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:03:18,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 11:03:18,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 11:03:18,643 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 89 [2022-10-17 11:03:18,644 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 109 transitions, 328 flow. Second operand has 6 states, 6 states have (on average 71.83333333333333) internal successors, (431), 6 states have internal predecessors, (431), 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) [2022-10-17 11:03:18,644 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:03:18,644 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 89 [2022-10-17 11:03:18,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:03:18,899 INFO L130 PetriNetUnfolder]: 114/404 cut-off events. [2022-10-17 11:03:18,899 INFO L131 PetriNetUnfolder]: For 119/119 co-relation queries the response was YES. [2022-10-17 11:03:18,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 949 conditions, 404 events. 114/404 cut-off events. For 119/119 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1750 event pairs, 17 based on Foata normal form. 0/392 useless extension candidates. Maximal degree in co-relation 883. Up to 184 conditions per place. [2022-10-17 11:03:18,914 INFO L137 encePairwiseOnDemand]: 78/89 looper letters, 38 selfloop transitions, 26 changer transitions 11/145 dead transitions. [2022-10-17 11:03:18,914 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 145 transitions, 646 flow [2022-10-17 11:03:18,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 11:03:18,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 11:03:18,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 469 transitions. [2022-10-17 11:03:18,920 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8782771535580525 [2022-10-17 11:03:18,920 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 469 transitions. [2022-10-17 11:03:18,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 469 transitions. [2022-10-17 11:03:18,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:03:18,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 469 transitions. [2022-10-17 11:03:18,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 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) [2022-10-17 11:03:18,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 89.0) internal successors, (623), 7 states have internal predecessors, (623), 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) [2022-10-17 11:03:18,927 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 89.0) internal successors, (623), 7 states have internal predecessors, (623), 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) [2022-10-17 11:03:18,927 INFO L175 Difference]: Start difference. First operand has 100 places, 109 transitions, 328 flow. Second operand 6 states and 469 transitions. [2022-10-17 11:03:18,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 145 transitions, 646 flow [2022-10-17 11:03:18,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 145 transitions, 646 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-10-17 11:03:18,942 INFO L231 Difference]: Finished difference. Result has 110 places, 130 transitions, 552 flow [2022-10-17 11:03:18,943 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=552, PETRI_PLACES=110, PETRI_TRANSITIONS=130} [2022-10-17 11:03:18,944 INFO L287 CegarLoopForPetriNet]: 91 programPoint places, 19 predicate places. [2022-10-17 11:03:18,944 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 130 transitions, 552 flow [2022-10-17 11:03:18,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.83333333333333) internal successors, (431), 6 states have internal predecessors, (431), 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) [2022-10-17 11:03:18,945 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:03:18,945 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:03:18,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 11:03:18,946 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-10-17 11:03:18,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:03:18,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1123295328, now seen corresponding path program 1 times [2022-10-17 11:03:18,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:03:18,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78708485] [2022-10-17 11:03:18,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:03:18,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:03:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:03:19,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:03:19,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:03:19,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78708485] [2022-10-17 11:03:19,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78708485] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:03:19,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:03:19,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-17 11:03:19,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082171205] [2022-10-17 11:03:19,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:03:19,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-17 11:03:19,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:03:19,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-17 11:03:19,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-10-17 11:03:19,602 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 89 [2022-10-17 11:03:19,603 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 130 transitions, 552 flow. Second operand has 11 states, 11 states have (on average 46.36363636363637) internal successors, (510), 11 states have internal predecessors, (510), 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) [2022-10-17 11:03:19,604 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:03:19,604 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 89 [2022-10-17 11:03:19,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:03:20,211 INFO L130 PetriNetUnfolder]: 260/866 cut-off events. [2022-10-17 11:03:20,211 INFO L131 PetriNetUnfolder]: For 611/611 co-relation queries the response was YES. [2022-10-17 11:03:20,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2623 conditions, 866 events. 260/866 cut-off events. For 611/611 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 5417 event pairs, 68 based on Foata normal form. 11/872 useless extension candidates. Maximal degree in co-relation 1564. Up to 286 conditions per place. [2022-10-17 11:03:20,234 INFO L137 encePairwiseOnDemand]: 74/89 looper letters, 141 selfloop transitions, 35 changer transitions 19/238 dead transitions. [2022-10-17 11:03:20,234 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 238 transitions, 1624 flow [2022-10-17 11:03:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-17 11:03:20,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-10-17 11:03:20,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 576 transitions. [2022-10-17 11:03:20,237 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.5883554647599591 [2022-10-17 11:03:20,237 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 576 transitions. [2022-10-17 11:03:20,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 576 transitions. [2022-10-17 11:03:20,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:03:20,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 576 transitions. [2022-10-17 11:03:20,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 52.36363636363637) internal successors, (576), 11 states have internal predecessors, (576), 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) [2022-10-17 11:03:20,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 89.0) internal successors, (1068), 12 states have internal predecessors, (1068), 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) [2022-10-17 11:03:20,244 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 89.0) internal successors, (1068), 12 states have internal predecessors, (1068), 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) [2022-10-17 11:03:20,244 INFO L175 Difference]: Start difference. First operand has 110 places, 130 transitions, 552 flow. Second operand 11 states and 576 transitions. [2022-10-17 11:03:20,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 238 transitions, 1624 flow [2022-10-17 11:03:20,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 238 transitions, 1588 flow, removed 18 selfloop flow, removed 0 redundant places. [2022-10-17 11:03:20,263 INFO L231 Difference]: Finished difference. Result has 128 places, 161 transitions, 949 flow [2022-10-17 11:03:20,264 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=949, PETRI_PLACES=128, PETRI_TRANSITIONS=161} [2022-10-17 11:03:20,265 INFO L287 CegarLoopForPetriNet]: 91 programPoint places, 37 predicate places. [2022-10-17 11:03:20,265 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 161 transitions, 949 flow [2022-10-17 11:03:20,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 46.36363636363637) internal successors, (510), 11 states have internal predecessors, (510), 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) [2022-10-17 11:03:20,266 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:03:20,266 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:03:20,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 11:03:20,266 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-10-17 11:03:20,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:03:20,267 INFO L85 PathProgramCache]: Analyzing trace with hash -903409807, now seen corresponding path program 1 times [2022-10-17 11:03:20,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:03:20,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33320265] [2022-10-17 11:03:20,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:03:20,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:03:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:03:20,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:03:20,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:03:20,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33320265] [2022-10-17 11:03:20,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33320265] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:03:20,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:03:20,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-17 11:03:20,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942210105] [2022-10-17 11:03:20,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:03:20,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 11:03:20,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:03:20,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 11:03:20,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-10-17 11:03:20,707 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 89 [2022-10-17 11:03:20,708 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 161 transitions, 949 flow. Second operand has 7 states, 7 states have (on average 62.714285714285715) internal successors, (439), 7 states have internal predecessors, (439), 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) [2022-10-17 11:03:20,709 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:03:20,709 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 89 [2022-10-17 11:03:20,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:03:20,983 INFO L130 PetriNetUnfolder]: 96/508 cut-off events. [2022-10-17 11:03:20,983 INFO L131 PetriNetUnfolder]: For 797/797 co-relation queries the response was YES. [2022-10-17 11:03:20,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1530 conditions, 508 events. 96/508 cut-off events. For 797/797 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2681 event pairs, 11 based on Foata normal form. 8/514 useless extension candidates. Maximal degree in co-relation 1287. Up to 101 conditions per place. [2022-10-17 11:03:20,989 INFO L137 encePairwiseOnDemand]: 82/89 looper letters, 45 selfloop transitions, 3 changer transitions 40/156 dead transitions. [2022-10-17 11:03:20,989 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 156 transitions, 983 flow [2022-10-17 11:03:20,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 11:03:20,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-10-17 11:03:20,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 466 transitions. [2022-10-17 11:03:20,992 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7479935794542536 [2022-10-17 11:03:20,992 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 466 transitions. [2022-10-17 11:03:20,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 466 transitions. [2022-10-17 11:03:20,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:03:20,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 466 transitions. [2022-10-17 11:03:20,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 66.57142857142857) internal successors, (466), 7 states have internal predecessors, (466), 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) [2022-10-17 11:03:20,997 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 89.0) internal successors, (712), 8 states have internal predecessors, (712), 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) [2022-10-17 11:03:20,997 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 89.0) internal successors, (712), 8 states have internal predecessors, (712), 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) [2022-10-17 11:03:20,997 INFO L175 Difference]: Start difference. First operand has 128 places, 161 transitions, 949 flow. Second operand 7 states and 466 transitions. [2022-10-17 11:03:20,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 156 transitions, 983 flow [2022-10-17 11:03:21,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 156 transitions, 908 flow, removed 4 selfloop flow, removed 7 redundant places. [2022-10-17 11:03:21,020 INFO L231 Difference]: Finished difference. Result has 129 places, 115 transitions, 575 flow [2022-10-17 11:03:21,021 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=655, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=575, PETRI_PLACES=129, PETRI_TRANSITIONS=115} [2022-10-17 11:03:21,023 INFO L287 CegarLoopForPetriNet]: 91 programPoint places, 38 predicate places. [2022-10-17 11:03:21,023 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 115 transitions, 575 flow [2022-10-17 11:03:21,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 62.714285714285715) internal successors, (439), 7 states have internal predecessors, (439), 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) [2022-10-17 11:03:21,024 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:03:21,024 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:03:21,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 11:03:21,026 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-10-17 11:03:21,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:03:21,028 INFO L85 PathProgramCache]: Analyzing trace with hash 726479915, now seen corresponding path program 1 times [2022-10-17 11:03:21,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:03:21,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587594615] [2022-10-17 11:03:21,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:03:21,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:03:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:03:21,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:03:21,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:03:21,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587594615] [2022-10-17 11:03:21,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587594615] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:03:21,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:03:21,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-17 11:03:21,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383299243] [2022-10-17 11:03:21,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:03:21,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-17 11:03:21,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:03:21,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-17 11:03:21,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-10-17 11:03:21,675 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 89 [2022-10-17 11:03:21,676 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 115 transitions, 575 flow. Second operand has 11 states, 11 states have (on average 46.36363636363637) internal successors, (510), 11 states have internal predecessors, (510), 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) [2022-10-17 11:03:21,676 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:03:21,677 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 89 [2022-10-17 11:03:21,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:03:22,080 INFO L130 PetriNetUnfolder]: 100/322 cut-off events. [2022-10-17 11:03:22,081 INFO L131 PetriNetUnfolder]: For 405/405 co-relation queries the response was YES. [2022-10-17 11:03:22,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1217 conditions, 322 events. 100/322 cut-off events. For 405/405 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1223 event pairs, 21 based on Foata normal form. 11/331 useless extension candidates. Maximal degree in co-relation 1122. Up to 77 conditions per place. [2022-10-17 11:03:22,083 INFO L137 encePairwiseOnDemand]: 79/89 looper letters, 0 selfloop transitions, 0 changer transitions 157/157 dead transitions. [2022-10-17 11:03:22,084 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 157 transitions, 1125 flow [2022-10-17 11:03:22,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-17 11:03:22,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-10-17 11:03:22,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 506 transitions. [2022-10-17 11:03:22,087 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.5685393258426966 [2022-10-17 11:03:22,087 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 506 transitions. [2022-10-17 11:03:22,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 506 transitions. [2022-10-17 11:03:22,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:03:22,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 506 transitions. [2022-10-17 11:03:22,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 50.6) internal successors, (506), 10 states have internal predecessors, (506), 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) [2022-10-17 11:03:22,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 89.0) internal successors, (979), 11 states have internal predecessors, (979), 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) [2022-10-17 11:03:22,093 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 89.0) internal successors, (979), 11 states have internal predecessors, (979), 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) [2022-10-17 11:03:22,093 INFO L175 Difference]: Start difference. First operand has 129 places, 115 transitions, 575 flow. Second operand 10 states and 506 transitions. [2022-10-17 11:03:22,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 157 transitions, 1125 flow [2022-10-17 11:03:22,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 157 transitions, 952 flow, removed 19 selfloop flow, removed 16 redundant places. [2022-10-17 11:03:22,103 INFO L231 Difference]: Finished difference. Result has 106 places, 0 transitions, 0 flow [2022-10-17 11:03:22,104 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=106, PETRI_TRANSITIONS=0} [2022-10-17 11:03:22,107 INFO L287 CegarLoopForPetriNet]: 91 programPoint places, 15 predicate places. [2022-10-17 11:03:22,107 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 0 transitions, 0 flow [2022-10-17 11:03:22,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 46.36363636363637) internal successors, (510), 11 states have internal predecessors, (510), 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) [2022-10-17 11:03:22,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2022-10-17 11:03:22,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-10-17 11:03:22,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2022-10-17 11:03:22,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2022-10-17 11:03:22,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-17 11:03:22,112 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-10-17 11:03:22,118 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-17 11:03:22,118 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 11:03:22,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 11:03:22 BasicIcfg [2022-10-17 11:03:22,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 11:03:22,132 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 11:03:22,132 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 11:03:22,132 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 11:03:22,133 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:03:16" (3/4) ... [2022-10-17 11:03:22,136 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 11:03:22,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-10-17 11:03:22,149 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-10-17 11:03:22,149 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 11:03:22,149 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 11:03:22,198 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdba4346-fd3a-400b-adff-b46f980f30c6/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 11:03:22,198 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 11:03:22,199 INFO L158 Benchmark]: Toolchain (without parser) took 7566.48ms. Allocated memory was 100.7MB in the beginning and 218.1MB in the end (delta: 117.4MB). Free memory was 54.3MB in the beginning and 87.2MB in the end (delta: -32.9MB). Peak memory consumption was 85.5MB. Max. memory is 16.1GB. [2022-10-17 11:03:22,199 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 11:03:22,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 731.82ms. Allocated memory is still 100.7MB. Free memory was 78.8MB in the beginning and 57.0MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-10-17 11:03:22,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.09ms. Allocated memory is still 100.7MB. Free memory was 57.0MB in the beginning and 54.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 11:03:22,201 INFO L158 Benchmark]: Boogie Preprocessor took 60.61ms. Allocated memory is still 100.7MB. Free memory was 54.6MB in the beginning and 52.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 11:03:22,201 INFO L158 Benchmark]: RCFGBuilder took 592.15ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 52.9MB in the beginning and 100.2MB in the end (delta: -47.3MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2022-10-17 11:03:22,202 INFO L158 Benchmark]: TraceAbstraction took 6006.51ms. Allocated memory was 125.8MB in the beginning and 218.1MB in the end (delta: 92.3MB). Free memory was 99.6MB in the beginning and 89.3MB in the end (delta: 10.3MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. [2022-10-17 11:03:22,202 INFO L158 Benchmark]: Witness Printer took 66.19ms. Allocated memory is still 218.1MB. Free memory was 89.3MB in the beginning and 87.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 11:03:22,205 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 731.82ms. Allocated memory is still 100.7MB. Free memory was 78.8MB in the beginning and 57.0MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.09ms. Allocated memory is still 100.7MB. Free memory was 57.0MB in the beginning and 54.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.61ms. Allocated memory is still 100.7MB. Free memory was 54.6MB in the beginning and 52.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 592.15ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 52.9MB in the beginning and 100.2MB in the end (delta: -47.3MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * TraceAbstraction took 6006.51ms. Allocated memory was 125.8MB in the beginning and 218.1MB in the end (delta: 92.3MB). Free memory was 99.6MB in the beginning and 89.3MB in the end (delta: 10.3MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. * Witness Printer took 66.19ms. Allocated memory is still 218.1MB. Free memory was 89.3MB in the beginning and 87.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1019]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 996]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 106 locations, 4 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: 5.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 264 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 264 mSDsluCounter, 116 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 79 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1037 IncrementalHoareTripleChecker+Invalid, 1116 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 79 mSolverCounterUnsat, 70 mSDtfsCounter, 1037 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=949occurred in iteration=3, InterpolantAutomatonStates: 40, 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, 3.0s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 307 ConstructedInterpolants, 0 QuantifiedInterpolants, 1425 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-17 11:03:22,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdba4346-fd3a-400b-adff-b46f980f30c6/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE