./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.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_11208980-056d-4b8a-8054-a53994e4fa97/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11208980-056d-4b8a-8054-a53994e4fa97/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_11208980-056d-4b8a-8054-a53994e4fa97/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11208980-056d-4b8a-8054-a53994e4fa97/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11208980-056d-4b8a-8054-a53994e4fa97/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_11208980-056d-4b8a-8054-a53994e4fa97/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 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf --- 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 18:06:14,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:06:14,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:06:14,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:06:14,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:06:14,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:06:14,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:06:14,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:06:14,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:06:14,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:06:14,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:06:14,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:06:14,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:06:14,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:06:14,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:06:14,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:06:14,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:06:14,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:06:14,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:06:14,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:06:14,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:06:14,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:06:14,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:06:14,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:06:14,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:06:14,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:06:14,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:06:14,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:06:14,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:06:14,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:06:14,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:06:14,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:06:14,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:06:14,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:06:14,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:06:14,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:06:14,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:06:14,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:06:14,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:06:14,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:06:14,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:06:14,974 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11208980-056d-4b8a-8054-a53994e4fa97/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 18:06:14,988 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:06:14,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:06:14,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:06:14,988 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:06:14,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:06:14,989 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:06:14,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:06:14,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:06:14,990 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:06:14,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:06:14,990 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:06:14,990 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:06:14,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:06:14,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:06:14,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:06:14,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:06:14,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:06:14,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:06:14,991 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 18:06:14,991 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:06:14,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:06:14,991 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:06:14,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:06:14,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:06:14,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:06:14,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:06:14,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:06:14,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:06:14,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:06:14,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:06:14,992 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:06:14,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:06:14,993 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:06:14,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:06:14,993 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:06:14,993 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:06:14,993 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:06:14,993 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_11208980-056d-4b8a-8054-a53994e4fa97/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11208980-056d-4b8a-8054-a53994e4fa97/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf [2022-12-13 18:06:15,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:06:15,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:06:15,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:06:15,197 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:06:15,198 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:06:15,199 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11208980-056d-4b8a-8054-a53994e4fa97/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i [2022-12-13 18:06:17,884 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:06:18,072 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:06:18,072 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11208980-056d-4b8a-8054-a53994e4fa97/sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i [2022-12-13 18:06:18,084 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11208980-056d-4b8a-8054-a53994e4fa97/bin/uautomizer-uyxdKDjOR8/data/4103421fd/a7e309c6b2824551923b05d60135ddc6/FLAG4bc8eb35d [2022-12-13 18:06:18,095 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11208980-056d-4b8a-8054-a53994e4fa97/bin/uautomizer-uyxdKDjOR8/data/4103421fd/a7e309c6b2824551923b05d60135ddc6 [2022-12-13 18:06:18,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:06:18,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:06:18,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:06:18,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:06:18,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:06:18,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:06:18" (1/1) ... [2022-12-13 18:06:18,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a8494b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:18, skipping insertion in model container [2022-12-13 18:06:18,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:06:18" (1/1) ... [2022-12-13 18:06:18,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:06:18,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:06:18,240 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11208980-056d-4b8a-8054-a53994e4fa97/sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i[1096,1109] [2022-12-13 18:06:18,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:06:18,346 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:06:18,354 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11208980-056d-4b8a-8054-a53994e4fa97/sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i[1096,1109] [2022-12-13 18:06:18,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:06:18,394 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:06:18,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:18 WrapperNode [2022-12-13 18:06:18,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:06:18,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:06:18,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:06:18,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:06:18,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:18" (1/1) ... [2022-12-13 18:06:18,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:18" (1/1) ... [2022-12-13 18:06:18,423 INFO L138 Inliner]: procedures = 162, calls = 46, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 103 [2022-12-13 18:06:18,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:06:18,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:06:18,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:06:18,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:06:18,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:18" (1/1) ... [2022-12-13 18:06:18,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:18" (1/1) ... [2022-12-13 18:06:18,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:18" (1/1) ... [2022-12-13 18:06:18,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:18" (1/1) ... [2022-12-13 18:06:18,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:18" (1/1) ... [2022-12-13 18:06:18,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:18" (1/1) ... [2022-12-13 18:06:18,440 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:18" (1/1) ... [2022-12-13 18:06:18,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:18" (1/1) ... [2022-12-13 18:06:18,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:06:18,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:06:18,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:06:18,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:06:18,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:18" (1/1) ... [2022-12-13 18:06:18,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:06:18,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11208980-056d-4b8a-8054-a53994e4fa97/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:06:18,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11208980-056d-4b8a-8054-a53994e4fa97/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:06:18,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11208980-056d-4b8a-8054-a53994e4fa97/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:06:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 18:06:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 18:06:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 18:06:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:06:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:06:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 18:06:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 18:06:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:06:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:06:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:06:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:06:18,495 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 18:06:18,597 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:06:18,598 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:06:18,825 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:06:18,831 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:06:18,832 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:06:18,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:06:18 BoogieIcfgContainer [2022-12-13 18:06:18,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:06:18,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:06:18,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:06:18,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:06:18,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:06:18" (1/3) ... [2022-12-13 18:06:18,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@729422e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:06:18, skipping insertion in model container [2022-12-13 18:06:18,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:18" (2/3) ... [2022-12-13 18:06:18,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@729422e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:06:18, skipping insertion in model container [2022-12-13 18:06:18,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:06:18" (3/3) ... [2022-12-13 18:06:18,840 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_24-multiple-protecting_true.i [2022-12-13 18:06:18,846 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 18:06:18,854 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:06:18,854 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2022-12-13 18:06:18,854 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 18:06:18,909 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-13 18:06:18,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 189 places, 189 transitions, 386 flow [2022-12-13 18:06:18,995 INFO L130 PetriNetUnfolder]: 4/188 cut-off events. [2022-12-13 18:06:18,995 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 18:06:19,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 188 events. 4/188 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 187 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 140. Up to 2 conditions per place. [2022-12-13 18:06:19,001 INFO L82 GeneralOperation]: Start removeDead. Operand has 189 places, 189 transitions, 386 flow [2022-12-13 18:06:19,004 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 180 places, 180 transitions, 363 flow [2022-12-13 18:06:19,007 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 18:06:19,015 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 180 places, 180 transitions, 363 flow [2022-12-13 18:06:19,017 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 180 places, 180 transitions, 363 flow [2022-12-13 18:06:19,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 180 places, 180 transitions, 363 flow [2022-12-13 18:06:19,044 INFO L130 PetriNetUnfolder]: 4/180 cut-off events. [2022-12-13 18:06:19,044 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:06:19,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 180 events. 4/180 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 187 event pairs, 0 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 140. Up to 2 conditions per place. [2022-12-13 18:06:19,047 INFO L119 LiptonReduction]: Number of co-enabled transitions 9750 [2022-12-13 18:06:21,973 INFO L134 LiptonReduction]: Checked pairs total: 45920 [2022-12-13 18:06:21,974 INFO L136 LiptonReduction]: Total number of compositions: 121 [2022-12-13 18:06:21,984 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:06:21,988 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;@42b053c7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:06:21,989 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2022-12-13 18:06:21,991 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2022-12-13 18:06:21,991 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:06:21,991 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:06:21,992 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 18:06:21,992 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-12-13 18:06:21,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:06:21,996 INFO L85 PathProgramCache]: Analyzing trace with hash 927794304, now seen corresponding path program 1 times [2022-12-13 18:06:22,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:06:22,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626073511] [2022-12-13 18:06:22,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:06:22,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:06:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:06:22,178 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 18:06:22,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:06:22,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626073511] [2022-12-13 18:06:22,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626073511] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:06:22,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:06:22,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:06:22,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137051624] [2022-12-13 18:06:22,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:06:22,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:06:22,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:06:22,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:06:22,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:06:22,228 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 310 [2022-12-13 18:06:22,231 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 77 transitions, 157 flow. Second operand has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 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 18:06:22,232 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:06:22,232 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 310 [2022-12-13 18:06:22,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:06:22,484 INFO L130 PetriNetUnfolder]: 923/2385 cut-off events. [2022-12-13 18:06:22,484 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:06:22,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4332 conditions, 2385 events. 923/2385 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 15508 event pairs, 166 based on Foata normal form. 88/2274 useless extension candidates. Maximal degree in co-relation 4323. Up to 1121 conditions per place. [2022-12-13 18:06:22,494 INFO L137 encePairwiseOnDemand]: 291/310 looper letters, 84 selfloop transitions, 10 changer transitions 0/112 dead transitions. [2022-12-13 18:06:22,495 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 112 transitions, 415 flow [2022-12-13 18:06:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:06:22,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:06:22,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 593 transitions. [2022-12-13 18:06:22,505 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6376344086021506 [2022-12-13 18:06:22,506 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 593 transitions. [2022-12-13 18:06:22,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 593 transitions. [2022-12-13 18:06:22,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:06:22,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 593 transitions. [2022-12-13 18:06:22,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 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 18:06:22,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 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 18:06:22,519 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 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 18:06:22,520 INFO L175 Difference]: Start difference. First operand has 78 places, 77 transitions, 157 flow. Second operand 3 states and 593 transitions. [2022-12-13 18:06:22,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 112 transitions, 415 flow [2022-12-13 18:06:22,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 112 transitions, 414 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 18:06:22,525 INFO L231 Difference]: Finished difference. Result has 77 places, 78 transitions, 220 flow [2022-12-13 18:06:22,526 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=77, PETRI_TRANSITIONS=78} [2022-12-13 18:06:22,530 INFO L288 CegarLoopForPetriNet]: 78 programPoint places, -1 predicate places. [2022-12-13 18:06:22,530 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 78 transitions, 220 flow [2022-12-13 18:06:22,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 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 18:06:22,530 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:06:22,530 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:06:22,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:06:22,531 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-12-13 18:06:22,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:06:22,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1808690316, now seen corresponding path program 1 times [2022-12-13 18:06:22,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:06:22,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051251318] [2022-12-13 18:06:22,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:06:22,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:06:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:06:22,581 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 18:06:22,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:06:22,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051251318] [2022-12-13 18:06:22,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051251318] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:06:22,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:06:22,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:06:22,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602992057] [2022-12-13 18:06:22,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:06:22,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:06:22,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:06:22,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:06:22,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:06:22,602 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 310 [2022-12-13 18:06:22,603 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 78 transitions, 220 flow. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 18:06:22,603 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:06:22,603 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 310 [2022-12-13 18:06:22,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:06:22,918 INFO L130 PetriNetUnfolder]: 860/2358 cut-off events. [2022-12-13 18:06:22,918 INFO L131 PetriNetUnfolder]: For 464/481 co-relation queries the response was YES. [2022-12-13 18:06:22,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4663 conditions, 2358 events. 860/2358 cut-off events. For 464/481 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 15341 event pairs, 655 based on Foata normal form. 2/2175 useless extension candidates. Maximal degree in co-relation 4653. Up to 1679 conditions per place. [2022-12-13 18:06:22,930 INFO L137 encePairwiseOnDemand]: 303/310 looper letters, 71 selfloop transitions, 8 changer transitions 0/103 dead transitions. [2022-12-13 18:06:22,930 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 103 transitions, 450 flow [2022-12-13 18:06:22,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:06:22,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:06:22,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 575 transitions. [2022-12-13 18:06:22,933 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6182795698924731 [2022-12-13 18:06:22,933 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 575 transitions. [2022-12-13 18:06:22,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 575 transitions. [2022-12-13 18:06:22,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:06:22,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 575 transitions. [2022-12-13 18:06:22,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 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 18:06:22,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 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 18:06:22,938 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 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 18:06:22,939 INFO L175 Difference]: Start difference. First operand has 77 places, 78 transitions, 220 flow. Second operand 3 states and 575 transitions. [2022-12-13 18:06:22,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 103 transitions, 450 flow [2022-12-13 18:06:22,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 103 transitions, 422 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 18:06:22,943 INFO L231 Difference]: Finished difference. Result has 79 places, 85 transitions, 272 flow [2022-12-13 18:06:22,944 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=272, PETRI_PLACES=79, PETRI_TRANSITIONS=85} [2022-12-13 18:06:22,944 INFO L288 CegarLoopForPetriNet]: 78 programPoint places, 1 predicate places. [2022-12-13 18:06:22,944 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 85 transitions, 272 flow [2022-12-13 18:06:22,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 18:06:22,945 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:06:22,945 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:06:22,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:06:22,946 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-12-13 18:06:22,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:06:22,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1533031869, now seen corresponding path program 1 times [2022-12-13 18:06:22,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:06:22,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755517615] [2022-12-13 18:06:22,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:06:22,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:06:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:06:23,054 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 18:06:23,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:06:23,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755517615] [2022-12-13 18:06:23,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755517615] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:06:23,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:06:23,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:06:23,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841254179] [2022-12-13 18:06:23,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:06:23,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:06:23,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:06:23,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:06:23,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:06:23,089 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 310 [2022-12-13 18:06:23,090 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 85 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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 18:06:23,090 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:06:23,090 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 310 [2022-12-13 18:06:23,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:06:23,351 INFO L130 PetriNetUnfolder]: 917/2470 cut-off events. [2022-12-13 18:06:23,351 INFO L131 PetriNetUnfolder]: For 508/555 co-relation queries the response was YES. [2022-12-13 18:06:23,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5025 conditions, 2470 events. 917/2470 cut-off events. For 508/555 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 16741 event pairs, 504 based on Foata normal form. 24/2307 useless extension candidates. Maximal degree in co-relation 5014. Up to 1642 conditions per place. [2022-12-13 18:06:23,359 INFO L137 encePairwiseOnDemand]: 296/310 looper letters, 84 selfloop transitions, 15 changer transitions 0/129 dead transitions. [2022-12-13 18:06:23,359 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 129 transitions, 576 flow [2022-12-13 18:06:23,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:06:23,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:06:23,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 582 transitions. [2022-12-13 18:06:23,360 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6258064516129033 [2022-12-13 18:06:23,360 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 582 transitions. [2022-12-13 18:06:23,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 582 transitions. [2022-12-13 18:06:23,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:06:23,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 582 transitions. [2022-12-13 18:06:23,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 194.0) internal successors, (582), 3 states have internal predecessors, (582), 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 18:06:23,363 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 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 18:06:23,363 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 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 18:06:23,363 INFO L175 Difference]: Start difference. First operand has 79 places, 85 transitions, 272 flow. Second operand 3 states and 582 transitions. [2022-12-13 18:06:23,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 129 transitions, 576 flow [2022-12-13 18:06:23,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 129 transitions, 556 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-13 18:06:23,366 INFO L231 Difference]: Finished difference. Result has 80 places, 96 transitions, 343 flow [2022-12-13 18:06:23,366 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=343, PETRI_PLACES=80, PETRI_TRANSITIONS=96} [2022-12-13 18:06:23,367 INFO L288 CegarLoopForPetriNet]: 78 programPoint places, 2 predicate places. [2022-12-13 18:06:23,367 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 96 transitions, 343 flow [2022-12-13 18:06:23,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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 18:06:23,367 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:06:23,367 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:06:23,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:06:23,368 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-12-13 18:06:23,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:06:23,368 INFO L85 PathProgramCache]: Analyzing trace with hash -375695411, now seen corresponding path program 1 times [2022-12-13 18:06:23,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:06:23,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523822303] [2022-12-13 18:06:23,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:06:23,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:06:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:06:23,405 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 18:06:23,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:06:23,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523822303] [2022-12-13 18:06:23,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523822303] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:06:23,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:06:23,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:06:23,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669718081] [2022-12-13 18:06:23,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:06:23,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:06:23,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:06:23,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:06:23,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:06:23,429 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 310 [2022-12-13 18:06:23,430 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 96 transitions, 343 flow. Second operand has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 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 18:06:23,430 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:06:23,430 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 310 [2022-12-13 18:06:23,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:06:23,696 INFO L130 PetriNetUnfolder]: 1036/2745 cut-off events. [2022-12-13 18:06:23,696 INFO L131 PetriNetUnfolder]: For 843/875 co-relation queries the response was YES. [2022-12-13 18:06:23,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6280 conditions, 2745 events. 1036/2745 cut-off events. For 843/875 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 18718 event pairs, 686 based on Foata normal form. 2/2494 useless extension candidates. Maximal degree in co-relation 6268. Up to 1973 conditions per place. [2022-12-13 18:06:23,705 INFO L137 encePairwiseOnDemand]: 303/310 looper letters, 86 selfloop transitions, 9 changer transitions 0/122 dead transitions. [2022-12-13 18:06:23,705 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 122 transitions, 626 flow [2022-12-13 18:06:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:06:23,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:06:23,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 575 transitions. [2022-12-13 18:06:23,707 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6182795698924731 [2022-12-13 18:06:23,707 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 575 transitions. [2022-12-13 18:06:23,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 575 transitions. [2022-12-13 18:06:23,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:06:23,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 575 transitions. [2022-12-13 18:06:23,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 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 18:06:23,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 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 18:06:23,710 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 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 18:06:23,710 INFO L175 Difference]: Start difference. First operand has 80 places, 96 transitions, 343 flow. Second operand 3 states and 575 transitions. [2022-12-13 18:06:23,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 122 transitions, 626 flow [2022-12-13 18:06:23,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 122 transitions, 608 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 18:06:23,713 INFO L231 Difference]: Finished difference. Result has 83 places, 104 transitions, 420 flow [2022-12-13 18:06:23,713 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=83, PETRI_TRANSITIONS=104} [2022-12-13 18:06:23,713 INFO L288 CegarLoopForPetriNet]: 78 programPoint places, 5 predicate places. [2022-12-13 18:06:23,713 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 104 transitions, 420 flow [2022-12-13 18:06:23,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 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 18:06:23,714 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:06:23,714 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:06:23,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 18:06:23,714 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-12-13 18:06:23,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:06:23,714 INFO L85 PathProgramCache]: Analyzing trace with hash -57626389, now seen corresponding path program 1 times [2022-12-13 18:06:23,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:06:23,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458637684] [2022-12-13 18:06:23,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:06:23,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:06:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:06:23,744 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 18:06:23,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:06:23,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458637684] [2022-12-13 18:06:23,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458637684] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:06:23,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:06:23,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:06:23,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058900784] [2022-12-13 18:06:23,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:06:23,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:06:23,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:06:23,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:06:23,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:06:23,758 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 310 [2022-12-13 18:06:23,759 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 104 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 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 18:06:23,760 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:06:23,760 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 310 [2022-12-13 18:06:23,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:06:24,072 INFO L130 PetriNetUnfolder]: 1252/3016 cut-off events. [2022-12-13 18:06:24,072 INFO L131 PetriNetUnfolder]: For 1410/1493 co-relation queries the response was YES. [2022-12-13 18:06:24,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7320 conditions, 3016 events. 1252/3016 cut-off events. For 1410/1493 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 19660 event pairs, 466 based on Foata normal form. 18/2831 useless extension candidates. Maximal degree in co-relation 7307. Up to 1393 conditions per place. [2022-12-13 18:06:24,081 INFO L137 encePairwiseOnDemand]: 301/310 looper letters, 112 selfloop transitions, 6 changer transitions 4/152 dead transitions. [2022-12-13 18:06:24,082 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 152 transitions, 838 flow [2022-12-13 18:06:24,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:06:24,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:06:24,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 597 transitions. [2022-12-13 18:06:24,083 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6419354838709678 [2022-12-13 18:06:24,083 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 597 transitions. [2022-12-13 18:06:24,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 597 transitions. [2022-12-13 18:06:24,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:06:24,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 597 transitions. [2022-12-13 18:06:24,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 199.0) internal successors, (597), 3 states have internal predecessors, (597), 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 18:06:24,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 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 18:06:24,086 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 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 18:06:24,086 INFO L175 Difference]: Start difference. First operand has 83 places, 104 transitions, 420 flow. Second operand 3 states and 597 transitions. [2022-12-13 18:06:24,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 152 transitions, 838 flow [2022-12-13 18:06:24,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 152 transitions, 806 flow, removed 4 selfloop flow, removed 2 redundant places. [2022-12-13 18:06:24,090 INFO L231 Difference]: Finished difference. Result has 83 places, 104 transitions, 424 flow [2022-12-13 18:06:24,090 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=424, PETRI_PLACES=83, PETRI_TRANSITIONS=104} [2022-12-13 18:06:24,090 INFO L288 CegarLoopForPetriNet]: 78 programPoint places, 5 predicate places. [2022-12-13 18:06:24,090 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 104 transitions, 424 flow [2022-12-13 18:06:24,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 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 18:06:24,091 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:06:24,091 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 18:06:24,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 18:06:24,091 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-12-13 18:06:24,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:06:24,091 INFO L85 PathProgramCache]: Analyzing trace with hash -78574772, now seen corresponding path program 1 times [2022-12-13 18:06:24,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:06:24,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348780294] [2022-12-13 18:06:24,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:06:24,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:06:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:06:24,197 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 18:06:24,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:06:24,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348780294] [2022-12-13 18:06:24,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348780294] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:06:24,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:06:24,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:06:24,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536937770] [2022-12-13 18:06:24,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:06:24,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:06:24,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:06:24,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:06:24,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:06:24,265 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 310 [2022-12-13 18:06:24,266 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 104 transitions, 424 flow. Second operand has 4 states, 4 states have (on average 174.25) internal successors, (697), 4 states have internal predecessors, (697), 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 18:06:24,266 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:06:24,266 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 310 [2022-12-13 18:06:24,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:06:24,467 INFO L130 PetriNetUnfolder]: 507/1395 cut-off events. [2022-12-13 18:06:24,467 INFO L131 PetriNetUnfolder]: For 752/779 co-relation queries the response was YES. [2022-12-13 18:06:24,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3553 conditions, 1395 events. 507/1395 cut-off events. For 752/779 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 8294 event pairs, 313 based on Foata normal form. 18/1322 useless extension candidates. Maximal degree in co-relation 3539. Up to 615 conditions per place. [2022-12-13 18:06:24,472 INFO L137 encePairwiseOnDemand]: 303/310 looper letters, 87 selfloop transitions, 8 changer transitions 12/133 dead transitions. [2022-12-13 18:06:24,472 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 133 transitions, 712 flow [2022-12-13 18:06:24,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:06:24,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 18:06:24,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 772 transitions. [2022-12-13 18:06:24,474 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6225806451612903 [2022-12-13 18:06:24,474 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 772 transitions. [2022-12-13 18:06:24,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 772 transitions. [2022-12-13 18:06:24,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:06:24,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 772 transitions. [2022-12-13 18:06:24,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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 18:06:24,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 310.0) internal successors, (1550), 5 states have internal predecessors, (1550), 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 18:06:24,477 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 310.0) internal successors, (1550), 5 states have internal predecessors, (1550), 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 18:06:24,477 INFO L175 Difference]: Start difference. First operand has 83 places, 104 transitions, 424 flow. Second operand 4 states and 772 transitions. [2022-12-13 18:06:24,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 133 transitions, 712 flow [2022-12-13 18:06:24,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 133 transitions, 684 flow, removed 6 selfloop flow, removed 2 redundant places. [2022-12-13 18:06:24,480 INFO L231 Difference]: Finished difference. Result has 83 places, 89 transitions, 349 flow [2022-12-13 18:06:24,480 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=349, PETRI_PLACES=83, PETRI_TRANSITIONS=89} [2022-12-13 18:06:24,481 INFO L288 CegarLoopForPetriNet]: 78 programPoint places, 5 predicate places. [2022-12-13 18:06:24,481 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 89 transitions, 349 flow [2022-12-13 18:06:24,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 174.25) internal successors, (697), 4 states have internal predecessors, (697), 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 18:06:24,481 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:06:24,481 INFO L209 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] [2022-12-13 18:06:24,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 18:06:24,482 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-12-13 18:06:24,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:06:24,482 INFO L85 PathProgramCache]: Analyzing trace with hash -244435963, now seen corresponding path program 1 times [2022-12-13 18:06:24,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:06:24,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355339818] [2022-12-13 18:06:24,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:06:24,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:06:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:06:24,506 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 18:06:24,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:06:24,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355339818] [2022-12-13 18:06:24,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355339818] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:06:24,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:06:24,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:06:24,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902137074] [2022-12-13 18:06:24,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:06:24,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:06:24,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:06:24,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:06:24,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:06:24,524 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 310 [2022-12-13 18:06:24,525 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 89 transitions, 349 flow. Second operand has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:06:24,525 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:06:24,525 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 310 [2022-12-13 18:06:24,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:06:24,727 INFO L130 PetriNetUnfolder]: 578/1500 cut-off events. [2022-12-13 18:06:24,728 INFO L131 PetriNetUnfolder]: For 842/870 co-relation queries the response was YES. [2022-12-13 18:06:24,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3968 conditions, 1500 events. 578/1500 cut-off events. For 842/870 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 8761 event pairs, 404 based on Foata normal form. 4/1386 useless extension candidates. Maximal degree in co-relation 3952. Up to 1147 conditions per place. [2022-12-13 18:06:24,732 INFO L137 encePairwiseOnDemand]: 305/310 looper letters, 85 selfloop transitions, 5 changer transitions 0/112 dead transitions. [2022-12-13 18:06:24,733 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 112 transitions, 612 flow [2022-12-13 18:06:24,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:06:24,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:06:24,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 579 transitions. [2022-12-13 18:06:24,734 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6225806451612903 [2022-12-13 18:06:24,734 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 579 transitions. [2022-12-13 18:06:24,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 579 transitions. [2022-12-13 18:06:24,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:06:24,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 579 transitions. [2022-12-13 18:06:24,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 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 18:06:24,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 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 18:06:24,736 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 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 18:06:24,736 INFO L175 Difference]: Start difference. First operand has 83 places, 89 transitions, 349 flow. Second operand 3 states and 579 transitions. [2022-12-13 18:06:24,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 112 transitions, 612 flow [2022-12-13 18:06:24,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 112 transitions, 611 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 18:06:24,739 INFO L231 Difference]: Finished difference. Result has 86 places, 92 transitions, 386 flow [2022-12-13 18:06:24,739 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=386, PETRI_PLACES=86, PETRI_TRANSITIONS=92} [2022-12-13 18:06:24,740 INFO L288 CegarLoopForPetriNet]: 78 programPoint places, 8 predicate places. [2022-12-13 18:06:24,740 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 92 transitions, 386 flow [2022-12-13 18:06:24,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:06:24,740 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:06:24,740 INFO L209 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] [2022-12-13 18:06:24,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 18:06:24,740 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-12-13 18:06:24,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:06:24,741 INFO L85 PathProgramCache]: Analyzing trace with hash 2124628335, now seen corresponding path program 1 times [2022-12-13 18:06:24,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:06:24,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284012886] [2022-12-13 18:06:24,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:06:24,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:06:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:06:24,836 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 18:06:24,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:06:24,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284012886] [2022-12-13 18:06:24,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284012886] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:06:24,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:06:24,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:06:24,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585237228] [2022-12-13 18:06:24,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:06:24,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:06:24,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:06:24,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:06:24,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:06:24,907 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 310 [2022-12-13 18:06:24,908 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 92 transitions, 386 flow. Second operand has 5 states, 5 states have (on average 161.2) internal successors, (806), 5 states have internal predecessors, (806), 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 18:06:24,908 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:06:24,908 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 310 [2022-12-13 18:06:24,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:06:25,067 INFO L130 PetriNetUnfolder]: 217/827 cut-off events. [2022-12-13 18:06:25,067 INFO L131 PetriNetUnfolder]: For 618/618 co-relation queries the response was YES. [2022-12-13 18:06:25,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2378 conditions, 827 events. 217/827 cut-off events. For 618/618 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4584 event pairs, 69 based on Foata normal form. 98/889 useless extension candidates. Maximal degree in co-relation 2361. Up to 432 conditions per place. [2022-12-13 18:06:25,070 INFO L137 encePairwiseOnDemand]: 291/310 looper letters, 51 selfloop transitions, 21 changer transitions 17/106 dead transitions. [2022-12-13 18:06:25,070 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 106 transitions, 621 flow [2022-12-13 18:06:25,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:06:25,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 18:06:25,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 711 transitions. [2022-12-13 18:06:25,071 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5733870967741935 [2022-12-13 18:06:25,071 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 711 transitions. [2022-12-13 18:06:25,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 711 transitions. [2022-12-13 18:06:25,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:06:25,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 711 transitions. [2022-12-13 18:06:25,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 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 18:06:25,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 310.0) internal successors, (1550), 5 states have internal predecessors, (1550), 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 18:06:25,074 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 310.0) internal successors, (1550), 5 states have internal predecessors, (1550), 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 18:06:25,074 INFO L175 Difference]: Start difference. First operand has 86 places, 92 transitions, 386 flow. Second operand 4 states and 711 transitions. [2022-12-13 18:06:25,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 106 transitions, 621 flow [2022-12-13 18:06:25,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 106 transitions, 559 flow, removed 16 selfloop flow, removed 8 redundant places. [2022-12-13 18:06:25,077 INFO L231 Difference]: Finished difference. Result has 77 places, 72 transitions, 316 flow [2022-12-13 18:06:25,077 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=316, PETRI_PLACES=77, PETRI_TRANSITIONS=72} [2022-12-13 18:06:25,078 INFO L288 CegarLoopForPetriNet]: 78 programPoint places, -1 predicate places. [2022-12-13 18:06:25,078 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 72 transitions, 316 flow [2022-12-13 18:06:25,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 161.2) internal successors, (806), 5 states have internal predecessors, (806), 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 18:06:25,078 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:06:25,078 INFO L209 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] [2022-12-13 18:06:25,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 18:06:25,078 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-12-13 18:06:25,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:06:25,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1372619259, now seen corresponding path program 1 times [2022-12-13 18:06:25,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:06:25,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282595136] [2022-12-13 18:06:25,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:06:25,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:06:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:06:25,102 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 18:06:25,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:06:25,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282595136] [2022-12-13 18:06:25,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282595136] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:06:25,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:06:25,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:06:25,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484825676] [2022-12-13 18:06:25,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:06:25,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:06:25,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:06:25,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:06:25,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:06:25,123 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 310 [2022-12-13 18:06:25,124 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 72 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 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 18:06:25,124 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:06:25,124 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 310 [2022-12-13 18:06:25,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:06:25,230 INFO L130 PetriNetUnfolder]: 164/611 cut-off events. [2022-12-13 18:06:25,230 INFO L131 PetriNetUnfolder]: For 444/447 co-relation queries the response was YES. [2022-12-13 18:06:25,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1766 conditions, 611 events. 164/611 cut-off events. For 444/447 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2980 event pairs, 121 based on Foata normal form. 19/604 useless extension candidates. Maximal degree in co-relation 1750. Up to 489 conditions per place. [2022-12-13 18:06:25,232 INFO L137 encePairwiseOnDemand]: 308/310 looper letters, 0 selfloop transitions, 0 changer transitions 79/79 dead transitions. [2022-12-13 18:06:25,232 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 79 transitions, 472 flow [2022-12-13 18:06:25,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:06:25,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:06:25,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 562 transitions. [2022-12-13 18:06:25,235 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6043010752688172 [2022-12-13 18:06:25,235 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 562 transitions. [2022-12-13 18:06:25,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 562 transitions. [2022-12-13 18:06:25,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:06:25,235 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 562 transitions. [2022-12-13 18:06:25,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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 18:06:25,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 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 18:06:25,237 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 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 18:06:25,237 INFO L175 Difference]: Start difference. First operand has 77 places, 72 transitions, 316 flow. Second operand 3 states and 562 transitions. [2022-12-13 18:06:25,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 79 transitions, 472 flow [2022-12-13 18:06:25,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 79 transitions, 467 flow, removed 2 selfloop flow, removed 1 redundant places. [2022-12-13 18:06:25,239 INFO L231 Difference]: Finished difference. Result has 73 places, 0 transitions, 0 flow [2022-12-13 18:06:25,239 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=309, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=73, PETRI_TRANSITIONS=0} [2022-12-13 18:06:25,239 INFO L288 CegarLoopForPetriNet]: 78 programPoint places, -5 predicate places. [2022-12-13 18:06:25,240 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 0 transitions, 0 flow [2022-12-13 18:06:25,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 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 18:06:25,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2022-12-13 18:06:25,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2022-12-13 18:06:25,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2022-12-13 18:06:25,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2022-12-13 18:06:25,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2022-12-13 18:06:25,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 22 remaining) [2022-12-13 18:06:25,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2022-12-13 18:06:25,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2022-12-13 18:06:25,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2022-12-13 18:06:25,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2022-12-13 18:06:25,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2022-12-13 18:06:25,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2022-12-13 18:06:25,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining) [2022-12-13 18:06:25,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining) [2022-12-13 18:06:25,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2022-12-13 18:06:25,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2022-12-13 18:06:25,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2022-12-13 18:06:25,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2022-12-13 18:06:25,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2022-12-13 18:06:25,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2022-12-13 18:06:25,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2022-12-13 18:06:25,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2022-12-13 18:06:25,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 18:06:25,244 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:06:25,248 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 18:06:25,248 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:06:25,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:06:25 BasicIcfg [2022-12-13 18:06:25,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:06:25,251 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:06:25,251 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:06:25,251 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:06:25,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:06:18" (3/4) ... [2022-12-13 18:06:25,253 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:06:25,257 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-12-13 18:06:25,260 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-12-13 18:06:25,261 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 18:06:25,261 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 18:06:25,261 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:06:25,285 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11208980-056d-4b8a-8054-a53994e4fa97/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:06:25,286 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:06:25,286 INFO L158 Benchmark]: Toolchain (without parser) took 7188.66ms. Allocated memory was 119.5MB in the beginning and 209.7MB in the end (delta: 90.2MB). Free memory was 85.5MB in the beginning and 55.8MB in the end (delta: 29.6MB). Peak memory consumption was 123.0MB. Max. memory is 16.1GB. [2022-12-13 18:06:25,286 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:06:25,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.39ms. Allocated memory is still 119.5MB. Free memory was 85.2MB in the beginning and 65.3MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 18:06:25,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.86ms. Allocated memory is still 119.5MB. Free memory was 65.3MB in the beginning and 63.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:06:25,287 INFO L158 Benchmark]: Boogie Preprocessor took 18.10ms. Allocated memory is still 119.5MB. Free memory was 63.2MB in the beginning and 61.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:06:25,287 INFO L158 Benchmark]: RCFGBuilder took 390.68ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 61.4MB in the beginning and 104.7MB in the end (delta: -43.3MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2022-12-13 18:06:25,287 INFO L158 Benchmark]: TraceAbstraction took 6414.89ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 103.6MB in the beginning and 59.0MB in the end (delta: 44.6MB). Peak memory consumption was 109.2MB. Max. memory is 16.1GB. [2022-12-13 18:06:25,287 INFO L158 Benchmark]: Witness Printer took 35.12ms. Allocated memory is still 209.7MB. Free memory was 59.0MB in the beginning and 55.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:06:25,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.39ms. Allocated memory is still 119.5MB. Free memory was 85.2MB in the beginning and 65.3MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.86ms. Allocated memory is still 119.5MB. Free memory was 65.3MB in the beginning and 63.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.10ms. Allocated memory is still 119.5MB. Free memory was 63.2MB in the beginning and 61.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 390.68ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 61.4MB in the beginning and 104.7MB in the end (delta: -43.3MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6414.89ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 103.6MB in the beginning and 59.0MB in the end (delta: 44.6MB). Peak memory consumption was 109.2MB. Max. memory is 16.1GB. * Witness Printer took 35.12ms. Allocated memory is still 209.7MB. Free memory was 59.0MB in the beginning and 55.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.0s, 180 PlacesBefore, 78 PlacesAfterwards, 180 TransitionsBefore, 77 TransitionsAfterwards, 9750 CoEnabledTransitionPairs, 7 FixpointIterations, 38 TrivialSequentialCompositions, 68 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 1 ChoiceCompositions, 121 TotalNumberOfCompositions, 45920 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11859, independent: 10856, independent conditional: 0, independent unconditional: 10856, dependent: 1003, dependent conditional: 0, dependent unconditional: 1003, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4847, independent: 4716, independent conditional: 0, independent unconditional: 4716, dependent: 131, dependent conditional: 0, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11859, independent: 6140, independent conditional: 0, independent unconditional: 6140, dependent: 872, dependent conditional: 0, dependent unconditional: 872, unknown: 4847, unknown conditional: 0, unknown unconditional: 4847] , Statistics on independence cache: Total cache size (in pairs): 569, Positive cache size: 493, Positive conditional cache size: 0, Positive unconditional cache size: 493, Negative cache size: 76, Negative conditional cache size: 0, Negative unconditional cache size: 76, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: 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, 253 locations, 22 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: 6.3s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 754 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 456 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 149 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1368 IncrementalHoareTripleChecker+Invalid, 1517 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 149 mSolverCounterUnsat, 45 mSDtfsCounter, 1368 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=424occurred in iteration=5, InterpolantAutomatonStates: 29, 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, 0.4s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 333 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 13 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 18:06:25,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11208980-056d-4b8a-8054-a53994e4fa97/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 Result: TRUE