./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-3.wvr.c --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_7f73278f-8d84-449f-9e57-d8eaa83c62f7/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f73278f-8d84-449f-9e57-d8eaa83c62f7/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_7f73278f-8d84-449f-9e57-d8eaa83c62f7/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f73278f-8d84-449f-9e57-d8eaa83c62f7/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f73278f-8d84-449f-9e57-d8eaa83c62f7/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_7f73278f-8d84-449f-9e57-d8eaa83c62f7/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 199b95a7803e428766b942c5c5c486b02a8ea32baf687cdef6ce754bef283884 --- 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 12:15:45,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:15:45,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:15:45,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:15:45,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:15:45,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:15:45,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:15:45,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:15:45,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:15:45,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:15:45,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:15:45,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:15:45,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:15:45,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:15:45,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:15:45,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:15:45,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:15:45,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:15:45,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:15:45,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:15:45,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:15:45,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:15:45,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:15:45,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:15:45,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:15:45,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:15:45,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:15:45,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:15:45,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:15:45,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:15:45,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:15:45,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:15:45,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:15:45,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:15:45,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:15:45,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:15:45,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:15:45,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:15:45,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:15:45,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:15:45,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:15:45,090 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f73278f-8d84-449f-9e57-d8eaa83c62f7/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 12:15:45,106 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:15:45,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:15:45,110 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:15:45,110 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:15:45,111 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:15:45,111 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:15:45,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:15:45,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:15:45,112 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:15:45,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:15:45,112 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:15:45,112 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:15:45,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:15:45,113 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:15:45,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:15:45,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:15:45,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:15:45,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:15:45,113 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 12:15:45,113 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:15:45,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:15:45,114 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:15:45,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:15:45,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:15:45,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:15:45,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:15:45,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:15:45,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:15:45,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:15:45,115 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:15:45,115 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:15:45,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:15:45,116 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:15:45,116 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:15:45,116 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:15:45,116 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:15:45,116 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:15:45,116 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_7f73278f-8d84-449f-9e57-d8eaa83c62f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f73278f-8d84-449f-9e57-d8eaa83c62f7/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 199b95a7803e428766b942c5c5c486b02a8ea32baf687cdef6ce754bef283884 [2022-12-13 12:15:45,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:15:45,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:15:45,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:15:45,330 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:15:45,330 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:15:45,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f73278f-8d84-449f-9e57-d8eaa83c62f7/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/unroll-3.wvr.c [2022-12-13 12:15:47,933 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:15:48,069 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:15:48,069 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f73278f-8d84-449f-9e57-d8eaa83c62f7/sv-benchmarks/c/weaver/unroll-3.wvr.c [2022-12-13 12:15:48,075 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f73278f-8d84-449f-9e57-d8eaa83c62f7/bin/uautomizer-uyxdKDjOR8/data/b7e98dcbc/d910a1537e7348079ce36020334727f2/FLAGe4e38bf4e [2022-12-13 12:15:48,087 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f73278f-8d84-449f-9e57-d8eaa83c62f7/bin/uautomizer-uyxdKDjOR8/data/b7e98dcbc/d910a1537e7348079ce36020334727f2 [2022-12-13 12:15:48,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:15:48,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:15:48,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:15:48,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:15:48,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:15:48,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:15:48" (1/1) ... [2022-12-13 12:15:48,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be48563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:48, skipping insertion in model container [2022-12-13 12:15:48,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:15:48" (1/1) ... [2022-12-13 12:15:48,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:15:48,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:15:48,254 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_7f73278f-8d84-449f-9e57-d8eaa83c62f7/sv-benchmarks/c/weaver/unroll-3.wvr.c[2500,2513] [2022-12-13 12:15:48,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:15:48,269 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:15:48,296 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_7f73278f-8d84-449f-9e57-d8eaa83c62f7/sv-benchmarks/c/weaver/unroll-3.wvr.c[2500,2513] [2022-12-13 12:15:48,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:15:48,312 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:15:48,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:48 WrapperNode [2022-12-13 12:15:48,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:15:48,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:15:48,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:15:48,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:15:48,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:48" (1/1) ... [2022-12-13 12:15:48,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:48" (1/1) ... [2022-12-13 12:15:48,355 INFO L138 Inliner]: procedures = 24, calls = 34, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 279 [2022-12-13 12:15:48,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:15:48,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:15:48,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:15:48,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:15:48,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:48" (1/1) ... [2022-12-13 12:15:48,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:48" (1/1) ... [2022-12-13 12:15:48,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:48" (1/1) ... [2022-12-13 12:15:48,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:48" (1/1) ... [2022-12-13 12:15:48,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:48" (1/1) ... [2022-12-13 12:15:48,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:48" (1/1) ... [2022-12-13 12:15:48,383 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:48" (1/1) ... [2022-12-13 12:15:48,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:48" (1/1) ... [2022-12-13 12:15:48,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:15:48,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:15:48,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:15:48,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:15:48,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:48" (1/1) ... [2022-12-13 12:15:48,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:15:48,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f73278f-8d84-449f-9e57-d8eaa83c62f7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:15:48,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f73278f-8d84-449f-9e57-d8eaa83c62f7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:15:48,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f73278f-8d84-449f-9e57-d8eaa83c62f7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:15:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:15:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 12:15:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 12:15:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 12:15:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 12:15:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:15:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:15:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:15:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 12:15:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:15:48,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:15:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:15:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:15:48,447 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 12:15:48,531 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:15:48,532 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:15:48,906 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:15:48,914 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:15:48,914 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-13 12:15:48,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:15:48 BoogieIcfgContainer [2022-12-13 12:15:48,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:15:48,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:15:48,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:15:48,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:15:48,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:15:48" (1/3) ... [2022-12-13 12:15:48,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1e8f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:15:48, skipping insertion in model container [2022-12-13 12:15:48,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:15:48" (2/3) ... [2022-12-13 12:15:48,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1e8f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:15:48, skipping insertion in model container [2022-12-13 12:15:48,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:15:48" (3/3) ... [2022-12-13 12:15:48,922 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.c [2022-12-13 12:15:48,929 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 12:15:48,936 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:15:48,936 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2022-12-13 12:15:48,937 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 12:15:49,007 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 12:15:49,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 352 places, 364 transitions, 744 flow [2022-12-13 12:15:49,174 INFO L130 PetriNetUnfolder]: 19/362 cut-off events. [2022-12-13 12:15:49,174 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 12:15:49,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 362 events. 19/362 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 525 event pairs, 0 based on Foata normal form. 0/302 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place. [2022-12-13 12:15:49,181 INFO L82 GeneralOperation]: Start removeDead. Operand has 352 places, 364 transitions, 744 flow [2022-12-13 12:15:49,187 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 333 places, 344 transitions, 700 flow [2022-12-13 12:15:49,190 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 12:15:49,198 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 333 places, 344 transitions, 700 flow [2022-12-13 12:15:49,201 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 333 places, 344 transitions, 700 flow [2022-12-13 12:15:49,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 333 places, 344 transitions, 700 flow [2022-12-13 12:15:49,254 INFO L130 PetriNetUnfolder]: 18/344 cut-off events. [2022-12-13 12:15:49,254 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 12:15:49,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 353 conditions, 344 events. 18/344 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 470 event pairs, 0 based on Foata normal form. 0/286 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place. [2022-12-13 12:15:49,263 INFO L119 LiptonReduction]: Number of co-enabled transitions 22356 [2022-12-13 12:15:55,242 INFO L134 LiptonReduction]: Checked pairs total: 83672 [2022-12-13 12:15:55,242 INFO L136 LiptonReduction]: Total number of compositions: 361 [2022-12-13 12:15:55,257 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:15:55,263 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;@49620985, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:15:55,263 INFO L358 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2022-12-13 12:15:55,264 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 12:15:55,264 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:15:55,264 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:15:55,265 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 12:15:55,265 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-12-13 12:15:55,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:15:55,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1382, now seen corresponding path program 1 times [2022-12-13 12:15:55,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:15:55,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803223404] [2022-12-13 12:15:55,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:15:55,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:15:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:55,355 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 12:15:55,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:15:55,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803223404] [2022-12-13 12:15:55,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803223404] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:15:55,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:15:55,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 12:15:55,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147108847] [2022-12-13 12:15:55,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:15:55,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 12:15:55,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:15:55,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 12:15:55,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 12:15:55,395 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 725 [2022-12-13 12:15:55,399 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 110 transitions, 232 flow. Second operand has 2 states, 2 states have (on average 347.5) internal successors, (695), 2 states have internal predecessors, (695), 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 12:15:55,399 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:15:55,399 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 725 [2022-12-13 12:15:55,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:15:55,614 INFO L130 PetriNetUnfolder]: 821/1871 cut-off events. [2022-12-13 12:15:55,614 INFO L131 PetriNetUnfolder]: For 71/71 co-relation queries the response was YES. [2022-12-13 12:15:55,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3174 conditions, 1871 events. 821/1871 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 11764 event pairs, 554 based on Foata normal form. 214/1773 useless extension candidates. Maximal degree in co-relation 2873. Up to 1258 conditions per place. [2022-12-13 12:15:55,624 INFO L137 encePairwiseOnDemand]: 697/725 looper letters, 40 selfloop transitions, 0 changer transitions 1/82 dead transitions. [2022-12-13 12:15:55,624 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 82 transitions, 258 flow [2022-12-13 12:15:55,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 12:15:55,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 12:15:55,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 763 transitions. [2022-12-13 12:15:55,637 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5262068965517241 [2022-12-13 12:15:55,638 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 763 transitions. [2022-12-13 12:15:55,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 763 transitions. [2022-12-13 12:15:55,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:15:55,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 763 transitions. [2022-12-13 12:15:55,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 381.5) internal successors, (763), 2 states have internal predecessors, (763), 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 12:15:55,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 725.0) internal successors, (2175), 3 states have internal predecessors, (2175), 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 12:15:55,659 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 725.0) internal successors, (2175), 3 states have internal predecessors, (2175), 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 12:15:55,661 INFO L175 Difference]: Start difference. First operand has 108 places, 110 transitions, 232 flow. Second operand 2 states and 763 transitions. [2022-12-13 12:15:55,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 82 transitions, 258 flow [2022-12-13 12:15:55,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 82 transitions, 250 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 12:15:55,667 INFO L231 Difference]: Finished difference. Result has 80 places, 81 transitions, 165 flow [2022-12-13 12:15:55,668 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=725, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=165, PETRI_PLACES=80, PETRI_TRANSITIONS=81} [2022-12-13 12:15:55,671 INFO L288 CegarLoopForPetriNet]: 108 programPoint places, -28 predicate places. [2022-12-13 12:15:55,671 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 81 transitions, 165 flow [2022-12-13 12:15:55,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 347.5) internal successors, (695), 2 states have internal predecessors, (695), 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 12:15:55,672 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:15:55,672 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 12:15:55,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:15:55,672 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-12-13 12:15:55,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:15:55,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1576591527, now seen corresponding path program 1 times [2022-12-13 12:15:55,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:15:55,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666769632] [2022-12-13 12:15:55,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:15:55,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:15:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:55,766 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 12:15:55,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:15:55,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666769632] [2022-12-13 12:15:55,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666769632] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:15:55,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:15:55,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:15:55,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485798528] [2022-12-13 12:15:55,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:15:55,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:15:55,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:15:55,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:15:55,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:15:55,785 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 337 out of 725 [2022-12-13 12:15:55,786 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 81 transitions, 165 flow. Second operand has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 3 states have internal predecessors, (1016), 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 12:15:55,786 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:15:55,786 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 337 of 725 [2022-12-13 12:15:55,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:15:55,968 INFO L130 PetriNetUnfolder]: 809/1877 cut-off events. [2022-12-13 12:15:55,968 INFO L131 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2022-12-13 12:15:55,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3203 conditions, 1877 events. 809/1877 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 11518 event pairs, 650 based on Foata normal form. 0/1680 useless extension candidates. Maximal degree in co-relation 3200. Up to 1310 conditions per place. [2022-12-13 12:15:55,976 INFO L137 encePairwiseOnDemand]: 722/725 looper letters, 41 selfloop transitions, 1 changer transitions 0/79 dead transitions. [2022-12-13 12:15:55,976 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 79 transitions, 245 flow [2022-12-13 12:15:55,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:15:55,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:15:55,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1055 transitions. [2022-12-13 12:15:55,978 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4850574712643678 [2022-12-13 12:15:55,978 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1055 transitions. [2022-12-13 12:15:55,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1055 transitions. [2022-12-13 12:15:55,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:15:55,979 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1055 transitions. [2022-12-13 12:15:55,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 351.6666666666667) internal successors, (1055), 3 states have internal predecessors, (1055), 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 12:15:55,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 725.0) internal successors, (2900), 4 states have internal predecessors, (2900), 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 12:15:55,985 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 725.0) internal successors, (2900), 4 states have internal predecessors, (2900), 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 12:15:55,985 INFO L175 Difference]: Start difference. First operand has 80 places, 81 transitions, 165 flow. Second operand 3 states and 1055 transitions. [2022-12-13 12:15:55,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 79 transitions, 245 flow [2022-12-13 12:15:55,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 79 transitions, 245 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 12:15:55,986 INFO L231 Difference]: Finished difference. Result has 79 places, 79 transitions, 163 flow [2022-12-13 12:15:55,987 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=725, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=163, PETRI_PLACES=79, PETRI_TRANSITIONS=79} [2022-12-13 12:15:55,987 INFO L288 CegarLoopForPetriNet]: 108 programPoint places, -29 predicate places. [2022-12-13 12:15:55,987 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 79 transitions, 163 flow [2022-12-13 12:15:55,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 3 states have internal predecessors, (1016), 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 12:15:55,988 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:15:55,988 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:15:55,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:15:55,988 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-12-13 12:15:55,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:15:55,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1019368947, now seen corresponding path program 1 times [2022-12-13 12:15:55,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:15:55,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347537079] [2022-12-13 12:15:55,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:15:55,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:15:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:56,052 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 12:15:56,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:15:56,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347537079] [2022-12-13 12:15:56,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347537079] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:15:56,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:15:56,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:15:56,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340772977] [2022-12-13 12:15:56,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:15:56,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:15:56,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:15:56,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:15:56,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:15:56,072 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 725 [2022-12-13 12:15:56,074 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 79 transitions, 163 flow. Second operand has 3 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 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 12:15:56,074 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:15:56,074 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 725 [2022-12-13 12:15:56,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:15:56,227 INFO L130 PetriNetUnfolder]: 821/1771 cut-off events. [2022-12-13 12:15:56,227 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2022-12-13 12:15:56,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3042 conditions, 1771 events. 821/1771 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 10668 event pairs, 554 based on Foata normal form. 0/1460 useless extension candidates. Maximal degree in co-relation 3038. Up to 1256 conditions per place. [2022-12-13 12:15:56,233 INFO L137 encePairwiseOnDemand]: 720/725 looper letters, 39 selfloop transitions, 1 changer transitions 0/75 dead transitions. [2022-12-13 12:15:56,234 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 75 transitions, 235 flow [2022-12-13 12:15:56,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:15:56,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:15:56,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1028 transitions. [2022-12-13 12:15:56,236 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.47264367816091957 [2022-12-13 12:15:56,236 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1028 transitions. [2022-12-13 12:15:56,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1028 transitions. [2022-12-13 12:15:56,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:15:56,236 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1028 transitions. [2022-12-13 12:15:56,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 342.6666666666667) internal successors, (1028), 3 states have internal predecessors, (1028), 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 12:15:56,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 725.0) internal successors, (2900), 4 states have internal predecessors, (2900), 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 12:15:56,241 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 725.0) internal successors, (2900), 4 states have internal predecessors, (2900), 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 12:15:56,241 INFO L175 Difference]: Start difference. First operand has 79 places, 79 transitions, 163 flow. Second operand 3 states and 1028 transitions. [2022-12-13 12:15:56,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 75 transitions, 235 flow [2022-12-13 12:15:56,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 75 transitions, 234 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 12:15:56,242 INFO L231 Difference]: Finished difference. Result has 76 places, 75 transitions, 156 flow [2022-12-13 12:15:56,242 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=725, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=76, PETRI_TRANSITIONS=75} [2022-12-13 12:15:56,243 INFO L288 CegarLoopForPetriNet]: 108 programPoint places, -32 predicate places. [2022-12-13 12:15:56,243 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 75 transitions, 156 flow [2022-12-13 12:15:56,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 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 12:15:56,244 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:15:56,244 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:15:56,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 12:15:56,244 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-12-13 12:15:56,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:15:56,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1019532141, now seen corresponding path program 1 times [2022-12-13 12:15:56,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:15:56,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463565330] [2022-12-13 12:15:56,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:15:56,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:15:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:56,313 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 12:15:56,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:15:56,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463565330] [2022-12-13 12:15:56,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463565330] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:15:56,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:15:56,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:15:56,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551894580] [2022-12-13 12:15:56,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:15:56,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:15:56,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:15:56,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:15:56,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:15:56,331 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 345 out of 725 [2022-12-13 12:15:56,333 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 75 transitions, 156 flow. Second operand has 3 states, 3 states have (on average 346.6666666666667) internal successors, (1040), 3 states have internal predecessors, (1040), 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 12:15:56,333 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:15:56,333 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 345 of 725 [2022-12-13 12:15:56,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:15:56,627 INFO L130 PetriNetUnfolder]: 1302/2981 cut-off events. [2022-12-13 12:15:56,627 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2022-12-13 12:15:56,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5093 conditions, 2981 events. 1302/2981 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 20136 event pairs, 495 based on Foata normal form. 0/2620 useless extension candidates. Maximal degree in co-relation 5089. Up to 1117 conditions per place. [2022-12-13 12:15:56,642 INFO L137 encePairwiseOnDemand]: 722/725 looper letters, 73 selfloop transitions, 2 changer transitions 0/110 dead transitions. [2022-12-13 12:15:56,642 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 110 transitions, 378 flow [2022-12-13 12:15:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:15:56,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:15:56,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1111 transitions. [2022-12-13 12:15:56,644 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5108045977011494 [2022-12-13 12:15:56,644 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1111 transitions. [2022-12-13 12:15:56,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1111 transitions. [2022-12-13 12:15:56,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:15:56,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1111 transitions. [2022-12-13 12:15:56,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 12:15:56,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 725.0) internal successors, (2900), 4 states have internal predecessors, (2900), 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 12:15:56,653 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 725.0) internal successors, (2900), 4 states have internal predecessors, (2900), 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 12:15:56,653 INFO L175 Difference]: Start difference. First operand has 76 places, 75 transitions, 156 flow. Second operand 3 states and 1111 transitions. [2022-12-13 12:15:56,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 110 transitions, 378 flow [2022-12-13 12:15:56,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 110 transitions, 377 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 12:15:56,656 INFO L231 Difference]: Finished difference. Result has 78 places, 76 transitions, 167 flow [2022-12-13 12:15:56,656 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=725, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=167, PETRI_PLACES=78, PETRI_TRANSITIONS=76} [2022-12-13 12:15:56,657 INFO L288 CegarLoopForPetriNet]: 108 programPoint places, -30 predicate places. [2022-12-13 12:15:56,657 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 76 transitions, 167 flow [2022-12-13 12:15:56,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 346.6666666666667) internal successors, (1040), 3 states have internal predecessors, (1040), 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 12:15:56,658 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:15:56,658 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:15:56,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 12:15:56,658 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-12-13 12:15:56,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:15:56,659 INFO L85 PathProgramCache]: Analyzing trace with hash 361407412, now seen corresponding path program 1 times [2022-12-13 12:15:56,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:15:56,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653718678] [2022-12-13 12:15:56,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:15:56,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:15:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:56,707 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 12:15:56,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:15:56,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653718678] [2022-12-13 12:15:56,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653718678] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:15:56,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:15:56,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:15:56,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461316544] [2022-12-13 12:15:56,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:15:56,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:15:56,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:15:56,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:15:56,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:15:56,730 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 725 [2022-12-13 12:15:56,731 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 76 transitions, 167 flow. Second operand has 3 states, 3 states have (on average 336.6666666666667) internal successors, (1010), 3 states have internal predecessors, (1010), 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 12:15:56,731 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:15:56,732 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 725 [2022-12-13 12:15:56,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:15:57,020 INFO L130 PetriNetUnfolder]: 1370/2969 cut-off events. [2022-12-13 12:15:57,020 INFO L131 PetriNetUnfolder]: For 173/173 co-relation queries the response was YES. [2022-12-13 12:15:57,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5378 conditions, 2969 events. 1370/2969 cut-off events. For 173/173 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 19379 event pairs, 424 based on Foata normal form. 0/2636 useless extension candidates. Maximal degree in co-relation 5373. Up to 2051 conditions per place. [2022-12-13 12:15:57,030 INFO L137 encePairwiseOnDemand]: 719/725 looper letters, 55 selfloop transitions, 2 changer transitions 0/88 dead transitions. [2022-12-13 12:15:57,030 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 88 transitions, 307 flow [2022-12-13 12:15:57,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:15:57,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:15:57,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1062 transitions. [2022-12-13 12:15:57,032 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4882758620689655 [2022-12-13 12:15:57,032 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1062 transitions. [2022-12-13 12:15:57,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1062 transitions. [2022-12-13 12:15:57,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:15:57,033 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1062 transitions. [2022-12-13 12:15:57,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 354.0) internal successors, (1062), 3 states have internal predecessors, (1062), 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 12:15:57,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 725.0) internal successors, (2900), 4 states have internal predecessors, (2900), 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 12:15:57,037 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 725.0) internal successors, (2900), 4 states have internal predecessors, (2900), 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 12:15:57,038 INFO L175 Difference]: Start difference. First operand has 78 places, 76 transitions, 167 flow. Second operand 3 states and 1062 transitions. [2022-12-13 12:15:57,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 88 transitions, 307 flow [2022-12-13 12:15:57,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 88 transitions, 305 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 12:15:57,039 INFO L231 Difference]: Finished difference. Result has 76 places, 74 transitions, 171 flow [2022-12-13 12:15:57,039 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=725, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=171, PETRI_PLACES=76, PETRI_TRANSITIONS=74} [2022-12-13 12:15:57,040 INFO L288 CegarLoopForPetriNet]: 108 programPoint places, -32 predicate places. [2022-12-13 12:15:57,040 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 74 transitions, 171 flow [2022-12-13 12:15:57,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 336.6666666666667) internal successors, (1010), 3 states have internal predecessors, (1010), 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 12:15:57,040 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:15:57,041 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:15:57,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 12:15:57,041 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-12-13 12:15:57,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:15:57,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1798376643, now seen corresponding path program 1 times [2022-12-13 12:15:57,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:15:57,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443084841] [2022-12-13 12:15:57,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:15:57,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:15:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:57,111 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 12:15:57,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:15:57,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443084841] [2022-12-13 12:15:57,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443084841] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:15:57,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:15:57,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:15:57,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545210698] [2022-12-13 12:15:57,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:15:57,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:15:57,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:15:57,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:15:57,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:15:57,135 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 725 [2022-12-13 12:15:57,136 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 74 transitions, 171 flow. Second operand has 3 states, 3 states have (on average 345.0) internal successors, (1035), 3 states have internal predecessors, (1035), 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 12:15:57,136 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:15:57,136 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 725 [2022-12-13 12:15:57,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:15:57,406 INFO L130 PetriNetUnfolder]: 1370/2975 cut-off events. [2022-12-13 12:15:57,407 INFO L131 PetriNetUnfolder]: For 272/272 co-relation queries the response was YES. [2022-12-13 12:15:57,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5509 conditions, 2975 events. 1370/2975 cut-off events. For 272/272 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 19447 event pairs, 1073 based on Foata normal form. 0/2638 useless extension candidates. Maximal degree in co-relation 5504. Up to 2209 conditions per place. [2022-12-13 12:15:57,422 INFO L137 encePairwiseOnDemand]: 722/725 looper letters, 42 selfloop transitions, 2 changer transitions 0/75 dead transitions. [2022-12-13 12:15:57,422 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 75 transitions, 261 flow [2022-12-13 12:15:57,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:15:57,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:15:57,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1071 transitions. [2022-12-13 12:15:57,426 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4924137931034483 [2022-12-13 12:15:57,426 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1071 transitions. [2022-12-13 12:15:57,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1071 transitions. [2022-12-13 12:15:57,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:15:57,428 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1071 transitions. [2022-12-13 12:15:57,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 357.0) internal successors, (1071), 3 states have internal predecessors, (1071), 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 12:15:57,434 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 725.0) internal successors, (2900), 4 states have internal predecessors, (2900), 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 12:15:57,437 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 725.0) internal successors, (2900), 4 states have internal predecessors, (2900), 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 12:15:57,437 INFO L175 Difference]: Start difference. First operand has 76 places, 74 transitions, 171 flow. Second operand 3 states and 1071 transitions. [2022-12-13 12:15:57,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 75 transitions, 261 flow [2022-12-13 12:15:57,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 75 transitions, 261 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 12:15:57,440 INFO L231 Difference]: Finished difference. Result has 79 places, 75 transitions, 183 flow [2022-12-13 12:15:57,440 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=725, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=183, PETRI_PLACES=79, PETRI_TRANSITIONS=75} [2022-12-13 12:15:57,441 INFO L288 CegarLoopForPetriNet]: 108 programPoint places, -29 predicate places. [2022-12-13 12:15:57,441 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 75 transitions, 183 flow [2022-12-13 12:15:57,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 345.0) internal successors, (1035), 3 states have internal predecessors, (1035), 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 12:15:57,443 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:15:57,443 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:15:57,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 12:15:57,443 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-12-13 12:15:57,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:15:57,443 INFO L85 PathProgramCache]: Analyzing trace with hash 163269861, now seen corresponding path program 1 times [2022-12-13 12:15:57,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:15:57,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655149167] [2022-12-13 12:15:57,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:15:57,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:15:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:57,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 12:15:57,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:15:57,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655149167] [2022-12-13 12:15:57,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655149167] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:15:57,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:15:57,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 12:15:57,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540488800] [2022-12-13 12:15:57,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:15:57,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:15:57,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:15:57,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:15:57,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:15:57,974 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 725 [2022-12-13 12:15:57,977 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 75 transitions, 183 flow. Second operand has 6 states, 6 states have (on average 335.8333333333333) internal successors, (2015), 6 states have internal predecessors, (2015), 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 12:15:57,978 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:15:57,978 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 725 [2022-12-13 12:15:57,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:15:58,719 INFO L130 PetriNetUnfolder]: 4538/7332 cut-off events. [2022-12-13 12:15:58,719 INFO L131 PetriNetUnfolder]: For 771/771 co-relation queries the response was YES. [2022-12-13 12:15:58,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15025 conditions, 7332 events. 4538/7332 cut-off events. For 771/771 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 47987 event pairs, 330 based on Foata normal form. 0/6478 useless extension candidates. Maximal degree in co-relation 15018. Up to 2494 conditions per place. [2022-12-13 12:15:58,750 INFO L137 encePairwiseOnDemand]: 720/725 looper letters, 180 selfloop transitions, 4 changer transitions 0/210 dead transitions. [2022-12-13 12:15:58,750 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 210 transitions, 885 flow [2022-12-13 12:15:58,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 12:15:58,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 12:15:58,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2173 transitions. [2022-12-13 12:15:58,753 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4995402298850575 [2022-12-13 12:15:58,753 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2173 transitions. [2022-12-13 12:15:58,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2173 transitions. [2022-12-13 12:15:58,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:15:58,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2173 transitions. [2022-12-13 12:15:58,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 362.1666666666667) internal successors, (2173), 6 states have internal predecessors, (2173), 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 12:15:58,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 725.0) internal successors, (5075), 7 states have internal predecessors, (5075), 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 12:15:58,761 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 725.0) internal successors, (5075), 7 states have internal predecessors, (5075), 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 12:15:58,761 INFO L175 Difference]: Start difference. First operand has 79 places, 75 transitions, 183 flow. Second operand 6 states and 2173 transitions. [2022-12-13 12:15:58,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 210 transitions, 885 flow [2022-12-13 12:15:58,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 210 transitions, 881 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-13 12:15:58,764 INFO L231 Difference]: Finished difference. Result has 82 places, 74 transitions, 185 flow [2022-12-13 12:15:58,764 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=725, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=185, PETRI_PLACES=82, PETRI_TRANSITIONS=74} [2022-12-13 12:15:58,764 INFO L288 CegarLoopForPetriNet]: 108 programPoint places, -26 predicate places. [2022-12-13 12:15:58,764 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 74 transitions, 185 flow [2022-12-13 12:15:58,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 335.8333333333333) internal successors, (2015), 6 states have internal predecessors, (2015), 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 12:15:58,765 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:15:58,765 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:15:58,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 12:15:58,765 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-12-13 12:15:58,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:15:58,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1625922580, now seen corresponding path program 1 times [2022-12-13 12:15:58,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:15:58,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660959751] [2022-12-13 12:15:58,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:15:58,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:15:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:58,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 12:15:58,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:15:58,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660959751] [2022-12-13 12:15:58,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660959751] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:15:58,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:15:58,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:15:58,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809701593] [2022-12-13 12:15:58,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:15:58,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:15:58,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:15:58,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:15:58,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:15:58,845 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 725 [2022-12-13 12:15:58,846 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 74 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 346.3333333333333) internal successors, (1039), 3 states have internal predecessors, (1039), 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 12:15:58,846 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:15:58,847 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 725 [2022-12-13 12:15:58,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:15:59,205 INFO L130 PetriNetUnfolder]: 1620/3518 cut-off events. [2022-12-13 12:15:59,205 INFO L131 PetriNetUnfolder]: For 777/777 co-relation queries the response was YES. [2022-12-13 12:15:59,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7072 conditions, 3518 events. 1620/3518 cut-off events. For 777/777 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 22668 event pairs, 389 based on Foata normal form. 0/3222 useless extension candidates. Maximal degree in co-relation 7065. Up to 1909 conditions per place. [2022-12-13 12:15:59,216 INFO L137 encePairwiseOnDemand]: 722/725 looper letters, 63 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2022-12-13 12:15:59,217 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 95 transitions, 370 flow [2022-12-13 12:15:59,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:15:59,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:15:59,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1090 transitions. [2022-12-13 12:15:59,219 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5011494252873563 [2022-12-13 12:15:59,219 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1090 transitions. [2022-12-13 12:15:59,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1090 transitions. [2022-12-13 12:15:59,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:15:59,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1090 transitions. [2022-12-13 12:15:59,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.3333333333333) internal successors, (1090), 3 states have internal predecessors, (1090), 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 12:15:59,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 725.0) internal successors, (2900), 4 states have internal predecessors, (2900), 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 12:15:59,224 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 725.0) internal successors, (2900), 4 states have internal predecessors, (2900), 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 12:15:59,224 INFO L175 Difference]: Start difference. First operand has 82 places, 74 transitions, 185 flow. Second operand 3 states and 1090 transitions. [2022-12-13 12:15:59,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 95 transitions, 370 flow [2022-12-13 12:15:59,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 95 transitions, 361 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 12:15:59,226 INFO L231 Difference]: Finished difference. Result has 81 places, 75 transitions, 190 flow [2022-12-13 12:15:59,226 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=725, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=81, PETRI_TRANSITIONS=75} [2022-12-13 12:15:59,226 INFO L288 CegarLoopForPetriNet]: 108 programPoint places, -27 predicate places. [2022-12-13 12:15:59,227 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 75 transitions, 190 flow [2022-12-13 12:15:59,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 346.3333333333333) internal successors, (1039), 3 states have internal predecessors, (1039), 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 12:15:59,227 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:15:59,227 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 12:15:59,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 12:15:59,227 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-12-13 12:15:59,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:15:59,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1358443651, now seen corresponding path program 1 times [2022-12-13 12:15:59,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:15:59,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151302030] [2022-12-13 12:15:59,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:15:59,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:15:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:59,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 12:15:59,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:15:59,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151302030] [2022-12-13 12:15:59,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151302030] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:15:59,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:15:59,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 12:15:59,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679059098] [2022-12-13 12:15:59,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:15:59,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:15:59,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:15:59,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:15:59,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:15:59,681 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 725 [2022-12-13 12:15:59,683 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 75 transitions, 190 flow. Second operand has 6 states, 6 states have (on average 335.5) internal successors, (2013), 6 states have internal predecessors, (2013), 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 12:15:59,683 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:15:59,683 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 725 [2022-12-13 12:15:59,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:16:00,224 INFO L130 PetriNetUnfolder]: 2340/4557 cut-off events. [2022-12-13 12:16:00,224 INFO L131 PetriNetUnfolder]: For 404/404 co-relation queries the response was YES. [2022-12-13 12:16:00,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9079 conditions, 4557 events. 2340/4557 cut-off events. For 404/404 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 28664 event pairs, 1349 based on Foata normal form. 116/4370 useless extension candidates. Maximal degree in co-relation 9071. Up to 2664 conditions per place. [2022-12-13 12:16:00,236 INFO L137 encePairwiseOnDemand]: 719/725 looper letters, 147 selfloop transitions, 6 changer transitions 0/178 dead transitions. [2022-12-13 12:16:00,236 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 178 transitions, 742 flow [2022-12-13 12:16:00,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 12:16:00,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 12:16:00,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2143 transitions. [2022-12-13 12:16:00,239 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49264367816091953 [2022-12-13 12:16:00,240 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2143 transitions. [2022-12-13 12:16:00,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2143 transitions. [2022-12-13 12:16:00,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:16:00,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2143 transitions. [2022-12-13 12:16:00,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 357.1666666666667) internal successors, (2143), 6 states have internal predecessors, (2143), 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 12:16:00,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 725.0) internal successors, (5075), 7 states have internal predecessors, (5075), 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 12:16:00,263 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 725.0) internal successors, (5075), 7 states have internal predecessors, (5075), 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 12:16:00,264 INFO L175 Difference]: Start difference. First operand has 81 places, 75 transitions, 190 flow. Second operand 6 states and 2143 transitions. [2022-12-13 12:16:00,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 178 transitions, 742 flow [2022-12-13 12:16:00,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 178 transitions, 736 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 12:16:00,268 INFO L231 Difference]: Finished difference. Result has 84 places, 74 transitions, 198 flow [2022-12-13 12:16:00,268 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=725, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=198, PETRI_PLACES=84, PETRI_TRANSITIONS=74} [2022-12-13 12:16:00,269 INFO L288 CegarLoopForPetriNet]: 108 programPoint places, -24 predicate places. [2022-12-13 12:16:00,269 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 74 transitions, 198 flow [2022-12-13 12:16:00,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 335.5) internal successors, (2013), 6 states have internal predecessors, (2013), 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 12:16:00,271 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:16:00,271 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 12:16:00,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 12:16:00,271 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-12-13 12:16:00,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:16:00,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1760955219, now seen corresponding path program 1 times [2022-12-13 12:16:00,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:16:00,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646780793] [2022-12-13 12:16:00,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:16:00,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:16:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:00,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 12:16:00,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:16:00,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646780793] [2022-12-13 12:16:00,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646780793] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:16:00,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:16:00,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 12:16:00,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760705591] [2022-12-13 12:16:00,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:16:00,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:16:00,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:16:00,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:16:00,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:16:00,812 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 725 [2022-12-13 12:16:00,813 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 74 transitions, 198 flow. Second operand has 6 states, 6 states have (on average 321.6666666666667) internal successors, (1930), 6 states have internal predecessors, (1930), 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 12:16:00,813 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:16:00,813 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 725 [2022-12-13 12:16:00,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:16:01,263 INFO L130 PetriNetUnfolder]: 2268/4020 cut-off events. [2022-12-13 12:16:01,263 INFO L131 PetriNetUnfolder]: For 744/744 co-relation queries the response was YES. [2022-12-13 12:16:01,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8702 conditions, 4020 events. 2268/4020 cut-off events. For 744/744 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 22829 event pairs, 1157 based on Foata normal form. 72/3787 useless extension candidates. Maximal degree in co-relation 8694. Up to 2304 conditions per place. [2022-12-13 12:16:01,273 INFO L137 encePairwiseOnDemand]: 706/725 looper letters, 89 selfloop transitions, 17 changer transitions 0/123 dead transitions. [2022-12-13 12:16:01,273 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 123 transitions, 560 flow [2022-12-13 12:16:01,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 12:16:01,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 12:16:01,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2014 transitions. [2022-12-13 12:16:01,276 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4629885057471264 [2022-12-13 12:16:01,276 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2014 transitions. [2022-12-13 12:16:01,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2014 transitions. [2022-12-13 12:16:01,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:16:01,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2014 transitions. [2022-12-13 12:16:01,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 335.6666666666667) internal successors, (2014), 6 states have internal predecessors, (2014), 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 12:16:01,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 725.0) internal successors, (5075), 7 states have internal predecessors, (5075), 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 12:16:01,282 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 725.0) internal successors, (5075), 7 states have internal predecessors, (5075), 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 12:16:01,282 INFO L175 Difference]: Start difference. First operand has 84 places, 74 transitions, 198 flow. Second operand 6 states and 2014 transitions. [2022-12-13 12:16:01,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 123 transitions, 560 flow [2022-12-13 12:16:01,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 123 transitions, 532 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 12:16:01,284 INFO L231 Difference]: Finished difference. Result has 81 places, 71 transitions, 214 flow [2022-12-13 12:16:01,285 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=725, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=214, PETRI_PLACES=81, PETRI_TRANSITIONS=71} [2022-12-13 12:16:01,285 INFO L288 CegarLoopForPetriNet]: 108 programPoint places, -27 predicate places. [2022-12-13 12:16:01,285 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 71 transitions, 214 flow [2022-12-13 12:16:01,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 321.6666666666667) internal successors, (1930), 6 states have internal predecessors, (1930), 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 12:16:01,285 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:16:01,286 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] [2022-12-13 12:16:01,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 12:16:01,286 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2022-12-13 12:16:01,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:16:01,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1135534171, now seen corresponding path program 1 times [2022-12-13 12:16:01,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:16:01,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034485773] [2022-12-13 12:16:01,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:16:01,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:16:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:01,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 12:16:01,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:16:01,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034485773] [2022-12-13 12:16:01,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034485773] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:16:01,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:16:01,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 12:16:01,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28768802] [2022-12-13 12:16:01,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:16:01,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:16:01,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:16:01,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:16:01,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:16:01,761 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 725 [2022-12-13 12:16:01,763 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 71 transitions, 214 flow. Second operand has 6 states, 6 states have (on average 336.3333333333333) internal successors, (2018), 6 states have internal predecessors, (2018), 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 12:16:01,763 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:16:01,763 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 725 [2022-12-13 12:16:01,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:16:02,301 INFO L130 PetriNetUnfolder]: 1860/3735 cut-off events. [2022-12-13 12:16:02,301 INFO L131 PetriNetUnfolder]: For 560/560 co-relation queries the response was YES. [2022-12-13 12:16:02,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8227 conditions, 3735 events. 1860/3735 cut-off events. For 560/560 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 23416 event pairs, 1295 based on Foata normal form. 0/3459 useless extension candidates. Maximal degree in co-relation 8219. Up to 2548 conditions per place. [2022-12-13 12:16:02,306 INFO L137 encePairwiseOnDemand]: 720/725 looper letters, 0 selfloop transitions, 0 changer transitions 166/166 dead transitions. [2022-12-13 12:16:02,306 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 166 transitions, 802 flow [2022-12-13 12:16:02,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 12:16:02,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 12:16:02,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2137 transitions. [2022-12-13 12:16:02,309 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49126436781609195 [2022-12-13 12:16:02,309 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2137 transitions. [2022-12-13 12:16:02,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2137 transitions. [2022-12-13 12:16:02,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:16:02,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2137 transitions. [2022-12-13 12:16:02,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 356.1666666666667) internal successors, (2137), 6 states have internal predecessors, (2137), 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 12:16:02,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 725.0) internal successors, (5075), 7 states have internal predecessors, (5075), 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 12:16:02,315 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 725.0) internal successors, (5075), 7 states have internal predecessors, (5075), 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 12:16:02,315 INFO L175 Difference]: Start difference. First operand has 81 places, 71 transitions, 214 flow. Second operand 6 states and 2137 transitions. [2022-12-13 12:16:02,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 166 transitions, 802 flow [2022-12-13 12:16:02,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 166 transitions, 704 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 12:16:02,318 INFO L231 Difference]: Finished difference. Result has 80 places, 0 transitions, 0 flow [2022-12-13 12:16:02,318 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=725, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=80, PETRI_TRANSITIONS=0} [2022-12-13 12:16:02,319 INFO L288 CegarLoopForPetriNet]: 108 programPoint places, -28 predicate places. [2022-12-13 12:16:02,319 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 0 transitions, 0 flow [2022-12-13 12:16:02,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 336.3333333333333) internal successors, (2018), 6 states have internal predecessors, (2018), 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 12:16:02,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (72 of 73 remaining) [2022-12-13 12:16:02,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (71 of 73 remaining) [2022-12-13 12:16:02,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (70 of 73 remaining) [2022-12-13 12:16:02,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (69 of 73 remaining) [2022-12-13 12:16:02,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (68 of 73 remaining) [2022-12-13 12:16:02,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (67 of 73 remaining) [2022-12-13 12:16:02,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (66 of 73 remaining) [2022-12-13 12:16:02,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (65 of 73 remaining) [2022-12-13 12:16:02,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (64 of 73 remaining) [2022-12-13 12:16:02,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (63 of 73 remaining) [2022-12-13 12:16:02,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (62 of 73 remaining) [2022-12-13 12:16:02,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (61 of 73 remaining) [2022-12-13 12:16:02,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (60 of 73 remaining) [2022-12-13 12:16:02,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (59 of 73 remaining) [2022-12-13 12:16:02,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (58 of 73 remaining) [2022-12-13 12:16:02,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (57 of 73 remaining) [2022-12-13 12:16:02,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (56 of 73 remaining) [2022-12-13 12:16:02,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (55 of 73 remaining) [2022-12-13 12:16:02,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (54 of 73 remaining) [2022-12-13 12:16:02,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (53 of 73 remaining) [2022-12-13 12:16:02,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (52 of 73 remaining) [2022-12-13 12:16:02,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (51 of 73 remaining) [2022-12-13 12:16:02,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (50 of 73 remaining) [2022-12-13 12:16:02,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (49 of 73 remaining) [2022-12-13 12:16:02,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (48 of 73 remaining) [2022-12-13 12:16:02,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (47 of 73 remaining) [2022-12-13 12:16:02,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (46 of 73 remaining) [2022-12-13 12:16:02,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (45 of 73 remaining) [2022-12-13 12:16:02,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (44 of 73 remaining) [2022-12-13 12:16:02,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (43 of 73 remaining) [2022-12-13 12:16:02,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 73 remaining) [2022-12-13 12:16:02,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 73 remaining) [2022-12-13 12:16:02,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 73 remaining) [2022-12-13 12:16:02,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 73 remaining) [2022-12-13 12:16:02,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 73 remaining) [2022-12-13 12:16:02,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 73 remaining) [2022-12-13 12:16:02,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 73 remaining) [2022-12-13 12:16:02,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 73 remaining) [2022-12-13 12:16:02,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 73 remaining) [2022-12-13 12:16:02,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 73 remaining) [2022-12-13 12:16:02,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (32 of 73 remaining) [2022-12-13 12:16:02,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 73 remaining) [2022-12-13 12:16:02,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 73 remaining) [2022-12-13 12:16:02,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 73 remaining) [2022-12-13 12:16:02,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 73 remaining) [2022-12-13 12:16:02,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 73 remaining) [2022-12-13 12:16:02,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 73 remaining) [2022-12-13 12:16:02,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 73 remaining) [2022-12-13 12:16:02,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (24 of 73 remaining) [2022-12-13 12:16:02,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (23 of 73 remaining) [2022-12-13 12:16:02,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (22 of 73 remaining) [2022-12-13 12:16:02,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 73 remaining) [2022-12-13 12:16:02,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 73 remaining) [2022-12-13 12:16:02,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 73 remaining) [2022-12-13 12:16:02,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 73 remaining) [2022-12-13 12:16:02,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 73 remaining) [2022-12-13 12:16:02,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (16 of 73 remaining) [2022-12-13 12:16:02,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (15 of 73 remaining) [2022-12-13 12:16:02,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (14 of 73 remaining) [2022-12-13 12:16:02,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 73 remaining) [2022-12-13 12:16:02,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (12 of 73 remaining) [2022-12-13 12:16:02,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (11 of 73 remaining) [2022-12-13 12:16:02,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (10 of 73 remaining) [2022-12-13 12:16:02,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (9 of 73 remaining) [2022-12-13 12:16:02,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (8 of 73 remaining) [2022-12-13 12:16:02,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 73 remaining) [2022-12-13 12:16:02,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 73 remaining) [2022-12-13 12:16:02,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 73 remaining) [2022-12-13 12:16:02,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (4 of 73 remaining) [2022-12-13 12:16:02,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (3 of 73 remaining) [2022-12-13 12:16:02,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 73 remaining) [2022-12-13 12:16:02,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (1 of 73 remaining) [2022-12-13 12:16:02,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (0 of 73 remaining) [2022-12-13 12:16:02,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 12:16:02,329 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:16:02,334 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 12:16:02,335 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:16:02,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:16:02 BasicIcfg [2022-12-13 12:16:02,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:16:02,338 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:16:02,338 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:16:02,338 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:16:02,338 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:15:48" (3/4) ... [2022-12-13 12:16:02,340 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 12:16:02,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 12:16:02,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 12:16:02,347 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-12-13 12:16:02,348 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 12:16:02,348 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 12:16:02,348 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 12:16:02,374 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f73278f-8d84-449f-9e57-d8eaa83c62f7/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 12:16:02,374 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:16:02,374 INFO L158 Benchmark]: Toolchain (without parser) took 14283.41ms. Allocated memory was 153.1MB in the beginning and 346.0MB in the end (delta: 192.9MB). Free memory was 111.1MB in the beginning and 153.3MB in the end (delta: -42.3MB). Peak memory consumption was 152.2MB. Max. memory is 16.1GB. [2022-12-13 12:16:02,375 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 153.1MB. Free memory was 117.7MB in the beginning and 117.6MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:16:02,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.75ms. Allocated memory is still 153.1MB. Free memory was 110.6MB in the beginning and 98.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 12:16:02,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.19ms. Allocated memory is still 153.1MB. Free memory was 98.4MB in the beginning and 95.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:16:02,376 INFO L158 Benchmark]: Boogie Preprocessor took 29.76ms. Allocated memory is still 153.1MB. Free memory was 95.9MB in the beginning and 93.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:16:02,376 INFO L158 Benchmark]: RCFGBuilder took 529.59ms. Allocated memory is still 153.1MB. Free memory was 93.3MB in the beginning and 65.8MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-13 12:16:02,376 INFO L158 Benchmark]: TraceAbstraction took 13419.50ms. Allocated memory was 153.1MB in the beginning and 346.0MB in the end (delta: 192.9MB). Free memory was 65.4MB in the beginning and 156.5MB in the end (delta: -91.0MB). Peak memory consumption was 187.9MB. Max. memory is 16.1GB. [2022-12-13 12:16:02,376 INFO L158 Benchmark]: Witness Printer took 36.19ms. Allocated memory is still 346.0MB. Free memory was 156.5MB in the beginning and 153.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:16:02,378 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 153.1MB. Free memory was 117.7MB in the beginning and 117.6MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.75ms. Allocated memory is still 153.1MB. Free memory was 110.6MB in the beginning and 98.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.19ms. Allocated memory is still 153.1MB. Free memory was 98.4MB in the beginning and 95.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.76ms. Allocated memory is still 153.1MB. Free memory was 95.9MB in the beginning and 93.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 529.59ms. Allocated memory is still 153.1MB. Free memory was 93.3MB in the beginning and 65.8MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 13419.50ms. Allocated memory was 153.1MB in the beginning and 346.0MB in the end (delta: 192.9MB). Free memory was 65.4MB in the beginning and 156.5MB in the end (delta: -91.0MB). Peak memory consumption was 187.9MB. Max. memory is 16.1GB. * Witness Printer took 36.19ms. Allocated memory is still 346.0MB. Free memory was 156.5MB in the beginning and 153.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.0s, 333 PlacesBefore, 108 PlacesAfterwards, 344 TransitionsBefore, 110 TransitionsAfterwards, 22356 CoEnabledTransitionPairs, 8 FixpointIterations, 130 TrivialSequentialCompositions, 177 ConcurrentSequentialCompositions, 16 TrivialYvCompositions, 29 ConcurrentYvCompositions, 9 ChoiceCompositions, 361 TotalNumberOfCompositions, 83672 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26943, independent: 25808, independent conditional: 0, independent unconditional: 25808, dependent: 1135, dependent conditional: 0, dependent unconditional: 1135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12492, independent: 12320, independent conditional: 0, independent unconditional: 12320, dependent: 172, dependent conditional: 0, dependent unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 26943, independent: 13488, independent conditional: 0, independent unconditional: 13488, dependent: 963, dependent conditional: 0, dependent unconditional: 963, unknown: 12492, unknown conditional: 0, unknown unconditional: 12492] , Statistics on independence cache: Total cache size (in pairs): 1043, Positive cache size: 956, Positive conditional cache size: 0, Positive unconditional cache size: 956, Negative cache size: 87, Negative conditional cache size: 0, Negative unconditional cache size: 87, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: 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 5 procedures, 536 locations, 73 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: 13.3s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1391 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 851 mSDsluCounter, 127 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 481 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2926 IncrementalHoareTripleChecker+Invalid, 3407 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 481 mSolverCounterUnsat, 127 mSDtfsCounter, 2926 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=232occurred in iteration=0, InterpolantAutomatonStates: 44, 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, 1.1s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 544 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 5/5 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 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 12:16:02,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f73278f-8d84-449f-9e57-d8eaa83c62f7/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