./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-word-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf4c678-07ec-4864-b7fb-7610679639ef/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf4c678-07ec-4864-b7fb-7610679639ef/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf4c678-07ec-4864-b7fb-7610679639ef/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf4c678-07ec-4864-b7fb-7610679639ef/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-word-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf4c678-07ec-4864-b7fb-7610679639ef/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf4c678-07ec-4864-b7fb-7610679639ef/bin/uautomizer-ZsLfNo2U6R --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 4ca4c99e545bc332635ee8b9969d24118d6fd539f8535aa6ae4c72d296ec330e --- 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-38b53e6 [2022-11-25 16:54:39,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:54:39,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:54:39,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:54:39,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:54:39,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:54:39,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:54:39,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:54:39,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:54:39,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:54:39,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:54:39,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:54:39,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:54:39,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:54:39,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:54:39,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:54:39,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:54:39,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:54:39,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:54:39,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:54:39,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:54:39,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:54:39,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:54:39,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:54:39,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:54:39,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:54:39,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:54:39,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:54:39,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:54:39,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:54:39,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:54:39,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:54:39,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:54:39,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:54:39,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:54:39,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:54:39,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:54:39,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:54:39,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:54:39,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:54:39,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:54:39,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf4c678-07ec-4864-b7fb-7610679639ef/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 16:54:39,312 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:54:39,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:54:39,314 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:54:39,314 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:54:39,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:54:39,315 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:54:39,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:54:39,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:54:39,316 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:54:39,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:54:39,318 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 16:54:39,318 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:54:39,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:54:39,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 16:54:39,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:54:39,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:54:39,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:54:39,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:54:39,319 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 16:54:39,320 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 16:54:39,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:54:39,320 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:54:39,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:54:39,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:54:39,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:54:39,321 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:54:39,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:54:39,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:54:39,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:54:39,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:54:39,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:54:39,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:54:39,323 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:54:39,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:54:39,324 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:54:39,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:54:39,324 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_5bf4c678-07ec-4864-b7fb-7610679639ef/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf4c678-07ec-4864-b7fb-7610679639ef/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ca4c99e545bc332635ee8b9969d24118d6fd539f8535aa6ae4c72d296ec330e [2022-11-25 16:54:39,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:54:39,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:54:39,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:54:39,626 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:54:39,627 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:54:39,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf4c678-07ec-4864-b7fb-7610679639ef/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/weaver/chl-word-symm.wvr.c [2022-11-25 16:54:42,645 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:54:42,901 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:54:42,901 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf4c678-07ec-4864-b7fb-7610679639ef/sv-benchmarks/c/weaver/chl-word-symm.wvr.c [2022-11-25 16:54:42,911 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf4c678-07ec-4864-b7fb-7610679639ef/bin/uautomizer-ZsLfNo2U6R/data/81f2fe9a4/03972c8eef0c46798d372b2652d9d3c2/FLAG0ecb6a3f7 [2022-11-25 16:54:42,924 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf4c678-07ec-4864-b7fb-7610679639ef/bin/uautomizer-ZsLfNo2U6R/data/81f2fe9a4/03972c8eef0c46798d372b2652d9d3c2 [2022-11-25 16:54:42,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:54:42,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:54:42,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:54:42,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:54:42,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:54:42,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:54:42" (1/1) ... [2022-11-25 16:54:42,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55cc473c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:42, skipping insertion in model container [2022-11-25 16:54:42,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:54:42" (1/1) ... [2022-11-25 16:54:42,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:54:42,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:54:43,184 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_5bf4c678-07ec-4864-b7fb-7610679639ef/sv-benchmarks/c/weaver/chl-word-symm.wvr.c[2848,2861] [2022-11-25 16:54:43,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:54:43,208 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:54:43,258 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_5bf4c678-07ec-4864-b7fb-7610679639ef/sv-benchmarks/c/weaver/chl-word-symm.wvr.c[2848,2861] [2022-11-25 16:54:43,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:54:43,281 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:54:43,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:43 WrapperNode [2022-11-25 16:54:43,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:54:43,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:54:43,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:54:43,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:54:43,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:43" (1/1) ... [2022-11-25 16:54:43,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:43" (1/1) ... [2022-11-25 16:54:43,368 INFO L138 Inliner]: procedures = 24, calls = 35, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 204 [2022-11-25 16:54:43,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:54:43,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:54:43,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:54:43,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:54:43,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:43" (1/1) ... [2022-11-25 16:54:43,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:43" (1/1) ... [2022-11-25 16:54:43,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:43" (1/1) ... [2022-11-25 16:54:43,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:43" (1/1) ... [2022-11-25 16:54:43,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:43" (1/1) ... [2022-11-25 16:54:43,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:43" (1/1) ... [2022-11-25 16:54:43,407 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:43" (1/1) ... [2022-11-25 16:54:43,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:43" (1/1) ... [2022-11-25 16:54:43,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:54:43,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:54:43,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:54:43,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:54:43,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:43" (1/1) ... [2022-11-25 16:54:43,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:54:43,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf4c678-07ec-4864-b7fb-7610679639ef/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:54:43,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf4c678-07ec-4864-b7fb-7610679639ef/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:54:43,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf4c678-07ec-4864-b7fb-7610679639ef/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:54:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:54:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-25 16:54:43,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-25 16:54:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-25 16:54:43,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-25 16:54:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:54:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 16:54:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 16:54:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 16:54:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:54:43,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:54:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 16:54:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 16:54:43,519 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 16:54:43,679 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:54:43,696 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:54:44,484 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:54:44,504 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:54:44,509 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 16:54:44,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:54:44 BoogieIcfgContainer [2022-11-25 16:54:44,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:54:44,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:54:44,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:54:44,519 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:54:44,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:54:42" (1/3) ... [2022-11-25 16:54:44,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791db36a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:54:44, skipping insertion in model container [2022-11-25 16:54:44,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:43" (2/3) ... [2022-11-25 16:54:44,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791db36a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:54:44, skipping insertion in model container [2022-11-25 16:54:44,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:54:44" (3/3) ... [2022-11-25 16:54:44,523 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-word-symm.wvr.c [2022-11-25 16:54:44,535 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 16:54:44,546 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:54:44,546 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2022-11-25 16:54:44,546 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 16:54:44,759 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-25 16:54:44,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 465 places, 484 transitions, 984 flow [2022-11-25 16:54:45,085 INFO L130 PetriNetUnfolder]: 26/482 cut-off events. [2022-11-25 16:54:45,085 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-25 16:54:45,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 491 conditions, 482 events. 26/482 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1060 event pairs, 0 based on Foata normal form. 0/400 useless extension candidates. Maximal degree in co-relation 286. Up to 3 conditions per place. [2022-11-25 16:54:45,102 INFO L82 GeneralOperation]: Start removeDead. Operand has 465 places, 484 transitions, 984 flow [2022-11-25 16:54:45,117 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 444 places, 461 transitions, 934 flow [2022-11-25 16:54:45,121 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 16:54:45,149 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 444 places, 461 transitions, 934 flow [2022-11-25 16:54:45,152 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 444 places, 461 transitions, 934 flow [2022-11-25 16:54:45,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 444 places, 461 transitions, 934 flow [2022-11-25 16:54:45,247 INFO L130 PetriNetUnfolder]: 24/461 cut-off events. [2022-11-25 16:54:45,247 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-25 16:54:45,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 470 conditions, 461 events. 24/461 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1053 event pairs, 0 based on Foata normal form. 0/382 useless extension candidates. Maximal degree in co-relation 286. Up to 3 conditions per place. [2022-11-25 16:54:45,269 INFO L119 LiptonReduction]: Number of co-enabled transitions 31968 [2022-11-25 16:55:04,103 INFO L134 LiptonReduction]: Checked pairs total: 381136 [2022-11-25 16:55:04,104 INFO L136 LiptonReduction]: Total number of compositions: 592 [2022-11-25 16:55:04,131 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:55:04,139 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;@25872fce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:55:04,139 INFO L358 AbstractCegarLoop]: Starting to check reachability of 96 error locations. [2022-11-25 16:55:04,141 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-11-25 16:55:04,142 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 16:55:04,142 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:55:04,142 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-11-25 16:55:04,143 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-25 16:55:04,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:55:04,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1825, now seen corresponding path program 1 times [2022-11-25 16:55:04,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:55:04,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578495427] [2022-11-25 16:55:04,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:55:04,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:55:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:55:04,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:55:04,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:55:04,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578495427] [2022-11-25 16:55:04,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578495427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:55:04,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:55:04,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-25 16:55:04,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139792553] [2022-11-25 16:55:04,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:55:04,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 16:55:04,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:55:04,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 16:55:04,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 16:55:04,346 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 468 out of 1076 [2022-11-25 16:55:04,354 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 156 transitions, 324 flow. Second operand has 2 states, 2 states have (on average 468.5) internal successors, (937), 2 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:04,354 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:55:04,355 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 468 of 1076 [2022-11-25 16:55:04,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:55:05,595 INFO L130 PetriNetUnfolder]: 3599/7147 cut-off events. [2022-11-25 16:55:05,595 INFO L131 PetriNetUnfolder]: For 97/136 co-relation queries the response was YES. [2022-11-25 16:55:05,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12677 conditions, 7147 events. 3599/7147 cut-off events. For 97/136 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 52094 event pairs, 2852 based on Foata normal form. 150/6446 useless extension candidates. Maximal degree in co-relation 12229. Up to 5452 conditions per place. [2022-11-25 16:55:05,639 INFO L137 encePairwiseOnDemand]: 1028/1076 looper letters, 69 selfloop transitions, 0 changer transitions 1/108 dead transitions. [2022-11-25 16:55:05,639 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 108 transitions, 368 flow [2022-11-25 16:55:05,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 16:55:05,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-25 16:55:05,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1054 transitions. [2022-11-25 16:55:05,660 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.48977695167286245 [2022-11-25 16:55:05,661 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1054 transitions. [2022-11-25 16:55:05,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1054 transitions. [2022-11-25 16:55:05,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:55:05,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1054 transitions. [2022-11-25 16:55:05,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 527.0) internal successors, (1054), 2 states have internal predecessors, (1054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:05,685 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1076.0) internal successors, (3228), 3 states have internal predecessors, (3228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:05,687 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1076.0) internal successors, (3228), 3 states have internal predecessors, (3228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:05,689 INFO L175 Difference]: Start difference. First operand has 149 places, 156 transitions, 324 flow. Second operand 2 states and 1054 transitions. [2022-11-25 16:55:05,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 108 transitions, 368 flow [2022-11-25 16:55:05,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 108 transitions, 360 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-25 16:55:05,699 INFO L231 Difference]: Finished difference. Result has 100 places, 107 transitions, 217 flow [2022-11-25 16:55:05,701 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1076, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=217, PETRI_PLACES=100, PETRI_TRANSITIONS=107} [2022-11-25 16:55:05,705 INFO L288 CegarLoopForPetriNet]: 149 programPoint places, -49 predicate places. [2022-11-25 16:55:05,705 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 107 transitions, 217 flow [2022-11-25 16:55:05,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 468.5) internal successors, (937), 2 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:05,706 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:55:05,706 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:55:05,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:55:05,708 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-25 16:55:05,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:55:05,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1391740349, now seen corresponding path program 1 times [2022-11-25 16:55:05,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:55:05,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870227748] [2022-11-25 16:55:05,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:55:05,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:55:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:55:06,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:55:06,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:55:06,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870227748] [2022-11-25 16:55:06,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870227748] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:55:06,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:55:06,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:55:06,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724772471] [2022-11-25 16:55:06,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:55:06,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:55:06,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:55:06,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:55:06,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:55:06,839 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 453 out of 1076 [2022-11-25 16:55:06,842 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 107 transitions, 217 flow. Second operand has 5 states, 5 states have (on average 455.0) internal successors, (2275), 5 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:06,843 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:55:06,843 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 453 of 1076 [2022-11-25 16:55:06,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:55:08,571 INFO L130 PetriNetUnfolder]: 6287/10727 cut-off events. [2022-11-25 16:55:08,571 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 16:55:08,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20045 conditions, 10727 events. 6287/10727 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 74782 event pairs, 575 based on Foata normal form. 576/9942 useless extension candidates. Maximal degree in co-relation 20042. Up to 3996 conditions per place. [2022-11-25 16:55:08,645 INFO L137 encePairwiseOnDemand]: 1072/1076 looper letters, 236 selfloop transitions, 3 changer transitions 0/274 dead transitions. [2022-11-25 16:55:08,645 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 274 transitions, 1029 flow [2022-11-25 16:55:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:55:08,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 16:55:08,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2505 transitions. [2022-11-25 16:55:08,654 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4656133828996282 [2022-11-25 16:55:08,654 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2505 transitions. [2022-11-25 16:55:08,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2505 transitions. [2022-11-25 16:55:08,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:55:08,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2505 transitions. [2022-11-25 16:55:08,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 501.0) internal successors, (2505), 5 states have internal predecessors, (2505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:08,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1076.0) internal successors, (6456), 6 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:08,679 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1076.0) internal successors, (6456), 6 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:08,679 INFO L175 Difference]: Start difference. First operand has 100 places, 107 transitions, 217 flow. Second operand 5 states and 2505 transitions. [2022-11-25 16:55:08,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 274 transitions, 1029 flow [2022-11-25 16:55:08,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 274 transitions, 1029 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-25 16:55:08,688 INFO L231 Difference]: Finished difference. Result has 102 places, 106 transitions, 221 flow [2022-11-25 16:55:08,689 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1076, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=221, PETRI_PLACES=102, PETRI_TRANSITIONS=106} [2022-11-25 16:55:08,690 INFO L288 CegarLoopForPetriNet]: 149 programPoint places, -47 predicate places. [2022-11-25 16:55:08,690 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 106 transitions, 221 flow [2022-11-25 16:55:08,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 455.0) internal successors, (2275), 5 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:08,692 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:55:08,692 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:55:08,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 16:55:08,693 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-25 16:55:08,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:55:08,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1113015600, now seen corresponding path program 1 times [2022-11-25 16:55:08,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:55:08,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628569409] [2022-11-25 16:55:08,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:55:08,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:55:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:55:08,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:55:08,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:55:08,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628569409] [2022-11-25 16:55:08,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628569409] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:55:08,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:55:08,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:55:08,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716038738] [2022-11-25 16:55:08,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:55:08,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:55:08,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:55:08,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:55:08,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:55:08,791 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 1076 [2022-11-25 16:55:08,793 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 106 transitions, 221 flow. Second operand has 3 states, 3 states have (on average 463.6666666666667) internal successors, (1391), 3 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:08,793 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:55:08,794 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 1076 [2022-11-25 16:55:08,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:55:09,537 INFO L130 PetriNetUnfolder]: 2337/4858 cut-off events. [2022-11-25 16:55:09,538 INFO L131 PetriNetUnfolder]: For 621/660 co-relation queries the response was YES. [2022-11-25 16:55:09,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9164 conditions, 4858 events. 2337/4858 cut-off events. For 621/660 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 32101 event pairs, 1748 based on Foata normal form. 0/4288 useless extension candidates. Maximal degree in co-relation 9160. Up to 3531 conditions per place. [2022-11-25 16:55:09,564 INFO L137 encePairwiseOnDemand]: 1073/1076 looper letters, 98 selfloop transitions, 2 changer transitions 0/138 dead transitions. [2022-11-25 16:55:09,564 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 138 transitions, 488 flow [2022-11-25 16:55:09,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:55:09,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 16:55:09,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1481 transitions. [2022-11-25 16:55:09,568 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.45879801734820325 [2022-11-25 16:55:09,569 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1481 transitions. [2022-11-25 16:55:09,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1481 transitions. [2022-11-25 16:55:09,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:55:09,570 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1481 transitions. [2022-11-25 16:55:09,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 493.6666666666667) internal successors, (1481), 3 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:09,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1076.0) internal successors, (4304), 4 states have internal predecessors, (4304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:09,582 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1076.0) internal successors, (4304), 4 states have internal predecessors, (4304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:09,582 INFO L175 Difference]: Start difference. First operand has 102 places, 106 transitions, 221 flow. Second operand 3 states and 1481 transitions. [2022-11-25 16:55:09,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 138 transitions, 488 flow [2022-11-25 16:55:09,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 138 transitions, 481 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-25 16:55:09,588 INFO L231 Difference]: Finished difference. Result has 102 places, 107 transitions, 228 flow [2022-11-25 16:55:09,589 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1076, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=102, PETRI_TRANSITIONS=107} [2022-11-25 16:55:09,590 INFO L288 CegarLoopForPetriNet]: 149 programPoint places, -47 predicate places. [2022-11-25 16:55:09,590 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 107 transitions, 228 flow [2022-11-25 16:55:09,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 463.6666666666667) internal successors, (1391), 3 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:09,591 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:55:09,592 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:55:09,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 16:55:09,592 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-25 16:55:09,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:55:09,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1800396028, now seen corresponding path program 1 times [2022-11-25 16:55:09,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:55:09,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036026633] [2022-11-25 16:55:09,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:55:09,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:55:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:55:09,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:55:09,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:55:09,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036026633] [2022-11-25 16:55:09,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036026633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:55:09,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:55:09,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:55:09,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883756361] [2022-11-25 16:55:09,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:55:09,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:55:09,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:55:09,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:55:09,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:55:09,965 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 456 out of 1076 [2022-11-25 16:55:09,967 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 107 transitions, 228 flow. Second operand has 5 states, 5 states have (on average 458.4) internal successors, (2292), 5 states have internal predecessors, (2292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:09,968 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:55:09,968 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 456 of 1076 [2022-11-25 16:55:09,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:55:10,944 INFO L130 PetriNetUnfolder]: 3491/7192 cut-off events. [2022-11-25 16:55:10,944 INFO L131 PetriNetUnfolder]: For 429/507 co-relation queries the response was YES. [2022-11-25 16:55:10,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13210 conditions, 7192 events. 3491/7192 cut-off events. For 429/507 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 52069 event pairs, 2272 based on Foata normal form. 50/6459 useless extension candidates. Maximal degree in co-relation 13205. Up to 3663 conditions per place. [2022-11-25 16:55:10,989 INFO L137 encePairwiseOnDemand]: 1071/1076 looper letters, 150 selfloop transitions, 4 changer transitions 0/192 dead transitions. [2022-11-25 16:55:10,990 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 192 transitions, 717 flow [2022-11-25 16:55:10,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:55:10,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 16:55:10,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2434 transitions. [2022-11-25 16:55:10,997 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4524163568773234 [2022-11-25 16:55:10,997 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2434 transitions. [2022-11-25 16:55:10,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2434 transitions. [2022-11-25 16:55:11,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:55:11,006 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2434 transitions. [2022-11-25 16:55:11,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 486.8) internal successors, (2434), 5 states have internal predecessors, (2434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:11,020 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1076.0) internal successors, (6456), 6 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:11,023 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1076.0) internal successors, (6456), 6 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:11,024 INFO L175 Difference]: Start difference. First operand has 102 places, 107 transitions, 228 flow. Second operand 5 states and 2434 transitions. [2022-11-25 16:55:11,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 192 transitions, 717 flow [2022-11-25 16:55:11,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 192 transitions, 713 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-25 16:55:11,037 INFO L231 Difference]: Finished difference. Result has 108 places, 110 transitions, 254 flow [2022-11-25 16:55:11,037 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1076, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=254, PETRI_PLACES=108, PETRI_TRANSITIONS=110} [2022-11-25 16:55:11,038 INFO L288 CegarLoopForPetriNet]: 149 programPoint places, -41 predicate places. [2022-11-25 16:55:11,038 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 110 transitions, 254 flow [2022-11-25 16:55:11,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 458.4) internal successors, (2292), 5 states have internal predecessors, (2292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:11,040 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:55:11,040 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:55:11,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 16:55:11,040 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-25 16:55:11,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:55:11,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1664285311, now seen corresponding path program 1 times [2022-11-25 16:55:11,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:55:11,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325360755] [2022-11-25 16:55:11,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:55:11,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:55:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:55:11,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:55:11,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:55:11,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325360755] [2022-11-25 16:55:11,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325360755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:55:11,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:55:11,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:55:11,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297137789] [2022-11-25 16:55:11,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:55:11,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:55:11,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:55:11,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:55:11,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:55:11,089 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 1076 [2022-11-25 16:55:11,091 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 110 transitions, 254 flow. Second operand has 3 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:11,092 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:55:11,092 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 1076 [2022-11-25 16:55:11,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:55:11,971 INFO L130 PetriNetUnfolder]: 3619/7506 cut-off events. [2022-11-25 16:55:11,971 INFO L131 PetriNetUnfolder]: For 557/689 co-relation queries the response was YES. [2022-11-25 16:55:11,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13864 conditions, 7506 events. 3619/7506 cut-off events. For 557/689 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 54173 event pairs, 2773 based on Foata normal form. 0/6823 useless extension candidates. Maximal degree in co-relation 13856. Up to 5564 conditions per place. [2022-11-25 16:55:12,020 INFO L137 encePairwiseOnDemand]: 1073/1076 looper letters, 105 selfloop transitions, 2 changer transitions 0/145 dead transitions. [2022-11-25 16:55:12,020 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 145 transitions, 555 flow [2022-11-25 16:55:12,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:55:12,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 16:55:12,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1482 transitions. [2022-11-25 16:55:12,025 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4591078066914498 [2022-11-25 16:55:12,025 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1482 transitions. [2022-11-25 16:55:12,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1482 transitions. [2022-11-25 16:55:12,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:55:12,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1482 transitions. [2022-11-25 16:55:12,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 494.0) internal successors, (1482), 3 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:12,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1076.0) internal successors, (4304), 4 states have internal predecessors, (4304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:12,038 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1076.0) internal successors, (4304), 4 states have internal predecessors, (4304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:12,038 INFO L175 Difference]: Start difference. First operand has 108 places, 110 transitions, 254 flow. Second operand 3 states and 1482 transitions. [2022-11-25 16:55:12,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 145 transitions, 555 flow [2022-11-25 16:55:12,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 145 transitions, 551 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-11-25 16:55:12,045 INFO L231 Difference]: Finished difference. Result has 110 places, 111 transitions, 262 flow [2022-11-25 16:55:12,046 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1076, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=262, PETRI_PLACES=110, PETRI_TRANSITIONS=111} [2022-11-25 16:55:12,050 INFO L288 CegarLoopForPetriNet]: 149 programPoint places, -39 predicate places. [2022-11-25 16:55:12,050 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 111 transitions, 262 flow [2022-11-25 16:55:12,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:12,052 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:55:12,053 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:55:12,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 16:55:12,053 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-25 16:55:12,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:55:12,054 INFO L85 PathProgramCache]: Analyzing trace with hash -511875985, now seen corresponding path program 1 times [2022-11-25 16:55:12,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:55:12,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595688318] [2022-11-25 16:55:12,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:55:12,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:55:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:55:12,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 16:55:12,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:55:12,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595688318] [2022-11-25 16:55:12,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595688318] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:55:12,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:55:12,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 16:55:12,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342344038] [2022-11-25 16:55:12,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:55:12,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 16:55:12,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:55:12,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 16:55:12,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 16:55:12,557 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 1076 [2022-11-25 16:55:12,560 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 111 transitions, 262 flow. Second operand has 6 states, 6 states have (on average 450.1666666666667) internal successors, (2701), 6 states have internal predecessors, (2701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:12,560 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:55:12,560 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 1076 [2022-11-25 16:55:12,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:55:14,455 INFO L130 PetriNetUnfolder]: 6231/12608 cut-off events. [2022-11-25 16:55:14,455 INFO L131 PetriNetUnfolder]: For 1477/1723 co-relation queries the response was YES. [2022-11-25 16:55:14,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24472 conditions, 12608 events. 6231/12608 cut-off events. For 1477/1723 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 100325 event pairs, 3681 based on Foata normal form. 0/11634 useless extension candidates. Maximal degree in co-relation 24463. Up to 5501 conditions per place. [2022-11-25 16:55:14,536 INFO L137 encePairwiseOnDemand]: 1068/1076 looper letters, 214 selfloop transitions, 12 changer transitions 0/264 dead transitions. [2022-11-25 16:55:14,536 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 264 transitions, 1081 flow [2022-11-25 16:55:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 16:55:14,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-11-25 16:55:14,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3353 transitions. [2022-11-25 16:55:14,544 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4451672862453532 [2022-11-25 16:55:14,544 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3353 transitions. [2022-11-25 16:55:14,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3353 transitions. [2022-11-25 16:55:14,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:55:14,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3353 transitions. [2022-11-25 16:55:14,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:14,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1076.0) internal successors, (8608), 8 states have internal predecessors, (8608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:14,582 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1076.0) internal successors, (8608), 8 states have internal predecessors, (8608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:14,583 INFO L175 Difference]: Start difference. First operand has 110 places, 111 transitions, 262 flow. Second operand 7 states and 3353 transitions. [2022-11-25 16:55:14,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 264 transitions, 1081 flow [2022-11-25 16:55:14,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 264 transitions, 1071 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-25 16:55:14,610 INFO L231 Difference]: Finished difference. Result has 119 places, 119 transitions, 343 flow [2022-11-25 16:55:14,611 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1076, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=343, PETRI_PLACES=119, PETRI_TRANSITIONS=119} [2022-11-25 16:55:14,613 INFO L288 CegarLoopForPetriNet]: 149 programPoint places, -30 predicate places. [2022-11-25 16:55:14,614 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 119 transitions, 343 flow [2022-11-25 16:55:14,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 450.1666666666667) internal successors, (2701), 6 states have internal predecessors, (2701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:14,615 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:55:14,615 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:55:14,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 16:55:14,617 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-25 16:55:14,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:55:14,617 INFO L85 PathProgramCache]: Analyzing trace with hash 123869247, now seen corresponding path program 1 times [2022-11-25 16:55:14,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:55:14,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995917902] [2022-11-25 16:55:14,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:55:14,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:55:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:55:14,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:55:14,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:55:14,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995917902] [2022-11-25 16:55:14,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995917902] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:55:14,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:55:14,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 16:55:14,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855581892] [2022-11-25 16:55:14,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:55:14,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 16:55:14,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:55:14,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 16:55:14,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 16:55:15,010 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 1076 [2022-11-25 16:55:15,012 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 119 transitions, 343 flow. Second operand has 6 states, 6 states have (on average 450.3333333333333) internal successors, (2702), 6 states have internal predecessors, (2702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:15,012 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:55:15,013 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 1076 [2022-11-25 16:55:15,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:55:16,432 INFO L130 PetriNetUnfolder]: 5127/10295 cut-off events. [2022-11-25 16:55:16,432 INFO L131 PetriNetUnfolder]: For 3247/3439 co-relation queries the response was YES. [2022-11-25 16:55:16,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21135 conditions, 10295 events. 5127/10295 cut-off events. For 3247/3439 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 76466 event pairs, 3383 based on Foata normal form. 3/9512 useless extension candidates. Maximal degree in co-relation 21122. Up to 5876 conditions per place. [2022-11-25 16:55:16,504 INFO L137 encePairwiseOnDemand]: 1068/1076 looper letters, 186 selfloop transitions, 10 changer transitions 0/234 dead transitions. [2022-11-25 16:55:16,505 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 234 transitions, 1128 flow [2022-11-25 16:55:16,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 16:55:16,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-11-25 16:55:16,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3307 transitions. [2022-11-25 16:55:16,513 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4390600106213489 [2022-11-25 16:55:16,513 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3307 transitions. [2022-11-25 16:55:16,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3307 transitions. [2022-11-25 16:55:16,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:55:16,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3307 transitions. [2022-11-25 16:55:16,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 472.42857142857144) internal successors, (3307), 7 states have internal predecessors, (3307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:16,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1076.0) internal successors, (8608), 8 states have internal predecessors, (8608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:16,534 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1076.0) internal successors, (8608), 8 states have internal predecessors, (8608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:16,535 INFO L175 Difference]: Start difference. First operand has 119 places, 119 transitions, 343 flow. Second operand 7 states and 3307 transitions. [2022-11-25 16:55:16,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 234 transitions, 1128 flow [2022-11-25 16:55:16,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 234 transitions, 1124 flow, removed 2 selfloop flow, removed 0 redundant places. [2022-11-25 16:55:16,556 INFO L231 Difference]: Finished difference. Result has 128 places, 124 transitions, 396 flow [2022-11-25 16:55:16,556 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1076, PETRI_DIFFERENCE_MINUEND_FLOW=341, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=396, PETRI_PLACES=128, PETRI_TRANSITIONS=124} [2022-11-25 16:55:16,557 INFO L288 CegarLoopForPetriNet]: 149 programPoint places, -21 predicate places. [2022-11-25 16:55:16,557 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 124 transitions, 396 flow [2022-11-25 16:55:16,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 450.3333333333333) internal successors, (2702), 6 states have internal predecessors, (2702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:16,558 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:55:16,558 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:55:16,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 16:55:16,559 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-25 16:55:16,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:55:16,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1457880876, now seen corresponding path program 1 times [2022-11-25 16:55:16,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:55:16,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15921447] [2022-11-25 16:55:16,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:55:16,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:55:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:55:16,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 16:55:16,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:55:16,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15921447] [2022-11-25 16:55:16,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15921447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:55:16,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:55:16,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 16:55:16,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697344877] [2022-11-25 16:55:16,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:55:16,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:55:16,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:55:16,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:55:16,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:55:16,943 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 456 out of 1076 [2022-11-25 16:55:16,945 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 124 transitions, 396 flow. Second operand has 5 states, 5 states have (on average 459.0) internal successors, (2295), 5 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:16,945 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:55:16,946 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 456 of 1076 [2022-11-25 16:55:16,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:55:17,962 INFO L130 PetriNetUnfolder]: 4227/8473 cut-off events. [2022-11-25 16:55:17,962 INFO L131 PetriNetUnfolder]: For 3464/3728 co-relation queries the response was YES. [2022-11-25 16:55:17,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18287 conditions, 8473 events. 4227/8473 cut-off events. For 3464/3728 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 60802 event pairs, 2951 based on Foata normal form. 67/7980 useless extension candidates. Maximal degree in co-relation 18270. Up to 4893 conditions per place. [2022-11-25 16:55:18,012 INFO L137 encePairwiseOnDemand]: 1071/1076 looper letters, 132 selfloop transitions, 6 changer transitions 0/176 dead transitions. [2022-11-25 16:55:18,013 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 176 transitions, 846 flow [2022-11-25 16:55:18,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:55:18,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 16:55:18,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2402 transitions. [2022-11-25 16:55:18,019 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.44646840148698885 [2022-11-25 16:55:18,020 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2402 transitions. [2022-11-25 16:55:18,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2402 transitions. [2022-11-25 16:55:18,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:55:18,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2402 transitions. [2022-11-25 16:55:18,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 480.4) internal successors, (2402), 5 states have internal predecessors, (2402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:18,034 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1076.0) internal successors, (6456), 6 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:18,036 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1076.0) internal successors, (6456), 6 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:18,036 INFO L175 Difference]: Start difference. First operand has 128 places, 124 transitions, 396 flow. Second operand 5 states and 2402 transitions. [2022-11-25 16:55:18,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 176 transitions, 846 flow [2022-11-25 16:55:18,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 176 transitions, 843 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-25 16:55:18,063 INFO L231 Difference]: Finished difference. Result has 133 places, 126 transitions, 426 flow [2022-11-25 16:55:18,064 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1076, PETRI_DIFFERENCE_MINUEND_FLOW=393, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=426, PETRI_PLACES=133, PETRI_TRANSITIONS=126} [2022-11-25 16:55:18,064 INFO L288 CegarLoopForPetriNet]: 149 programPoint places, -16 predicate places. [2022-11-25 16:55:18,064 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 126 transitions, 426 flow [2022-11-25 16:55:18,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 459.0) internal successors, (2295), 5 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:18,065 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:55:18,066 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:55:18,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 16:55:18,066 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-25 16:55:18,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:55:18,067 INFO L85 PathProgramCache]: Analyzing trace with hash 267675185, now seen corresponding path program 1 times [2022-11-25 16:55:18,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:55:18,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920497661] [2022-11-25 16:55:18,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:55:18,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:55:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:55:18,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 16:55:18,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:55:18,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920497661] [2022-11-25 16:55:18,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920497661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:55:18,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:55:18,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:55:18,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828185463] [2022-11-25 16:55:18,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:55:18,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:55:18,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:55:18,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:55:18,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:55:18,798 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 1076 [2022-11-25 16:55:18,800 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 126 transitions, 426 flow. Second operand has 5 states, 5 states have (on average 451.4) internal successors, (2257), 5 states have internal predecessors, (2257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:18,800 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:55:18,800 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 1076 [2022-11-25 16:55:18,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:55:20,337 INFO L130 PetriNetUnfolder]: 4994/9681 cut-off events. [2022-11-25 16:55:20,337 INFO L131 PetriNetUnfolder]: For 4413/4623 co-relation queries the response was YES. [2022-11-25 16:55:20,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21289 conditions, 9681 events. 4994/9681 cut-off events. For 4413/4623 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 67105 event pairs, 2717 based on Foata normal form. 104/9164 useless extension candidates. Maximal degree in co-relation 21269. Up to 5455 conditions per place. [2022-11-25 16:55:20,407 INFO L137 encePairwiseOnDemand]: 1070/1076 looper letters, 191 selfloop transitions, 4 changer transitions 0/227 dead transitions. [2022-11-25 16:55:20,408 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 227 transitions, 1094 flow [2022-11-25 16:55:20,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:55:20,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 16:55:20,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2414 transitions. [2022-11-25 16:55:20,418 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.44869888475836434 [2022-11-25 16:55:20,418 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2414 transitions. [2022-11-25 16:55:20,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2414 transitions. [2022-11-25 16:55:20,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:55:20,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2414 transitions. [2022-11-25 16:55:20,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 482.8) internal successors, (2414), 5 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:20,436 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1076.0) internal successors, (6456), 6 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:20,438 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1076.0) internal successors, (6456), 6 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:20,439 INFO L175 Difference]: Start difference. First operand has 133 places, 126 transitions, 426 flow. Second operand 5 states and 2414 transitions. [2022-11-25 16:55:20,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 227 transitions, 1094 flow [2022-11-25 16:55:20,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 227 transitions, 1087 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-25 16:55:20,466 INFO L231 Difference]: Finished difference. Result has 133 places, 124 transitions, 423 flow [2022-11-25 16:55:20,467 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1076, PETRI_DIFFERENCE_MINUEND_FLOW=415, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=423, PETRI_PLACES=133, PETRI_TRANSITIONS=124} [2022-11-25 16:55:20,468 INFO L288 CegarLoopForPetriNet]: 149 programPoint places, -16 predicate places. [2022-11-25 16:55:20,468 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 124 transitions, 423 flow [2022-11-25 16:55:20,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 451.4) internal successors, (2257), 5 states have internal predecessors, (2257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:20,469 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:55:20,469 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:55:20,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 16:55:20,470 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-25 16:55:20,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:55:20,470 INFO L85 PathProgramCache]: Analyzing trace with hash -145836630, now seen corresponding path program 1 times [2022-11-25 16:55:20,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:55:20,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546984287] [2022-11-25 16:55:20,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:55:20,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:55:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:55:20,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 16:55:20,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:55:20,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546984287] [2022-11-25 16:55:20,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546984287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:55:20,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:55:20,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:55:20,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872681719] [2022-11-25 16:55:20,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:55:20,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:55:20,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:55:20,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:55:20,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:55:21,296 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 1076 [2022-11-25 16:55:21,299 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 124 transitions, 423 flow. Second operand has 5 states, 5 states have (on average 451.6) internal successors, (2258), 5 states have internal predecessors, (2258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:21,299 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:55:21,299 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 1076 [2022-11-25 16:55:21,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:55:22,659 INFO L130 PetriNetUnfolder]: 5054/9777 cut-off events. [2022-11-25 16:55:22,660 INFO L131 PetriNetUnfolder]: For 4449/4659 co-relation queries the response was YES. [2022-11-25 16:55:22,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21625 conditions, 9777 events. 5054/9777 cut-off events. For 4449/4659 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 67318 event pairs, 2754 based on Foata normal form. 120/9269 useless extension candidates. Maximal degree in co-relation 21605. Up to 5548 conditions per place. [2022-11-25 16:55:22,731 INFO L137 encePairwiseOnDemand]: 1070/1076 looper letters, 181 selfloop transitions, 4 changer transitions 0/219 dead transitions. [2022-11-25 16:55:22,732 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 219 transitions, 1064 flow [2022-11-25 16:55:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:55:22,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 16:55:22,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2404 transitions. [2022-11-25 16:55:22,738 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4468401486988848 [2022-11-25 16:55:22,738 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2404 transitions. [2022-11-25 16:55:22,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2404 transitions. [2022-11-25 16:55:22,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:55:22,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2404 transitions. [2022-11-25 16:55:22,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 480.8) internal successors, (2404), 5 states have internal predecessors, (2404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:22,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1076.0) internal successors, (6456), 6 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:22,757 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1076.0) internal successors, (6456), 6 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:22,757 INFO L175 Difference]: Start difference. First operand has 133 places, 124 transitions, 423 flow. Second operand 5 states and 2404 transitions. [2022-11-25 16:55:22,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 219 transitions, 1064 flow [2022-11-25 16:55:22,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 219 transitions, 1050 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-25 16:55:22,783 INFO L231 Difference]: Finished difference. Result has 131 places, 122 transitions, 419 flow [2022-11-25 16:55:22,784 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1076, PETRI_DIFFERENCE_MINUEND_FLOW=411, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=419, PETRI_PLACES=131, PETRI_TRANSITIONS=122} [2022-11-25 16:55:22,785 INFO L288 CegarLoopForPetriNet]: 149 programPoint places, -18 predicate places. [2022-11-25 16:55:22,785 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 122 transitions, 419 flow [2022-11-25 16:55:22,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 451.6) internal successors, (2258), 5 states have internal predecessors, (2258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:22,786 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:55:22,786 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:55:22,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 16:55:22,787 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-25 16:55:22,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:55:22,787 INFO L85 PathProgramCache]: Analyzing trace with hash 594027952, now seen corresponding path program 1 times [2022-11-25 16:55:22,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:55:22,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257062719] [2022-11-25 16:55:22,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:55:22,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:55:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:55:23,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:55:23,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:55:23,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257062719] [2022-11-25 16:55:23,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257062719] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:55:23,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:55:23,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:55:23,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130615342] [2022-11-25 16:55:23,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:55:23,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:55:23,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:55:23,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:55:23,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:55:23,419 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 453 out of 1076 [2022-11-25 16:55:23,422 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 122 transitions, 419 flow. Second operand has 5 states, 5 states have (on average 456.4) internal successors, (2282), 5 states have internal predecessors, (2282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:23,422 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:55:23,422 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 453 of 1076 [2022-11-25 16:55:23,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:55:24,585 INFO L130 PetriNetUnfolder]: 4435/8660 cut-off events. [2022-11-25 16:55:24,585 INFO L131 PetriNetUnfolder]: For 4443/4653 co-relation queries the response was YES. [2022-11-25 16:55:24,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19496 conditions, 8660 events. 4435/8660 cut-off events. For 4443/4653 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 59455 event pairs, 3265 based on Foata normal form. 103/8212 useless extension candidates. Maximal degree in co-relation 19476. Up to 6437 conditions per place. [2022-11-25 16:55:24,618 INFO L137 encePairwiseOnDemand]: 1072/1076 looper letters, 115 selfloop transitions, 3 changer transitions 70/223 dead transitions. [2022-11-25 16:55:24,618 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 223 transitions, 1207 flow [2022-11-25 16:55:24,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:55:24,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 16:55:24,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2410 transitions. [2022-11-25 16:55:24,625 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4479553903345725 [2022-11-25 16:55:24,625 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2410 transitions. [2022-11-25 16:55:24,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2410 transitions. [2022-11-25 16:55:24,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:55:24,627 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2410 transitions. [2022-11-25 16:55:24,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 482.0) internal successors, (2410), 5 states have internal predecessors, (2410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:24,638 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1076.0) internal successors, (6456), 6 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:24,640 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1076.0) internal successors, (6456), 6 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:24,640 INFO L175 Difference]: Start difference. First operand has 131 places, 122 transitions, 419 flow. Second operand 5 states and 2410 transitions. [2022-11-25 16:55:24,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 223 transitions, 1207 flow [2022-11-25 16:55:24,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 223 transitions, 1187 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-25 16:55:24,664 INFO L231 Difference]: Finished difference. Result has 130 places, 105 transitions, 284 flow [2022-11-25 16:55:24,665 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1076, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=284, PETRI_PLACES=130, PETRI_TRANSITIONS=105} [2022-11-25 16:55:24,665 INFO L288 CegarLoopForPetriNet]: 149 programPoint places, -19 predicate places. [2022-11-25 16:55:24,665 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 105 transitions, 284 flow [2022-11-25 16:55:24,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 456.4) internal successors, (2282), 5 states have internal predecessors, (2282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:24,666 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:55:24,667 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:55:24,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 16:55:24,667 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-25 16:55:24,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:55:24,668 INFO L85 PathProgramCache]: Analyzing trace with hash 645108510, now seen corresponding path program 1 times [2022-11-25 16:55:24,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:55:24,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675338947] [2022-11-25 16:55:24,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:55:24,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:55:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:55:24,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 16:55:24,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:55:24,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675338947] [2022-11-25 16:55:24,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675338947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:55:24,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:55:24,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:55:24,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599444632] [2022-11-25 16:55:24,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:55:24,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:55:24,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:55:24,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:55:24,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:55:25,366 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 1076 [2022-11-25 16:55:25,368 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 105 transitions, 284 flow. Second operand has 5 states, 5 states have (on average 451.8) internal successors, (2259), 5 states have internal predecessors, (2259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:25,368 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:55:25,368 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 1076 [2022-11-25 16:55:25,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:55:26,153 INFO L130 PetriNetUnfolder]: 2752/5330 cut-off events. [2022-11-25 16:55:26,153 INFO L131 PetriNetUnfolder]: For 1413/1452 co-relation queries the response was YES. [2022-11-25 16:55:26,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11226 conditions, 5330 events. 2752/5330 cut-off events. For 1413/1452 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 32354 event pairs, 1170 based on Foata normal form. 96/5007 useless extension candidates. Maximal degree in co-relation 11206. Up to 2412 conditions per place. [2022-11-25 16:55:26,189 INFO L137 encePairwiseOnDemand]: 1070/1076 looper letters, 119 selfloop transitions, 4 changer transitions 44/199 dead transitions. [2022-11-25 16:55:26,189 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 199 transitions, 884 flow [2022-11-25 16:55:26,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:55:26,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 16:55:26,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2402 transitions. [2022-11-25 16:55:26,196 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.44646840148698885 [2022-11-25 16:55:26,196 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2402 transitions. [2022-11-25 16:55:26,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2402 transitions. [2022-11-25 16:55:26,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:55:26,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2402 transitions. [2022-11-25 16:55:26,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 480.4) internal successors, (2402), 5 states have internal predecessors, (2402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:26,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1076.0) internal successors, (6456), 6 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:26,210 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1076.0) internal successors, (6456), 6 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:26,211 INFO L175 Difference]: Start difference. First operand has 130 places, 105 transitions, 284 flow. Second operand 5 states and 2402 transitions. [2022-11-25 16:55:26,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 199 transitions, 884 flow [2022-11-25 16:55:26,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 199 transitions, 793 flow, removed 30 selfloop flow, removed 17 redundant places. [2022-11-25 16:55:26,221 INFO L231 Difference]: Finished difference. Result has 105 places, 92 transitions, 219 flow [2022-11-25 16:55:26,221 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1076, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=219, PETRI_PLACES=105, PETRI_TRANSITIONS=92} [2022-11-25 16:55:26,222 INFO L288 CegarLoopForPetriNet]: 149 programPoint places, -44 predicate places. [2022-11-25 16:55:26,222 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 92 transitions, 219 flow [2022-11-25 16:55:26,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 451.8) internal successors, (2259), 5 states have internal predecessors, (2259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:26,223 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:55:26,223 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:55:26,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 16:55:26,223 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-25 16:55:26,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:55:26,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1864825538, now seen corresponding path program 1 times [2022-11-25 16:55:26,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:55:26,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509630376] [2022-11-25 16:55:26,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:55:26,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:55:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:55:26,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 16:55:26,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:55:26,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509630376] [2022-11-25 16:55:26,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509630376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:55:26,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:55:26,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:55:26,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602465341] [2022-11-25 16:55:26,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:55:26,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:55:26,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:55:26,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:55:26,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:55:26,963 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 1076 [2022-11-25 16:55:26,966 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 92 transitions, 219 flow. Second operand has 5 states, 5 states have (on average 452.0) internal successors, (2260), 5 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:26,966 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:55:26,966 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 1076 [2022-11-25 16:55:26,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:55:27,483 INFO L130 PetriNetUnfolder]: 1627/3429 cut-off events. [2022-11-25 16:55:27,484 INFO L131 PetriNetUnfolder]: For 187/217 co-relation queries the response was YES. [2022-11-25 16:55:27,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6452 conditions, 3429 events. 1627/3429 cut-off events. For 187/217 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 20230 event pairs, 688 based on Foata normal form. 108/3312 useless extension candidates. Maximal degree in co-relation 6444. Up to 1386 conditions per place. [2022-11-25 16:55:27,490 INFO L137 encePairwiseOnDemand]: 1070/1076 looper letters, 0 selfloop transitions, 0 changer transitions 174/174 dead transitions. [2022-11-25 16:55:27,490 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 174 transitions, 696 flow [2022-11-25 16:55:27,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:55:27,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 16:55:27,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2376 transitions. [2022-11-25 16:55:27,495 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.441635687732342 [2022-11-25 16:55:27,496 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2376 transitions. [2022-11-25 16:55:27,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2376 transitions. [2022-11-25 16:55:27,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:55:27,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2376 transitions. [2022-11-25 16:55:27,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 475.2) internal successors, (2376), 5 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:27,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1076.0) internal successors, (6456), 6 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:27,508 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1076.0) internal successors, (6456), 6 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:27,508 INFO L175 Difference]: Start difference. First operand has 105 places, 92 transitions, 219 flow. Second operand 5 states and 2376 transitions. [2022-11-25 16:55:27,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 174 transitions, 696 flow [2022-11-25 16:55:27,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 174 transitions, 680 flow, removed 1 selfloop flow, removed 5 redundant places. [2022-11-25 16:55:27,512 INFO L231 Difference]: Finished difference. Result has 95 places, 0 transitions, 0 flow [2022-11-25 16:55:27,512 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1076, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=95, PETRI_TRANSITIONS=0} [2022-11-25 16:55:27,513 INFO L288 CegarLoopForPetriNet]: 149 programPoint places, -54 predicate places. [2022-11-25 16:55:27,513 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 0 transitions, 0 flow [2022-11-25 16:55:27,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 452.0) internal successors, (2260), 5 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:27,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (95 of 96 remaining) [2022-11-25 16:55:27,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (94 of 96 remaining) [2022-11-25 16:55:27,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (93 of 96 remaining) [2022-11-25 16:55:27,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (92 of 96 remaining) [2022-11-25 16:55:27,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (91 of 96 remaining) [2022-11-25 16:55:27,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (90 of 96 remaining) [2022-11-25 16:55:27,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (89 of 96 remaining) [2022-11-25 16:55:27,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (88 of 96 remaining) [2022-11-25 16:55:27,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (87 of 96 remaining) [2022-11-25 16:55:27,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (86 of 96 remaining) [2022-11-25 16:55:27,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (85 of 96 remaining) [2022-11-25 16:55:27,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (84 of 96 remaining) [2022-11-25 16:55:27,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (83 of 96 remaining) [2022-11-25 16:55:27,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (82 of 96 remaining) [2022-11-25 16:55:27,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (81 of 96 remaining) [2022-11-25 16:55:27,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (80 of 96 remaining) [2022-11-25 16:55:27,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (79 of 96 remaining) [2022-11-25 16:55:27,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (78 of 96 remaining) [2022-11-25 16:55:27,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (77 of 96 remaining) [2022-11-25 16:55:27,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (76 of 96 remaining) [2022-11-25 16:55:27,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (75 of 96 remaining) [2022-11-25 16:55:27,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (74 of 96 remaining) [2022-11-25 16:55:27,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (73 of 96 remaining) [2022-11-25 16:55:27,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (72 of 96 remaining) [2022-11-25 16:55:27,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (71 of 96 remaining) [2022-11-25 16:55:27,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (70 of 96 remaining) [2022-11-25 16:55:27,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (69 of 96 remaining) [2022-11-25 16:55:27,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (68 of 96 remaining) [2022-11-25 16:55:27,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (67 of 96 remaining) [2022-11-25 16:55:27,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (66 of 96 remaining) [2022-11-25 16:55:27,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (65 of 96 remaining) [2022-11-25 16:55:27,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (64 of 96 remaining) [2022-11-25 16:55:27,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (63 of 96 remaining) [2022-11-25 16:55:27,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (62 of 96 remaining) [2022-11-25 16:55:27,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (61 of 96 remaining) [2022-11-25 16:55:27,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (60 of 96 remaining) [2022-11-25 16:55:27,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (59 of 96 remaining) [2022-11-25 16:55:27,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (58 of 96 remaining) [2022-11-25 16:55:27,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (57 of 96 remaining) [2022-11-25 16:55:27,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (56 of 96 remaining) [2022-11-25 16:55:27,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (55 of 96 remaining) [2022-11-25 16:55:27,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (54 of 96 remaining) [2022-11-25 16:55:27,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (53 of 96 remaining) [2022-11-25 16:55:27,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (52 of 96 remaining) [2022-11-25 16:55:27,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (51 of 96 remaining) [2022-11-25 16:55:27,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (50 of 96 remaining) [2022-11-25 16:55:27,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (49 of 96 remaining) [2022-11-25 16:55:27,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (48 of 96 remaining) [2022-11-25 16:55:27,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (47 of 96 remaining) [2022-11-25 16:55:27,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (46 of 96 remaining) [2022-11-25 16:55:27,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (45 of 96 remaining) [2022-11-25 16:55:27,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (44 of 96 remaining) [2022-11-25 16:55:27,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (43 of 96 remaining) [2022-11-25 16:55:27,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (42 of 96 remaining) [2022-11-25 16:55:27,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (41 of 96 remaining) [2022-11-25 16:55:27,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (40 of 96 remaining) [2022-11-25 16:55:27,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 96 remaining) [2022-11-25 16:55:27,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 96 remaining) [2022-11-25 16:55:27,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (37 of 96 remaining) [2022-11-25 16:55:27,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (36 of 96 remaining) [2022-11-25 16:55:27,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (35 of 96 remaining) [2022-11-25 16:55:27,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (34 of 96 remaining) [2022-11-25 16:55:27,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (33 of 96 remaining) [2022-11-25 16:55:27,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (32 of 96 remaining) [2022-11-25 16:55:27,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (31 of 96 remaining) [2022-11-25 16:55:27,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (30 of 96 remaining) [2022-11-25 16:55:27,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (29 of 96 remaining) [2022-11-25 16:55:27,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (28 of 96 remaining) [2022-11-25 16:55:27,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (27 of 96 remaining) [2022-11-25 16:55:27,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 96 remaining) [2022-11-25 16:55:27,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 96 remaining) [2022-11-25 16:55:27,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (24 of 96 remaining) [2022-11-25 16:55:27,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (23 of 96 remaining) [2022-11-25 16:55:27,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (22 of 96 remaining) [2022-11-25 16:55:27,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (21 of 96 remaining) [2022-11-25 16:55:27,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (20 of 96 remaining) [2022-11-25 16:55:27,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (19 of 96 remaining) [2022-11-25 16:55:27,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (18 of 96 remaining) [2022-11-25 16:55:27,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (17 of 96 remaining) [2022-11-25 16:55:27,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (16 of 96 remaining) [2022-11-25 16:55:27,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 96 remaining) [2022-11-25 16:55:27,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (14 of 96 remaining) [2022-11-25 16:55:27,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (13 of 96 remaining) [2022-11-25 16:55:27,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 96 remaining) [2022-11-25 16:55:27,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (11 of 96 remaining) [2022-11-25 16:55:27,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (10 of 96 remaining) [2022-11-25 16:55:27,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 96 remaining) [2022-11-25 16:55:27,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (8 of 96 remaining) [2022-11-25 16:55:27,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 96 remaining) [2022-11-25 16:55:27,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 96 remaining) [2022-11-25 16:55:27,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (5 of 96 remaining) [2022-11-25 16:55:27,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (4 of 96 remaining) [2022-11-25 16:55:27,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (3 of 96 remaining) [2022-11-25 16:55:27,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (2 of 96 remaining) [2022-11-25 16:55:27,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (1 of 96 remaining) [2022-11-25 16:55:27,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (0 of 96 remaining) [2022-11-25 16:55:27,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 16:55:27,532 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:55:27,538 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 16:55:27,539 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:55:27,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:55:27 BasicIcfg [2022-11-25 16:55:27,542 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:55:27,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:55:27,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:55:27,543 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:55:27,544 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:54:44" (3/4) ... [2022-11-25 16:55:27,546 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 16:55:27,552 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-25 16:55:27,552 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-25 16:55:27,574 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-25 16:55:27,575 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 16:55:27,575 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 16:55:27,575 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 16:55:27,640 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf4c678-07ec-4864-b7fb-7610679639ef/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 16:55:27,641 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:55:27,641 INFO L158 Benchmark]: Toolchain (without parser) took 44706.57ms. Allocated memory was 127.9MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 91.8MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 883.6MB. Max. memory is 16.1GB. [2022-11-25 16:55:27,643 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 127.9MB. Free memory was 71.3MB in the beginning and 71.1MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:55:27,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.70ms. Allocated memory is still 127.9MB. Free memory was 91.8MB in the beginning and 79.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 16:55:27,643 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.63ms. Allocated memory is still 127.9MB. Free memory was 78.5MB in the beginning and 76.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:55:27,644 INFO L158 Benchmark]: Boogie Preprocessor took 56.11ms. Allocated memory is still 127.9MB. Free memory was 76.0MB in the beginning and 73.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:55:27,644 INFO L158 Benchmark]: RCFGBuilder took 1087.01ms. Allocated memory was 127.9MB in the beginning and 157.3MB in the end (delta: 29.4MB). Free memory was 73.4MB in the beginning and 115.9MB in the end (delta: -42.4MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2022-11-25 16:55:27,644 INFO L158 Benchmark]: TraceAbstraction took 43026.48ms. Allocated memory was 157.3MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 115.6MB in the beginning and 402.4MB in the end (delta: -286.8MB). Peak memory consumption was 873.0MB. Max. memory is 16.1GB. [2022-11-25 16:55:27,645 INFO L158 Benchmark]: Witness Printer took 97.77ms. Allocated memory is still 1.3GB. Free memory was 402.4MB in the beginning and 1.2GB in the end (delta: -780.1MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2022-11-25 16:55:27,647 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 127.9MB. Free memory was 71.3MB in the beginning and 71.1MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.70ms. Allocated memory is still 127.9MB. Free memory was 91.8MB in the beginning and 79.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.63ms. Allocated memory is still 127.9MB. Free memory was 78.5MB in the beginning and 76.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.11ms. Allocated memory is still 127.9MB. Free memory was 76.0MB in the beginning and 73.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1087.01ms. Allocated memory was 127.9MB in the beginning and 157.3MB in the end (delta: 29.4MB). Free memory was 73.4MB in the beginning and 115.9MB in the end (delta: -42.4MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * TraceAbstraction took 43026.48ms. Allocated memory was 157.3MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 115.6MB in the beginning and 402.4MB in the end (delta: -286.8MB). Peak memory consumption was 873.0MB. Max. memory is 16.1GB. * Witness Printer took 97.77ms. Allocated memory is still 1.3GB. Free memory was 402.4MB in the beginning and 1.2GB in the end (delta: -780.1MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.0s, 444 PlacesBefore, 149 PlacesAfterwards, 461 TransitionsBefore, 156 TransitionsAfterwards, 31968 CoEnabledTransitionPairs, 27 FixpointIterations, 232 TrivialSequentialCompositions, 309 ConcurrentSequentialCompositions, 29 TrivialYvCompositions, 12 ConcurrentYvCompositions, 10 ChoiceCompositions, 592 TotalNumberOfCompositions, 381136 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 126045, independent: 121410, independent conditional: 0, independent unconditional: 121410, dependent: 4635, dependent conditional: 0, dependent unconditional: 4635, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 29361, independent: 29064, independent conditional: 0, independent unconditional: 29064, dependent: 297, dependent conditional: 0, dependent unconditional: 297, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 29361, independent: 24055, independent conditional: 0, independent unconditional: 24055, dependent: 5306, dependent conditional: 0, dependent unconditional: 5306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5306, independent: 5009, independent conditional: 0, independent unconditional: 5009, dependent: 297, dependent conditional: 0, dependent unconditional: 297, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5520, independent: 4854, independent conditional: 0, independent unconditional: 4854, dependent: 666, dependent conditional: 0, dependent unconditional: 666, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 126045, independent: 92346, independent conditional: 0, independent unconditional: 92346, dependent: 4338, dependent conditional: 0, dependent unconditional: 4338, unknown: 29361, unknown conditional: 0, unknown unconditional: 29361] , Statistics on independence cache: Total cache size (in pairs): 4164, Positive cache size: 4022, Positive conditional cache size: 0, Positive unconditional cache size: 4022, Negative cache size: 142, Negative conditional cache size: 0, Negative unconditional cache size: 142, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: 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: 49]: 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: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: 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: 69]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: 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: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: 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: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: 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: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: 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: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: 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, 673 locations, 96 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: 42.7s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 20.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 19.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3968 SdHoareTripleChecker+Valid, 7.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2534 mSDsluCounter, 1203 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 951 mSDsCounter, 930 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7629 IncrementalHoareTripleChecker+Invalid, 8559 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 930 mSolverCounterUnsat, 252 mSDtfsCounter, 7629 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=426occurred in iteration=8, InterpolantAutomatonStates: 62, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 203 ConstructedInterpolants, 0 QuantifiedInterpolants, 701 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 10/10 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 56 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-25 16:55:27,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf4c678-07ec-4864-b7fb-7610679639ef/bin/uautomizer-ZsLfNo2U6R/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