./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/test-easy7.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02868e11-f749-49d2-9686-6ba258d87b4f/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02868e11-f749-49d2-9686-6ba258d87b4f/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02868e11-f749-49d2-9686-6ba258d87b4f/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02868e11-f749-49d2-9686-6ba258d87b4f/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/test-easy7.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02868e11-f749-49d2-9686-6ba258d87b4f/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02868e11-f749-49d2-9686-6ba258d87b4f/bin/uautomizer-tPACEb0tL8 --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 89875838ba00841ab95f284d6aeb82a1a762d2b06c5f173202307480dc57b4e4 --- 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-e04fb08 [2022-11-16 12:33:39,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:33:39,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:33:39,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:33:39,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:33:39,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:33:39,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:33:39,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:33:39,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:33:39,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:33:39,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:33:39,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:33:39,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:33:39,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:33:39,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:33:39,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:33:39,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:33:39,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:33:39,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:33:39,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:33:39,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:33:39,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:33:39,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:33:39,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:33:39,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:33:39,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:33:39,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:33:39,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:33:39,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:33:39,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:33:39,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:33:39,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:33:39,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:33:39,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:33:39,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:33:39,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:33:39,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:33:39,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:33:39,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:33:39,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:33:39,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:33:39,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02868e11-f749-49d2-9686-6ba258d87b4f/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 12:33:39,317 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:33:39,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:33:39,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:33:39,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:33:39,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:33:39,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:33:39,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:33:39,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:33:39,321 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:33:39,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:33:39,322 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:33:39,322 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:33:39,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:33:39,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:33:39,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:33:39,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:33:39,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:33:39,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:33:39,324 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 12:33:39,324 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:33:39,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:33:39,324 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:33:39,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:33:39,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:33:39,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:33:39,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:33:39,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:33:39,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:33:39,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:33:39,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:33:39,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:33:39,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:33:39,327 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:33:39,327 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:33:39,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:33:39,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02868e11-f749-49d2-9686-6ba258d87b4f/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02868e11-f749-49d2-9686-6ba258d87b4f/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89875838ba00841ab95f284d6aeb82a1a762d2b06c5f173202307480dc57b4e4 [2022-11-16 12:33:39,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:33:39,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:33:39,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:33:39,700 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:33:39,701 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:33:39,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02868e11-f749-49d2-9686-6ba258d87b4f/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/test-easy7.wvr.c [2022-11-16 12:33:39,766 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02868e11-f749-49d2-9686-6ba258d87b4f/bin/uautomizer-tPACEb0tL8/data/d4ec21d9f/4d51f747aaa74656910af2010a7c9bd4/FLAGa6a033b5f [2022-11-16 12:33:40,226 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:33:40,226 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02868e11-f749-49d2-9686-6ba258d87b4f/sv-benchmarks/c/weaver/test-easy7.wvr.c [2022-11-16 12:33:40,233 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02868e11-f749-49d2-9686-6ba258d87b4f/bin/uautomizer-tPACEb0tL8/data/d4ec21d9f/4d51f747aaa74656910af2010a7c9bd4/FLAGa6a033b5f [2022-11-16 12:33:40,254 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02868e11-f749-49d2-9686-6ba258d87b4f/bin/uautomizer-tPACEb0tL8/data/d4ec21d9f/4d51f747aaa74656910af2010a7c9bd4 [2022-11-16 12:33:40,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:33:40,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:33:40,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:33:40,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:33:40,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:33:40,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:33:40" (1/1) ... [2022-11-16 12:33:40,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211bcd03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:40, skipping insertion in model container [2022-11-16 12:33:40,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:33:40" (1/1) ... [2022-11-16 12:33:40,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:33:40,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:33:40,496 WARN L229 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_02868e11-f749-49d2-9686-6ba258d87b4f/sv-benchmarks/c/weaver/test-easy7.wvr.c[1872,1885] [2022-11-16 12:33:40,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:33:40,506 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:33:40,528 WARN L229 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_02868e11-f749-49d2-9686-6ba258d87b4f/sv-benchmarks/c/weaver/test-easy7.wvr.c[1872,1885] [2022-11-16 12:33:40,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:33:40,543 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:33:40,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:40 WrapperNode [2022-11-16 12:33:40,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:33:40,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:33:40,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:33:40,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:33:40,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:40" (1/1) ... [2022-11-16 12:33:40,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:40" (1/1) ... [2022-11-16 12:33:40,582 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-11-16 12:33:40,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:33:40,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:33:40,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:33:40,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:33:40,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:40" (1/1) ... [2022-11-16 12:33:40,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:40" (1/1) ... [2022-11-16 12:33:40,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:40" (1/1) ... [2022-11-16 12:33:40,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:40" (1/1) ... [2022-11-16 12:33:40,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:40" (1/1) ... [2022-11-16 12:33:40,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:40" (1/1) ... [2022-11-16 12:33:40,607 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:40" (1/1) ... [2022-11-16 12:33:40,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:40" (1/1) ... [2022-11-16 12:33:40,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:33:40,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:33:40,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:33:40,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:33:40,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:40" (1/1) ... [2022-11-16 12:33:40,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:33:40,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02868e11-f749-49d2-9686-6ba258d87b4f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:33:40,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02868e11-f749-49d2-9686-6ba258d87b4f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:33:40,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02868e11-f749-49d2-9686-6ba258d87b4f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:33:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:33:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 12:33:40,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 12:33:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 12:33:40,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 12:33:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:33:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:33:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:33:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:33:40,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:33:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:33:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:33:40,711 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 12:33:40,856 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:33:40,858 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:33:41,227 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:33:41,237 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:33:41,237 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 12:33:41,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:33:41 BoogieIcfgContainer [2022-11-16 12:33:41,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:33:41,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:33:41,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:33:41,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:33:41,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:33:40" (1/3) ... [2022-11-16 12:33:41,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2ef061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:33:41, skipping insertion in model container [2022-11-16 12:33:41,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:40" (2/3) ... [2022-11-16 12:33:41,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2ef061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:33:41, skipping insertion in model container [2022-11-16 12:33:41,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:33:41" (3/3) ... [2022-11-16 12:33:41,265 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy7.wvr.c [2022-11-16 12:33:41,273 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 12:33:41,284 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:33:41,284 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2022-11-16 12:33:41,284 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:33:41,392 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 12:33:41,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 196 places, 191 transitions, 398 flow [2022-11-16 12:33:41,541 INFO L130 PetriNetUnfolder]: 2/189 cut-off events. [2022-11-16 12:33:41,541 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 12:33:41,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 189 events. 2/189 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 189 event pairs, 0 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 101. Up to 2 conditions per place. [2022-11-16 12:33:41,546 INFO L82 GeneralOperation]: Start removeDead. Operand has 196 places, 191 transitions, 398 flow [2022-11-16 12:33:41,552 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 177 places, 171 transitions, 354 flow [2022-11-16 12:33:41,563 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:33:41,571 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;@209b2f16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:33:41,571 INFO L358 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2022-11-16 12:33:41,578 INFO L130 PetriNetUnfolder]: 0/19 cut-off events. [2022-11-16 12:33:41,578 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:33:41,578 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:41,579 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:41,580 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2022-11-16 12:33:41,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:41,585 INFO L85 PathProgramCache]: Analyzing trace with hash 555690646, now seen corresponding path program 1 times [2022-11-16 12:33:41,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:41,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493621628] [2022-11-16 12:33:41,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:41,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:41,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:41,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493621628] [2022-11-16 12:33:41,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493621628] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:41,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:41,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:33:41,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288348183] [2022-11-16 12:33:41,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:41,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:33:41,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:41,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:33:41,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:33:41,892 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 191 [2022-11-16 12:33:41,899 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 171 transitions, 354 flow. Second operand has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 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) [2022-11-16 12:33:41,899 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:41,899 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 191 [2022-11-16 12:33:41,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:42,143 INFO L130 PetriNetUnfolder]: 24/239 cut-off events. [2022-11-16 12:33:42,144 INFO L131 PetriNetUnfolder]: For 80/81 co-relation queries the response was YES. [2022-11-16 12:33:42,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 360 conditions, 239 events. 24/239 cut-off events. For 80/81 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 815 event pairs, 24 based on Foata normal form. 1/188 useless extension candidates. Maximal degree in co-relation 278. Up to 86 conditions per place. [2022-11-16 12:33:42,150 INFO L137 encePairwiseOnDemand]: 187/191 looper letters, 37 selfloop transitions, 2 changer transitions 1/169 dead transitions. [2022-11-16 12:33:42,151 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 169 transitions, 428 flow [2022-11-16 12:33:42,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:33:42,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:33:42,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 485 transitions. [2022-11-16 12:33:42,174 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8464223385689355 [2022-11-16 12:33:42,174 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 485 transitions. [2022-11-16 12:33:42,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 485 transitions. [2022-11-16 12:33:42,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:42,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 485 transitions. [2022-11-16 12:33:42,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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) [2022-11-16 12:33:42,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:42,197 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:42,199 INFO L175 Difference]: Start difference. First operand has 177 places, 171 transitions, 354 flow. Second operand 3 states and 485 transitions. [2022-11-16 12:33:42,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 169 transitions, 428 flow [2022-11-16 12:33:42,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 169 transitions, 420 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:33:42,211 INFO L231 Difference]: Finished difference. Result has 174 places, 168 transitions, 344 flow [2022-11-16 12:33:42,213 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=174, PETRI_TRANSITIONS=168} [2022-11-16 12:33:42,217 INFO L288 CegarLoopForPetriNet]: 177 programPoint places, -3 predicate places. [2022-11-16 12:33:42,218 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 168 transitions, 344 flow [2022-11-16 12:33:42,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 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) [2022-11-16 12:33:42,218 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:42,218 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:42,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:33:42,219 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2022-11-16 12:33:42,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:42,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1833145910, now seen corresponding path program 1 times [2022-11-16 12:33:42,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:42,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209862241] [2022-11-16 12:33:42,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:42,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:42,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:42,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:42,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209862241] [2022-11-16 12:33:42,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209862241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:42,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:42,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:33:42,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605425506] [2022-11-16 12:33:42,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:42,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:33:42,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:42,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:33:42,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:33:42,302 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 191 [2022-11-16 12:33:42,302 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 168 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 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) [2022-11-16 12:33:42,303 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:42,303 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 191 [2022-11-16 12:33:42,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:42,405 INFO L130 PetriNetUnfolder]: 24/237 cut-off events. [2022-11-16 12:33:42,406 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 12:33:42,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 354 conditions, 237 events. 24/237 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 724 event pairs, 24 based on Foata normal form. 0/205 useless extension candidates. Maximal degree in co-relation 326. Up to 85 conditions per place. [2022-11-16 12:33:42,408 INFO L137 encePairwiseOnDemand]: 188/191 looper letters, 36 selfloop transitions, 2 changer transitions 0/167 dead transitions. [2022-11-16 12:33:42,408 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 167 transitions, 418 flow [2022-11-16 12:33:42,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:33:42,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:33:42,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 483 transitions. [2022-11-16 12:33:42,410 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8429319371727748 [2022-11-16 12:33:42,410 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 483 transitions. [2022-11-16 12:33:42,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 483 transitions. [2022-11-16 12:33:42,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:42,411 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 483 transitions. [2022-11-16 12:33:42,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 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) [2022-11-16 12:33:42,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:42,415 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:42,415 INFO L175 Difference]: Start difference. First operand has 174 places, 168 transitions, 344 flow. Second operand 3 states and 483 transitions. [2022-11-16 12:33:42,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 167 transitions, 418 flow [2022-11-16 12:33:42,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 167 transitions, 414 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:33:42,419 INFO L231 Difference]: Finished difference. Result has 172 places, 167 transitions, 342 flow [2022-11-16 12:33:42,420 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=172, PETRI_TRANSITIONS=167} [2022-11-16 12:33:42,421 INFO L288 CegarLoopForPetriNet]: 177 programPoint places, -5 predicate places. [2022-11-16 12:33:42,421 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 167 transitions, 342 flow [2022-11-16 12:33:42,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 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) [2022-11-16 12:33:42,422 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:42,422 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:42,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:33:42,422 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2022-11-16 12:33:42,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:42,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1495053983, now seen corresponding path program 1 times [2022-11-16 12:33:42,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:42,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436328271] [2022-11-16 12:33:42,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:42,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:42,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:42,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:42,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436328271] [2022-11-16 12:33:42,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436328271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:42,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:42,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:33:42,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885121362] [2022-11-16 12:33:42,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:42,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:33:42,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:42,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:33:42,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:33:42,525 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 191 [2022-11-16 12:33:42,526 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 167 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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) [2022-11-16 12:33:42,526 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:42,526 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 191 [2022-11-16 12:33:42,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:42,621 INFO L130 PetriNetUnfolder]: 20/231 cut-off events. [2022-11-16 12:33:42,622 INFO L131 PetriNetUnfolder]: For 22/23 co-relation queries the response was YES. [2022-11-16 12:33:42,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 231 events. 20/231 cut-off events. For 22/23 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 783 event pairs, 13 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 273. Up to 40 conditions per place. [2022-11-16 12:33:42,624 INFO L137 encePairwiseOnDemand]: 176/191 looper letters, 22 selfloop transitions, 9 changer transitions 0/162 dead transitions. [2022-11-16 12:33:42,624 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 162 transitions, 395 flow [2022-11-16 12:33:42,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:33:42,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:33:42,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 490 transitions. [2022-11-16 12:33:42,626 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8551483420593369 [2022-11-16 12:33:42,626 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 490 transitions. [2022-11-16 12:33:42,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 490 transitions. [2022-11-16 12:33:42,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:42,627 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 490 transitions. [2022-11-16 12:33:42,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 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) [2022-11-16 12:33:42,630 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:42,631 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:42,631 INFO L175 Difference]: Start difference. First operand has 172 places, 167 transitions, 342 flow. Second operand 3 states and 490 transitions. [2022-11-16 12:33:42,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 162 transitions, 395 flow [2022-11-16 12:33:42,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 162 transitions, 391 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:33:42,636 INFO L231 Difference]: Finished difference. Result has 166 places, 161 transitions, 344 flow [2022-11-16 12:33:42,636 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=166, PETRI_TRANSITIONS=161} [2022-11-16 12:33:42,637 INFO L288 CegarLoopForPetriNet]: 177 programPoint places, -11 predicate places. [2022-11-16 12:33:42,637 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 161 transitions, 344 flow [2022-11-16 12:33:42,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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) [2022-11-16 12:33:42,638 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:42,638 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:42,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:33:42,639 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2022-11-16 12:33:42,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:42,640 INFO L85 PathProgramCache]: Analyzing trace with hash -2067158046, now seen corresponding path program 1 times [2022-11-16 12:33:42,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:42,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260133913] [2022-11-16 12:33:42,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:42,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:42,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:42,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:42,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260133913] [2022-11-16 12:33:42,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260133913] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:42,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:42,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:33:42,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245556304] [2022-11-16 12:33:42,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:42,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:33:42,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:42,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:33:42,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:33:42,700 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 191 [2022-11-16 12:33:42,701 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 161 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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) [2022-11-16 12:33:42,701 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:42,701 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 191 [2022-11-16 12:33:42,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:42,833 INFO L130 PetriNetUnfolder]: 20/217 cut-off events. [2022-11-16 12:33:42,834 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 12:33:42,834 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 217 events. 20/217 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 578 event pairs, 8 based on Foata normal form. 1/202 useless extension candidates. Maximal degree in co-relation 233. Up to 41 conditions per place. [2022-11-16 12:33:42,835 INFO L137 encePairwiseOnDemand]: 176/191 looper letters, 20 selfloop transitions, 8 changer transitions 5/156 dead transitions. [2022-11-16 12:33:42,835 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 156 transitions, 395 flow [2022-11-16 12:33:42,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:33:42,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:33:42,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 489 transitions. [2022-11-16 12:33:42,838 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8534031413612565 [2022-11-16 12:33:42,839 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 489 transitions. [2022-11-16 12:33:42,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 489 transitions. [2022-11-16 12:33:42,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:42,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 489 transitions. [2022-11-16 12:33:42,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 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) [2022-11-16 12:33:42,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:42,847 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:42,847 INFO L175 Difference]: Start difference. First operand has 166 places, 161 transitions, 344 flow. Second operand 3 states and 489 transitions. [2022-11-16 12:33:42,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 156 transitions, 395 flow [2022-11-16 12:33:42,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 156 transitions, 377 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:33:42,852 INFO L231 Difference]: Finished difference. Result has 160 places, 150 transitions, 319 flow [2022-11-16 12:33:42,854 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=319, PETRI_PLACES=160, PETRI_TRANSITIONS=150} [2022-11-16 12:33:42,855 INFO L288 CegarLoopForPetriNet]: 177 programPoint places, -17 predicate places. [2022-11-16 12:33:42,855 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 150 transitions, 319 flow [2022-11-16 12:33:42,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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) [2022-11-16 12:33:42,861 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:42,861 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:42,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:33:42,862 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2022-11-16 12:33:42,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:42,862 INFO L85 PathProgramCache]: Analyzing trace with hash -301478275, now seen corresponding path program 1 times [2022-11-16 12:33:42,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:42,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920423925] [2022-11-16 12:33:42,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:42,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:42,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:42,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:42,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920423925] [2022-11-16 12:33:42,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920423925] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:42,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:42,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:33:42,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537753967] [2022-11-16 12:33:42,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:42,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:33:42,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:42,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:33:42,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:33:42,953 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 191 [2022-11-16 12:33:42,954 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 150 transitions, 319 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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) [2022-11-16 12:33:42,954 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:42,954 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 191 [2022-11-16 12:33:42,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:43,029 INFO L130 PetriNetUnfolder]: 21/211 cut-off events. [2022-11-16 12:33:43,029 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-11-16 12:33:43,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 322 conditions, 211 events. 21/211 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 581 event pairs, 19 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 98. Up to 65 conditions per place. [2022-11-16 12:33:43,031 INFO L137 encePairwiseOnDemand]: 188/191 looper letters, 27 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2022-11-16 12:33:43,031 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 150 transitions, 378 flow [2022-11-16 12:33:43,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:33:43,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:33:43,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 477 transitions. [2022-11-16 12:33:43,033 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8324607329842932 [2022-11-16 12:33:43,033 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 477 transitions. [2022-11-16 12:33:43,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 477 transitions. [2022-11-16 12:33:43,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:43,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 477 transitions. [2022-11-16 12:33:43,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 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) [2022-11-16 12:33:43,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:43,038 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:43,038 INFO L175 Difference]: Start difference. First operand has 160 places, 150 transitions, 319 flow. Second operand 3 states and 477 transitions. [2022-11-16 12:33:43,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 150 transitions, 378 flow [2022-11-16 12:33:43,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 150 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:33:43,042 INFO L231 Difference]: Finished difference. Result has 154 places, 149 transitions, 305 flow [2022-11-16 12:33:43,042 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=305, PETRI_PLACES=154, PETRI_TRANSITIONS=149} [2022-11-16 12:33:43,043 INFO L288 CegarLoopForPetriNet]: 177 programPoint places, -23 predicate places. [2022-11-16 12:33:43,043 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 149 transitions, 305 flow [2022-11-16 12:33:43,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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) [2022-11-16 12:33:43,044 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:43,044 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:43,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:33:43,045 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2022-11-16 12:33:43,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:43,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1650629032, now seen corresponding path program 1 times [2022-11-16 12:33:43,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:43,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934116757] [2022-11-16 12:33:43,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:43,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:43,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:43,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:43,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934116757] [2022-11-16 12:33:43,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934116757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:43,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:43,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:33:43,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420438736] [2022-11-16 12:33:43,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:43,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:33:43,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:43,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:33:43,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:33:43,110 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 191 [2022-11-16 12:33:43,110 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 149 transitions, 305 flow. Second operand has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 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) [2022-11-16 12:33:43,111 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:43,111 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 191 [2022-11-16 12:33:43,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:43,190 INFO L130 PetriNetUnfolder]: 21/218 cut-off events. [2022-11-16 12:33:43,190 INFO L131 PetriNetUnfolder]: For 22/23 co-relation queries the response was YES. [2022-11-16 12:33:43,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 295 conditions, 218 events. 21/218 cut-off events. For 22/23 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 753 event pairs, 4 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 233. Up to 65 conditions per place. [2022-11-16 12:33:43,192 INFO L137 encePairwiseOnDemand]: 188/191 looper letters, 27 selfloop transitions, 2 changer transitions 0/149 dead transitions. [2022-11-16 12:33:43,192 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 149 transitions, 364 flow [2022-11-16 12:33:43,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:33:43,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:33:43,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 477 transitions. [2022-11-16 12:33:43,194 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8324607329842932 [2022-11-16 12:33:43,194 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 477 transitions. [2022-11-16 12:33:43,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 477 transitions. [2022-11-16 12:33:43,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:43,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 477 transitions. [2022-11-16 12:33:43,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 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) [2022-11-16 12:33:43,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:43,198 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:43,198 INFO L175 Difference]: Start difference. First operand has 154 places, 149 transitions, 305 flow. Second operand 3 states and 477 transitions. [2022-11-16 12:33:43,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 149 transitions, 364 flow [2022-11-16 12:33:43,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 149 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:33:43,201 INFO L231 Difference]: Finished difference. Result has 153 places, 148 transitions, 303 flow [2022-11-16 12:33:43,201 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=299, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=303, PETRI_PLACES=153, PETRI_TRANSITIONS=148} [2022-11-16 12:33:43,202 INFO L288 CegarLoopForPetriNet]: 177 programPoint places, -24 predicate places. [2022-11-16 12:33:43,202 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 148 transitions, 303 flow [2022-11-16 12:33:43,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 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) [2022-11-16 12:33:43,203 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:43,203 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:43,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:33:43,204 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2022-11-16 12:33:43,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:43,204 INFO L85 PathProgramCache]: Analyzing trace with hash 736781079, now seen corresponding path program 1 times [2022-11-16 12:33:43,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:43,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977457436] [2022-11-16 12:33:43,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:43,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:43,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:43,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:43,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977457436] [2022-11-16 12:33:43,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977457436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:43,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:43,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:33:43,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933731384] [2022-11-16 12:33:43,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:43,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:33:43,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:43,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:33:43,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:33:43,718 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 191 [2022-11-16 12:33:43,719 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 148 transitions, 303 flow. Second operand has 6 states, 6 states have (on average 167.83333333333334) internal successors, (1007), 6 states have internal predecessors, (1007), 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) [2022-11-16 12:33:43,719 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:43,719 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 191 [2022-11-16 12:33:43,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:43,790 INFO L130 PetriNetUnfolder]: 0/147 cut-off events. [2022-11-16 12:33:43,790 INFO L131 PetriNetUnfolder]: For 1/8 co-relation queries the response was YES. [2022-11-16 12:33:43,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 147 events. 0/147 cut-off events. For 1/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 134 event pairs, 0 based on Foata normal form. 4/144 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2022-11-16 12:33:43,791 INFO L137 encePairwiseOnDemand]: 186/191 looper letters, 14 selfloop transitions, 4 changer transitions 0/147 dead transitions. [2022-11-16 12:33:43,791 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 147 transitions, 337 flow [2022-11-16 12:33:43,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:33:43,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:33:43,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1015 transitions. [2022-11-16 12:33:43,794 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8856893542757417 [2022-11-16 12:33:43,794 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1015 transitions. [2022-11-16 12:33:43,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1015 transitions. [2022-11-16 12:33:43,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:43,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1015 transitions. [2022-11-16 12:33:43,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 169.16666666666666) internal successors, (1015), 6 states have internal predecessors, (1015), 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) [2022-11-16 12:33:43,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 191.0) internal successors, (1337), 7 states have internal predecessors, (1337), 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) [2022-11-16 12:33:43,801 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 191.0) internal successors, (1337), 7 states have internal predecessors, (1337), 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) [2022-11-16 12:33:43,801 INFO L175 Difference]: Start difference. First operand has 153 places, 148 transitions, 303 flow. Second operand 6 states and 1015 transitions. [2022-11-16 12:33:43,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 147 transitions, 337 flow [2022-11-16 12:33:43,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 147 transitions, 333 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:33:43,804 INFO L231 Difference]: Finished difference. Result has 155 places, 147 transitions, 305 flow [2022-11-16 12:33:43,805 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=305, PETRI_PLACES=155, PETRI_TRANSITIONS=147} [2022-11-16 12:33:43,805 INFO L288 CegarLoopForPetriNet]: 177 programPoint places, -22 predicate places. [2022-11-16 12:33:43,806 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 147 transitions, 305 flow [2022-11-16 12:33:43,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 167.83333333333334) internal successors, (1007), 6 states have internal predecessors, (1007), 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) [2022-11-16 12:33:43,806 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:43,806 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:43,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:33:43,807 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2022-11-16 12:33:43,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:43,807 INFO L85 PathProgramCache]: Analyzing trace with hash -483038413, now seen corresponding path program 1 times [2022-11-16 12:33:43,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:43,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551908765] [2022-11-16 12:33:43,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:43,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:43,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:43,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:43,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551908765] [2022-11-16 12:33:43,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551908765] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:43,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:43,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:33:43,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176095242] [2022-11-16 12:33:43,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:43,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:33:43,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:43,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:33:43,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:33:43,870 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 191 [2022-11-16 12:33:43,871 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 147 transitions, 305 flow. Second operand has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 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) [2022-11-16 12:33:43,871 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:43,871 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 191 [2022-11-16 12:33:43,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:43,948 INFO L130 PetriNetUnfolder]: 20/206 cut-off events. [2022-11-16 12:33:43,948 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 12:33:43,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 206 events. 20/206 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 532 event pairs, 18 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 280. Up to 62 conditions per place. [2022-11-16 12:33:43,949 INFO L137 encePairwiseOnDemand]: 188/191 looper letters, 26 selfloop transitions, 2 changer transitions 0/147 dead transitions. [2022-11-16 12:33:43,950 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 147 transitions, 362 flow [2022-11-16 12:33:43,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:33:43,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:33:43,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2022-11-16 12:33:43,952 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8307155322862129 [2022-11-16 12:33:43,952 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 476 transitions. [2022-11-16 12:33:43,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 476 transitions. [2022-11-16 12:33:43,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:43,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 476 transitions. [2022-11-16 12:33:43,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 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) [2022-11-16 12:33:43,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:43,967 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:43,967 INFO L175 Difference]: Start difference. First operand has 155 places, 147 transitions, 305 flow. Second operand 3 states and 476 transitions. [2022-11-16 12:33:43,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 147 transitions, 362 flow [2022-11-16 12:33:43,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 147 transitions, 355 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:33:43,971 INFO L231 Difference]: Finished difference. Result has 152 places, 146 transitions, 300 flow [2022-11-16 12:33:43,971 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=300, PETRI_PLACES=152, PETRI_TRANSITIONS=146} [2022-11-16 12:33:43,975 INFO L288 CegarLoopForPetriNet]: 177 programPoint places, -25 predicate places. [2022-11-16 12:33:43,975 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 146 transitions, 300 flow [2022-11-16 12:33:43,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 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) [2022-11-16 12:33:43,975 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:43,976 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:43,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:33:43,976 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2022-11-16 12:33:43,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:43,976 INFO L85 PathProgramCache]: Analyzing trace with hash 442657174, now seen corresponding path program 1 times [2022-11-16 12:33:43,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:43,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309219480] [2022-11-16 12:33:43,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:43,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:44,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:44,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:44,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309219480] [2022-11-16 12:33:44,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309219480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:44,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:44,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:33:44,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44451500] [2022-11-16 12:33:44,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:44,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:33:44,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:44,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:33:44,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:33:44,051 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 191 [2022-11-16 12:33:44,051 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 146 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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) [2022-11-16 12:33:44,051 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:44,052 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 191 [2022-11-16 12:33:44,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:44,123 INFO L130 PetriNetUnfolder]: 20/213 cut-off events. [2022-11-16 12:33:44,123 INFO L131 PetriNetUnfolder]: For 21/22 co-relation queries the response was YES. [2022-11-16 12:33:44,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 213 events. 20/213 cut-off events. For 21/22 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 711 event pairs, 8 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 221. Up to 62 conditions per place. [2022-11-16 12:33:44,126 INFO L137 encePairwiseOnDemand]: 188/191 looper letters, 26 selfloop transitions, 2 changer transitions 0/146 dead transitions. [2022-11-16 12:33:44,126 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 146 transitions, 357 flow [2022-11-16 12:33:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:33:44,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:33:44,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2022-11-16 12:33:44,128 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8307155322862129 [2022-11-16 12:33:44,129 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 476 transitions. [2022-11-16 12:33:44,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 476 transitions. [2022-11-16 12:33:44,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:44,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 476 transitions. [2022-11-16 12:33:44,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 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) [2022-11-16 12:33:44,132 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:44,133 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:44,133 INFO L175 Difference]: Start difference. First operand has 152 places, 146 transitions, 300 flow. Second operand 3 states and 476 transitions. [2022-11-16 12:33:44,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 146 transitions, 357 flow [2022-11-16 12:33:44,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 146 transitions, 353 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:33:44,136 INFO L231 Difference]: Finished difference. Result has 151 places, 145 transitions, 298 flow [2022-11-16 12:33:44,137 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=298, PETRI_PLACES=151, PETRI_TRANSITIONS=145} [2022-11-16 12:33:44,138 INFO L288 CegarLoopForPetriNet]: 177 programPoint places, -26 predicate places. [2022-11-16 12:33:44,138 INFO L495 AbstractCegarLoop]: Abstraction has has 151 places, 145 transitions, 298 flow [2022-11-16 12:33:44,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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) [2022-11-16 12:33:44,139 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:44,139 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:44,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 12:33:44,139 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2022-11-16 12:33:44,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:44,140 INFO L85 PathProgramCache]: Analyzing trace with hash 213218760, now seen corresponding path program 1 times [2022-11-16 12:33:44,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:44,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079513317] [2022-11-16 12:33:44,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:44,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:44,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:44,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:44,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079513317] [2022-11-16 12:33:44,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079513317] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:44,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:44,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:33:44,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370705396] [2022-11-16 12:33:44,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:44,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:33:44,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:44,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:33:44,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:33:44,205 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 191 [2022-11-16 12:33:44,205 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 145 transitions, 298 flow. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 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) [2022-11-16 12:33:44,205 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:44,205 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 191 [2022-11-16 12:33:44,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:44,268 INFO L130 PetriNetUnfolder]: 19/202 cut-off events. [2022-11-16 12:33:44,268 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 12:33:44,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 293 conditions, 202 events. 19/202 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 524 event pairs, 17 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 262. Up to 59 conditions per place. [2022-11-16 12:33:44,271 INFO L137 encePairwiseOnDemand]: 188/191 looper letters, 25 selfloop transitions, 2 changer transitions 0/145 dead transitions. [2022-11-16 12:33:44,271 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 145 transitions, 353 flow [2022-11-16 12:33:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:33:44,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:33:44,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 475 transitions. [2022-11-16 12:33:44,273 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8289703315881326 [2022-11-16 12:33:44,274 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 475 transitions. [2022-11-16 12:33:44,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 475 transitions. [2022-11-16 12:33:44,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:44,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 475 transitions. [2022-11-16 12:33:44,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 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) [2022-11-16 12:33:44,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:44,277 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:44,277 INFO L175 Difference]: Start difference. First operand has 151 places, 145 transitions, 298 flow. Second operand 3 states and 475 transitions. [2022-11-16 12:33:44,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 145 transitions, 353 flow [2022-11-16 12:33:44,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 145 transitions, 349 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:33:44,302 INFO L231 Difference]: Finished difference. Result has 150 places, 144 transitions, 296 flow [2022-11-16 12:33:44,303 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=296, PETRI_PLACES=150, PETRI_TRANSITIONS=144} [2022-11-16 12:33:44,304 INFO L288 CegarLoopForPetriNet]: 177 programPoint places, -27 predicate places. [2022-11-16 12:33:44,304 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 144 transitions, 296 flow [2022-11-16 12:33:44,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 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) [2022-11-16 12:33:44,305 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:44,305 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:44,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 12:33:44,306 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2022-11-16 12:33:44,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:44,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1628807181, now seen corresponding path program 1 times [2022-11-16 12:33:44,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:44,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846315665] [2022-11-16 12:33:44,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:44,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:44,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:44,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:44,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846315665] [2022-11-16 12:33:44,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846315665] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:44,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:44,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:33:44,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808393042] [2022-11-16 12:33:44,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:44,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:33:44,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:44,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:33:44,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:33:44,350 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 191 [2022-11-16 12:33:44,351 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 144 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:44,351 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:44,351 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 191 [2022-11-16 12:33:44,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:44,418 INFO L130 PetriNetUnfolder]: 19/209 cut-off events. [2022-11-16 12:33:44,418 INFO L131 PetriNetUnfolder]: For 20/21 co-relation queries the response was YES. [2022-11-16 12:33:44,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 209 events. 19/209 cut-off events. For 20/21 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 681 event pairs, 12 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 214. Up to 59 conditions per place. [2022-11-16 12:33:44,420 INFO L137 encePairwiseOnDemand]: 188/191 looper letters, 25 selfloop transitions, 2 changer transitions 0/144 dead transitions. [2022-11-16 12:33:44,420 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 144 transitions, 351 flow [2022-11-16 12:33:44,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:33:44,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:33:44,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 475 transitions. [2022-11-16 12:33:44,422 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8289703315881326 [2022-11-16 12:33:44,422 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 475 transitions. [2022-11-16 12:33:44,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 475 transitions. [2022-11-16 12:33:44,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:44,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 475 transitions. [2022-11-16 12:33:44,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 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) [2022-11-16 12:33:44,427 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:44,427 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:44,427 INFO L175 Difference]: Start difference. First operand has 150 places, 144 transitions, 296 flow. Second operand 3 states and 475 transitions. [2022-11-16 12:33:44,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 144 transitions, 351 flow [2022-11-16 12:33:44,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 144 transitions, 347 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:33:44,430 INFO L231 Difference]: Finished difference. Result has 149 places, 143 transitions, 294 flow [2022-11-16 12:33:44,431 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=294, PETRI_PLACES=149, PETRI_TRANSITIONS=143} [2022-11-16 12:33:44,431 INFO L288 CegarLoopForPetriNet]: 177 programPoint places, -28 predicate places. [2022-11-16 12:33:44,431 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 143 transitions, 294 flow [2022-11-16 12:33:44,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:44,432 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:44,432 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:44,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 12:33:44,432 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2022-11-16 12:33:44,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:44,433 INFO L85 PathProgramCache]: Analyzing trace with hash -817414818, now seen corresponding path program 1 times [2022-11-16 12:33:44,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:44,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961675649] [2022-11-16 12:33:44,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:44,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:44,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:44,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:44,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961675649] [2022-11-16 12:33:44,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961675649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:44,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:44,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:33:44,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120477263] [2022-11-16 12:33:44,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:44,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:33:44,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:44,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:33:44,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:33:44,478 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 191 [2022-11-16 12:33:44,478 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 143 transitions, 294 flow. Second operand has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:44,479 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:44,479 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 191 [2022-11-16 12:33:44,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:44,551 INFO L130 PetriNetUnfolder]: 18/198 cut-off events. [2022-11-16 12:33:44,551 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 12:33:44,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 198 events. 18/198 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 526 event pairs, 16 based on Foata normal form. 0/194 useless extension candidates. Maximal degree in co-relation 264. Up to 56 conditions per place. [2022-11-16 12:33:44,552 INFO L137 encePairwiseOnDemand]: 188/191 looper letters, 24 selfloop transitions, 2 changer transitions 0/143 dead transitions. [2022-11-16 12:33:44,552 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 143 transitions, 347 flow [2022-11-16 12:33:44,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:33:44,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:33:44,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2022-11-16 12:33:44,554 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8272251308900523 [2022-11-16 12:33:44,554 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 474 transitions. [2022-11-16 12:33:44,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 474 transitions. [2022-11-16 12:33:44,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:44,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 474 transitions. [2022-11-16 12:33:44,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 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) [2022-11-16 12:33:44,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:44,558 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:44,558 INFO L175 Difference]: Start difference. First operand has 149 places, 143 transitions, 294 flow. Second operand 3 states and 474 transitions. [2022-11-16 12:33:44,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 143 transitions, 347 flow [2022-11-16 12:33:44,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 143 transitions, 343 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:33:44,566 INFO L231 Difference]: Finished difference. Result has 148 places, 142 transitions, 292 flow [2022-11-16 12:33:44,566 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=292, PETRI_PLACES=148, PETRI_TRANSITIONS=142} [2022-11-16 12:33:44,567 INFO L288 CegarLoopForPetriNet]: 177 programPoint places, -29 predicate places. [2022-11-16 12:33:44,567 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 142 transitions, 292 flow [2022-11-16 12:33:44,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:33:44,568 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:44,568 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:44,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 12:33:44,569 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2022-11-16 12:33:44,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:44,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1030947647, now seen corresponding path program 1 times [2022-11-16 12:33:44,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:44,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060857088] [2022-11-16 12:33:44,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:44,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:44,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:44,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:44,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060857088] [2022-11-16 12:33:44,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060857088] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:44,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:44,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:33:44,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764184581] [2022-11-16 12:33:44,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:44,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:33:44,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:44,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:33:44,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:33:44,618 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 191 [2022-11-16 12:33:44,619 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 142 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 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) [2022-11-16 12:33:44,619 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:44,619 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 191 [2022-11-16 12:33:44,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:44,678 INFO L130 PetriNetUnfolder]: 18/197 cut-off events. [2022-11-16 12:33:44,678 INFO L131 PetriNetUnfolder]: For 19/20 co-relation queries the response was YES. [2022-11-16 12:33:44,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 197 events. 18/197 cut-off events. For 19/20 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 619 event pairs, 16 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 199. Up to 56 conditions per place. [2022-11-16 12:33:44,679 INFO L137 encePairwiseOnDemand]: 188/191 looper letters, 24 selfloop transitions, 2 changer transitions 1/142 dead transitions. [2022-11-16 12:33:44,679 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 142 transitions, 345 flow [2022-11-16 12:33:44,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:33:44,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:33:44,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2022-11-16 12:33:44,681 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8272251308900523 [2022-11-16 12:33:44,681 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 474 transitions. [2022-11-16 12:33:44,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 474 transitions. [2022-11-16 12:33:44,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:44,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 474 transitions. [2022-11-16 12:33:44,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 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) [2022-11-16 12:33:44,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:44,685 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-16 12:33:44,685 INFO L175 Difference]: Start difference. First operand has 148 places, 142 transitions, 292 flow. Second operand 3 states and 474 transitions. [2022-11-16 12:33:44,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 142 transitions, 345 flow [2022-11-16 12:33:44,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 142 transitions, 341 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:33:44,688 INFO L231 Difference]: Finished difference. Result has 147 places, 140 transitions, 288 flow [2022-11-16 12:33:44,688 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=147, PETRI_TRANSITIONS=140} [2022-11-16 12:33:44,690 INFO L288 CegarLoopForPetriNet]: 177 programPoint places, -30 predicate places. [2022-11-16 12:33:44,690 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 140 transitions, 288 flow [2022-11-16 12:33:44,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 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) [2022-11-16 12:33:44,690 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:33:44,690 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:44,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 12:33:44,691 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2022-11-16 12:33:44,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:44,691 INFO L85 PathProgramCache]: Analyzing trace with hash -469153590, now seen corresponding path program 1 times [2022-11-16 12:33:44,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:44,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900696567] [2022-11-16 12:33:44,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:44,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:45,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:45,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:45,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900696567] [2022-11-16 12:33:45,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900696567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:45,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:45,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:33:45,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053130089] [2022-11-16 12:33:45,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:45,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:33:45,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:45,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:33:45,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:33:45,206 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 191 [2022-11-16 12:33:45,207 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 140 transitions, 288 flow. Second operand has 6 states, 6 states have (on average 168.83333333333334) internal successors, (1013), 6 states have internal predecessors, (1013), 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) [2022-11-16 12:33:45,207 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:33:45,208 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 191 [2022-11-16 12:33:45,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:33:45,261 INFO L130 PetriNetUnfolder]: 0/139 cut-off events. [2022-11-16 12:33:45,261 INFO L131 PetriNetUnfolder]: For 1/8 co-relation queries the response was YES. [2022-11-16 12:33:45,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 139 events. 0/139 cut-off events. For 1/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 113 event pairs, 0 based on Foata normal form. 1/140 useless extension candidates. Maximal degree in co-relation 0. Up to 13 conditions per place. [2022-11-16 12:33:45,262 INFO L137 encePairwiseOnDemand]: 186/191 looper letters, 0 selfloop transitions, 0 changer transitions 139/139 dead transitions. [2022-11-16 12:33:45,262 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 139 transitions, 318 flow [2022-11-16 12:33:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:33:45,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:33:45,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1013 transitions. [2022-11-16 12:33:45,265 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8839441535776614 [2022-11-16 12:33:45,265 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1013 transitions. [2022-11-16 12:33:45,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1013 transitions. [2022-11-16 12:33:45,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:33:45,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1013 transitions. [2022-11-16 12:33:45,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 168.83333333333334) internal successors, (1013), 6 states have internal predecessors, (1013), 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) [2022-11-16 12:33:45,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 191.0) internal successors, (1337), 7 states have internal predecessors, (1337), 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) [2022-11-16 12:33:45,272 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 191.0) internal successors, (1337), 7 states have internal predecessors, (1337), 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) [2022-11-16 12:33:45,272 INFO L175 Difference]: Start difference. First operand has 147 places, 140 transitions, 288 flow. Second operand 6 states and 1013 transitions. [2022-11-16 12:33:45,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 139 transitions, 318 flow [2022-11-16 12:33:45,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 139 transitions, 314 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:33:45,275 INFO L231 Difference]: Finished difference. Result has 148 places, 0 transitions, 0 flow [2022-11-16 12:33:45,275 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=148, PETRI_TRANSITIONS=0} [2022-11-16 12:33:45,276 INFO L288 CegarLoopForPetriNet]: 177 programPoint places, -29 predicate places. [2022-11-16 12:33:45,276 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 0 transitions, 0 flow [2022-11-16 12:33:45,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 168.83333333333334) internal successors, (1013), 6 states have internal predecessors, (1013), 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) [2022-11-16 12:33:45,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (41 of 42 remaining) [2022-11-16 12:33:45,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (40 of 42 remaining) [2022-11-16 12:33:45,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (39 of 42 remaining) [2022-11-16 12:33:45,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (38 of 42 remaining) [2022-11-16 12:33:45,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (37 of 42 remaining) [2022-11-16 12:33:45,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (36 of 42 remaining) [2022-11-16 12:33:45,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (35 of 42 remaining) [2022-11-16 12:33:45,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (34 of 42 remaining) [2022-11-16 12:33:45,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (33 of 42 remaining) [2022-11-16 12:33:45,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (32 of 42 remaining) [2022-11-16 12:33:45,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (31 of 42 remaining) [2022-11-16 12:33:45,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (30 of 42 remaining) [2022-11-16 12:33:45,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (29 of 42 remaining) [2022-11-16 12:33:45,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (28 of 42 remaining) [2022-11-16 12:33:45,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (27 of 42 remaining) [2022-11-16 12:33:45,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (26 of 42 remaining) [2022-11-16 12:33:45,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 42 remaining) [2022-11-16 12:33:45,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 42 remaining) [2022-11-16 12:33:45,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 42 remaining) [2022-11-16 12:33:45,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 42 remaining) [2022-11-16 12:33:45,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 42 remaining) [2022-11-16 12:33:45,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 42 remaining) [2022-11-16 12:33:45,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (19 of 42 remaining) [2022-11-16 12:33:45,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 42 remaining) [2022-11-16 12:33:45,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 42 remaining) [2022-11-16 12:33:45,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 42 remaining) [2022-11-16 12:33:45,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 42 remaining) [2022-11-16 12:33:45,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 42 remaining) [2022-11-16 12:33:45,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 42 remaining) [2022-11-16 12:33:45,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 42 remaining) [2022-11-16 12:33:45,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 42 remaining) [2022-11-16 12:33:45,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (10 of 42 remaining) [2022-11-16 12:33:45,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (9 of 42 remaining) [2022-11-16 12:33:45,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (8 of 42 remaining) [2022-11-16 12:33:45,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 42 remaining) [2022-11-16 12:33:45,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 42 remaining) [2022-11-16 12:33:45,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 42 remaining) [2022-11-16 12:33:45,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (4 of 42 remaining) [2022-11-16 12:33:45,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (3 of 42 remaining) [2022-11-16 12:33:45,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (2 of 42 remaining) [2022-11-16 12:33:45,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (1 of 42 remaining) [2022-11-16 12:33:45,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (0 of 42 remaining) [2022-11-16 12:33:45,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 12:33:45,289 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:45,295 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 12:33:45,295 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:33:45,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:33:45 BasicIcfg [2022-11-16 12:33:45,301 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:33:45,301 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:33:45,301 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:33:45,301 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:33:45,302 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:33:41" (3/4) ... [2022-11-16 12:33:45,305 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:33:45,311 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 12:33:45,311 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 12:33:45,316 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-16 12:33:45,316 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 12:33:45,316 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:33:45,317 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:33:45,348 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02868e11-f749-49d2-9686-6ba258d87b4f/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:33:45,348 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:33:45,349 INFO L158 Benchmark]: Toolchain (without parser) took 5090.83ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 96.3MB in the beginning and 61.5MB in the end (delta: 34.8MB). Peak memory consumption was 91.7MB. Max. memory is 16.1GB. [2022-11-16 12:33:45,349 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 138.4MB. Free memory is still 112.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:33:45,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.54ms. Allocated memory is still 138.4MB. Free memory was 96.2MB in the beginning and 111.2MB in the end (delta: -15.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:33:45,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.84ms. Allocated memory is still 138.4MB. Free memory was 111.2MB in the beginning and 109.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:33:45,350 INFO L158 Benchmark]: Boogie Preprocessor took 27.71ms. Allocated memory is still 138.4MB. Free memory was 109.1MB in the beginning and 107.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:33:45,351 INFO L158 Benchmark]: RCFGBuilder took 627.76ms. Allocated memory is still 138.4MB. Free memory was 107.6MB in the beginning and 90.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 12:33:45,351 INFO L158 Benchmark]: TraceAbstraction took 4059.13ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 89.6MB in the beginning and 64.7MB in the end (delta: 24.9MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2022-11-16 12:33:45,351 INFO L158 Benchmark]: Witness Printer took 47.35ms. Allocated memory is still 195.0MB. Free memory was 64.7MB in the beginning and 61.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:33:45,353 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 138.4MB. Free memory is still 112.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.54ms. Allocated memory is still 138.4MB. Free memory was 96.2MB in the beginning and 111.2MB in the end (delta: -15.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.84ms. Allocated memory is still 138.4MB. Free memory was 111.2MB in the beginning and 109.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.71ms. Allocated memory is still 138.4MB. Free memory was 109.1MB in the beginning and 107.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 627.76ms. Allocated memory is still 138.4MB. Free memory was 107.6MB in the beginning and 90.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4059.13ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 89.6MB in the beginning and 64.7MB in the end (delta: 24.9MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. * Witness Printer took 47.35ms. Allocated memory is still 195.0MB. Free memory was 64.7MB in the beginning and 61.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: 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: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: 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: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 286 locations, 42 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: 3.8s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 302 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 426 IncrementalHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 302 mSDtfsCounter, 426 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=354occurred in iteration=0, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 790 NumberOfCodeBlocks, 790 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 776 ConstructedInterpolants, 0 QuantifiedInterpolants, 962 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 24 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 12:33:45,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02868e11-f749-49d2-9686-6ba258d87b4f/bin/uautomizer-tPACEb0tL8/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