./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe219ba-91a7-4b56-9a90-41a7c4e4e1f5/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe219ba-91a7-4b56-9a90-41a7c4e4e1f5/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe219ba-91a7-4b56-9a90-41a7c4e4e1f5/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe219ba-91a7-4b56-9a90-41a7c4e4e1f5/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/lamport.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe219ba-91a7-4b56-9a90-41a7c4e4e1f5/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe219ba-91a7-4b56-9a90-41a7c4e4e1f5/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:03:57,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:03:57,163 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe219ba-91a7-4b56-9a90-41a7c4e4e1f5/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 08:03:57,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:03:57,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:03:57,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:03:57,202 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:03:57,203 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:03:57,204 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:03:57,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:03:57,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:03:57,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:03:57,208 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:03:57,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:03:57,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:03:57,210 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:03:57,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:03:57,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:03:57,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:03:57,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:03:57,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:03:57,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:03:57,216 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 08:03:57,216 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:03:57,217 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:03:57,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:03:57,218 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:03:57,219 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:03:57,220 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:03:57,220 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:03:57,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:03:57,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:03:57,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:03:57,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:03:57,224 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:03:57,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:03:57,225 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:03:57,226 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:03:57,227 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:03:57,228 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:03:57,228 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:03:57,229 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe219ba-91a7-4b56-9a90-41a7c4e4e1f5/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe219ba-91a7-4b56-9a90-41a7c4e4e1f5/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 [2023-11-19 08:03:57,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:03:57,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:03:57,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:03:57,631 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:03:57,631 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:03:57,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe219ba-91a7-4b56-9a90-41a7c4e4e1f5/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-atomic/lamport.i [2023-11-19 08:04:00,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:04:01,241 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:04:01,242 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe219ba-91a7-4b56-9a90-41a7c4e4e1f5/sv-benchmarks/c/pthread-atomic/lamport.i [2023-11-19 08:04:01,266 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe219ba-91a7-4b56-9a90-41a7c4e4e1f5/bin/uautomizer-verify-uCwYo4JHxu/data/55088ac63/494bf4a6e2d544e89992948ca2669541/FLAG1e86116a9 [2023-11-19 08:04:01,283 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe219ba-91a7-4b56-9a90-41a7c4e4e1f5/bin/uautomizer-verify-uCwYo4JHxu/data/55088ac63/494bf4a6e2d544e89992948ca2669541 [2023-11-19 08:04:01,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:04:01,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:04:01,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:01,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:04:01,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:04:01,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:01" (1/1) ... [2023-11-19 08:04:01,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aafdaef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:01, skipping insertion in model container [2023-11-19 08:04:01,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:01" (1/1) ... [2023-11-19 08:04:01,389 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:04:01,638 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 08:04:01,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:01,905 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:04:01,922 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 08:04:01,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:01,996 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:04:01,996 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:04:01,997 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:04:02,005 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:04:02,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:02 WrapperNode [2023-11-19 08:04:02,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:02,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:02,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:04:02,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:04:02,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:02" (1/1) ... [2023-11-19 08:04:02,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:02" (1/1) ... [2023-11-19 08:04:02,108 INFO L138 Inliner]: procedures = 171, calls = 85, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 321 [2023-11-19 08:04:02,115 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:02,116 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:04:02,116 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:04:02,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:04:02,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:02" (1/1) ... [2023-11-19 08:04:02,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:02" (1/1) ... [2023-11-19 08:04:02,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:02" (1/1) ... [2023-11-19 08:04:02,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:02" (1/1) ... [2023-11-19 08:04:02,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:02" (1/1) ... [2023-11-19 08:04:02,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:02" (1/1) ... [2023-11-19 08:04:02,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:02" (1/1) ... [2023-11-19 08:04:02,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:02" (1/1) ... [2023-11-19 08:04:02,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:04:02,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:04:02,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:04:02,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:04:02,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:02" (1/1) ... [2023-11-19 08:04:02,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:02,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe219ba-91a7-4b56-9a90-41a7c4e4e1f5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:02,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe219ba-91a7-4b56-9a90-41a7c4e4e1f5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:04:02,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe219ba-91a7-4b56-9a90-41a7c4e4e1f5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:04:02,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:04:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-19 08:04:02,294 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-19 08:04:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 08:04:02,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 08:04:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:04:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 08:04:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:04:02,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:04:02,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:04:02,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:04:02,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 08:04:02,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:04:02,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:04:02,302 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 08:04:02,490 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:04:02,492 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:04:02,965 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:04:03,158 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:04:03,159 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 08:04:03,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:03 BoogieIcfgContainer [2023-11-19 08:04:03,165 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:04:03,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:04:03,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:04:03,172 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:04:03,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:04:01" (1/3) ... [2023-11-19 08:04:03,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6229cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:03, skipping insertion in model container [2023-11-19 08:04:03,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:02" (2/3) ... [2023-11-19 08:04:03,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6229cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:03, skipping insertion in model container [2023-11-19 08:04:03,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:03" (3/3) ... [2023-11-19 08:04:03,177 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2023-11-19 08:04:03,187 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 08:04:03,198 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:04:03,198 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2023-11-19 08:04:03,198 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 08:04:03,284 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 08:04:03,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 180 places, 199 transitions, 412 flow [2023-11-19 08:04:03,447 INFO L124 PetriNetUnfolderBase]: 26/197 cut-off events. [2023-11-19 08:04:03,448 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 08:04:03,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 197 events. 26/197 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 626 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 163. Up to 5 conditions per place. [2023-11-19 08:04:03,457 INFO L82 GeneralOperation]: Start removeDead. Operand has 180 places, 199 transitions, 412 flow [2023-11-19 08:04:03,467 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 168 places, 187 transitions, 383 flow [2023-11-19 08:04:03,471 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 08:04:03,488 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 187 transitions, 383 flow [2023-11-19 08:04:03,493 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 187 transitions, 383 flow [2023-11-19 08:04:03,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 168 places, 187 transitions, 383 flow [2023-11-19 08:04:03,581 INFO L124 PetriNetUnfolderBase]: 26/187 cut-off events. [2023-11-19 08:04:03,581 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 08:04:03,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 187 events. 26/187 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 626 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 163. Up to 5 conditions per place. [2023-11-19 08:04:03,596 INFO L119 LiptonReduction]: Number of co-enabled transitions 15120 [2023-11-19 08:04:06,653 INFO L134 LiptonReduction]: Checked pairs total: 49595 [2023-11-19 08:04:06,655 INFO L136 LiptonReduction]: Total number of compositions: 126 [2023-11-19 08:04:06,685 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:04:06,692 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=LoopHeads, 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;@45ac9252, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:04:06,692 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2023-11-19 08:04:06,695 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 08:04:06,696 INFO L124 PetriNetUnfolderBase]: 1/7 cut-off events. [2023-11-19 08:04:06,696 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:04:06,696 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:04:06,697 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-19 08:04:06,697 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-19 08:04:06,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:06,703 INFO L85 PathProgramCache]: Analyzing trace with hash 31368568, now seen corresponding path program 1 times [2023-11-19 08:04:06,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:06,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409802367] [2023-11-19 08:04:06,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:06,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:06,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:07,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:07,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409802367] [2023-11-19 08:04:07,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409802367] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:07,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:07,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 08:04:07,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990255087] [2023-11-19 08:04:07,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:07,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:04:07,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:07,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:04:07,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:04:07,054 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 325 [2023-11-19 08:04:07,058 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 106 transitions, 221 flow. Second operand has 2 states, 2 states have (on average 119.0) internal successors, (238), 2 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:07,058 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:04:07,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 325 [2023-11-19 08:04:07,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:04:07,520 INFO L124 PetriNetUnfolderBase]: 1755/2902 cut-off events. [2023-11-19 08:04:07,521 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2023-11-19 08:04:07,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5621 conditions, 2902 events. 1755/2902 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 14152 event pairs, 1257 based on Foata normal form. 0/2262 useless extension candidates. Maximal degree in co-relation 5402. Up to 2653 conditions per place. [2023-11-19 08:04:07,602 INFO L140 encePairwiseOnDemand]: 285/325 looper letters, 57 selfloop transitions, 0 changer transitions 0/66 dead transitions. [2023-11-19 08:04:07,603 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 66 transitions, 255 flow [2023-11-19 08:04:07,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:04:07,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 08:04:07,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 331 transitions. [2023-11-19 08:04:07,626 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5092307692307693 [2023-11-19 08:04:07,627 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 331 transitions. [2023-11-19 08:04:07,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 331 transitions. [2023-11-19 08:04:07,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:04:07,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 331 transitions. [2023-11-19 08:04:07,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 165.5) internal successors, (331), 2 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:07,647 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 325.0) internal successors, (975), 3 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:07,648 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 325.0) internal successors, (975), 3 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:07,650 INFO L175 Difference]: Start difference. First operand has 95 places, 106 transitions, 221 flow. Second operand 2 states and 331 transitions. [2023-11-19 08:04:07,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 66 transitions, 255 flow [2023-11-19 08:04:07,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 66 transitions, 250 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-19 08:04:07,659 INFO L231 Difference]: Finished difference. Result has 59 places, 66 transitions, 136 flow [2023-11-19 08:04:07,662 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=136, PETRI_PLACES=59, PETRI_TRANSITIONS=66} [2023-11-19 08:04:07,666 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -36 predicate places. [2023-11-19 08:04:07,666 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 66 transitions, 136 flow [2023-11-19 08:04:07,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 119.0) internal successors, (238), 2 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:07,667 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:04:07,667 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:07,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:04:07,668 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-19 08:04:07,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:07,669 INFO L85 PathProgramCache]: Analyzing trace with hash -2062641742, now seen corresponding path program 1 times [2023-11-19 08:04:07,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:07,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10693855] [2023-11-19 08:04:07,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:07,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:07,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:07,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:07,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10693855] [2023-11-19 08:04:07,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10693855] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:07,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:07,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:04:07,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519571562] [2023-11-19 08:04:07,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:07,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:04:07,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:07,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:04:07,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:04:07,829 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 325 [2023-11-19 08:04:07,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 66 transitions, 136 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:07,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:04:07,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 325 [2023-11-19 08:04:07,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:04:08,262 INFO L124 PetriNetUnfolderBase]: 1869/3054 cut-off events. [2023-11-19 08:04:08,262 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 08:04:08,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5940 conditions, 3054 events. 1869/3054 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 14797 event pairs, 1215 based on Foata normal form. 0/2414 useless extension candidates. Maximal degree in co-relation 5937. Up to 2601 conditions per place. [2023-11-19 08:04:08,290 INFO L140 encePairwiseOnDemand]: 319/325 looper letters, 85 selfloop transitions, 5 changer transitions 0/97 dead transitions. [2023-11-19 08:04:08,290 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 97 transitions, 380 flow [2023-11-19 08:04:08,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:04:08,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:04:08,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 418 transitions. [2023-11-19 08:04:08,294 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4287179487179487 [2023-11-19 08:04:08,294 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 418 transitions. [2023-11-19 08:04:08,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 418 transitions. [2023-11-19 08:04:08,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:04:08,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 418 transitions. [2023-11-19 08:04:08,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:08,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:08,303 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:08,303 INFO L175 Difference]: Start difference. First operand has 59 places, 66 transitions, 136 flow. Second operand 3 states and 418 transitions. [2023-11-19 08:04:08,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 97 transitions, 380 flow [2023-11-19 08:04:08,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 97 transitions, 380 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 08:04:08,307 INFO L231 Difference]: Finished difference. Result has 63 places, 70 transitions, 174 flow [2023-11-19 08:04:08,308 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=63, PETRI_TRANSITIONS=70} [2023-11-19 08:04:08,309 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -32 predicate places. [2023-11-19 08:04:08,309 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 70 transitions, 174 flow [2023-11-19 08:04:08,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:08,310 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:04:08,310 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:08,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:04:08,311 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-19 08:04:08,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:08,312 INFO L85 PathProgramCache]: Analyzing trace with hash 504616530, now seen corresponding path program 1 times [2023-11-19 08:04:08,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:08,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376806242] [2023-11-19 08:04:08,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:08,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:08,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:08,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:08,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376806242] [2023-11-19 08:04:08,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376806242] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:08,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:08,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:04:08,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325216945] [2023-11-19 08:04:08,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:08,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:04:08,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:08,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:04:08,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:04:08,474 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 325 [2023-11-19 08:04:08,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 70 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:08,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:04:08,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 325 [2023-11-19 08:04:08,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:04:08,941 INFO L124 PetriNetUnfolderBase]: 1903/3086 cut-off events. [2023-11-19 08:04:08,942 INFO L125 PetriNetUnfolderBase]: For 253/277 co-relation queries the response was YES. [2023-11-19 08:04:08,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6408 conditions, 3086 events. 1903/3086 cut-off events. For 253/277 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 14746 event pairs, 1228 based on Foata normal form. 0/2468 useless extension candidates. Maximal degree in co-relation 6403. Up to 2664 conditions per place. [2023-11-19 08:04:08,968 INFO L140 encePairwiseOnDemand]: 319/325 looper letters, 85 selfloop transitions, 8 changer transitions 0/101 dead transitions. [2023-11-19 08:04:08,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 101 transitions, 439 flow [2023-11-19 08:04:08,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:04:08,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:04:08,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 416 transitions. [2023-11-19 08:04:08,972 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4266666666666667 [2023-11-19 08:04:08,972 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 416 transitions. [2023-11-19 08:04:08,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 416 transitions. [2023-11-19 08:04:08,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:04:08,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 416 transitions. [2023-11-19 08:04:08,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:08,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:08,980 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:08,981 INFO L175 Difference]: Start difference. First operand has 63 places, 70 transitions, 174 flow. Second operand 3 states and 416 transitions. [2023-11-19 08:04:08,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 101 transitions, 439 flow [2023-11-19 08:04:08,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 101 transitions, 423 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 08:04:08,991 INFO L231 Difference]: Finished difference. Result has 65 places, 76 transitions, 232 flow [2023-11-19 08:04:08,991 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=65, PETRI_TRANSITIONS=76} [2023-11-19 08:04:08,992 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -30 predicate places. [2023-11-19 08:04:08,993 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 76 transitions, 232 flow [2023-11-19 08:04:08,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:08,994 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:04:08,994 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:08,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:04:08,994 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err15ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-19 08:04:08,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:08,995 INFO L85 PathProgramCache]: Analyzing trace with hash 2076205530, now seen corresponding path program 1 times [2023-11-19 08:04:08,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:08,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958966703] [2023-11-19 08:04:08,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:08,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:09,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:09,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:09,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958966703] [2023-11-19 08:04:09,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958966703] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:09,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:09,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:04:09,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671951311] [2023-11-19 08:04:09,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:09,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:04:09,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:09,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:04:09,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:04:09,062 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 325 [2023-11-19 08:04:09,063 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 76 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:09,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:04:09,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 325 [2023-11-19 08:04:09,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:04:09,583 INFO L124 PetriNetUnfolderBase]: 2022/3223 cut-off events. [2023-11-19 08:04:09,583 INFO L125 PetriNetUnfolderBase]: For 850/920 co-relation queries the response was YES. [2023-11-19 08:04:09,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7167 conditions, 3223 events. 2022/3223 cut-off events. For 850/920 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 14890 event pairs, 846 based on Foata normal form. 14/2675 useless extension candidates. Maximal degree in co-relation 7161. Up to 1790 conditions per place. [2023-11-19 08:04:09,608 INFO L140 encePairwiseOnDemand]: 317/325 looper letters, 104 selfloop transitions, 8 changer transitions 14/133 dead transitions. [2023-11-19 08:04:09,608 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 133 transitions, 621 flow [2023-11-19 08:04:09,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:04:09,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:04:09,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 447 transitions. [2023-11-19 08:04:09,611 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4584615384615385 [2023-11-19 08:04:09,611 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 447 transitions. [2023-11-19 08:04:09,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 447 transitions. [2023-11-19 08:04:09,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:04:09,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 447 transitions. [2023-11-19 08:04:09,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 149.0) internal successors, (447), 3 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:09,617 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:09,619 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:09,619 INFO L175 Difference]: Start difference. First operand has 65 places, 76 transitions, 232 flow. Second operand 3 states and 447 transitions. [2023-11-19 08:04:09,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 133 transitions, 621 flow [2023-11-19 08:04:09,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 133 transitions, 601 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 08:04:09,627 INFO L231 Difference]: Finished difference. Result has 67 places, 76 transitions, 260 flow [2023-11-19 08:04:09,627 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=260, PETRI_PLACES=67, PETRI_TRANSITIONS=76} [2023-11-19 08:04:09,628 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -28 predicate places. [2023-11-19 08:04:09,629 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 76 transitions, 260 flow [2023-11-19 08:04:09,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:09,629 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:04:09,629 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:09,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 08:04:09,630 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-19 08:04:09,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:09,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1245407371, now seen corresponding path program 1 times [2023-11-19 08:04:09,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:09,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482782180] [2023-11-19 08:04:09,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:09,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:09,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:09,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:09,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482782180] [2023-11-19 08:04:09,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482782180] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:09,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:09,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:04:09,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300696602] [2023-11-19 08:04:09,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:09,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:04:09,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:09,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:04:09,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:04:09,733 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 325 [2023-11-19 08:04:09,734 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 76 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:09,734 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:04:09,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 325 [2023-11-19 08:04:09,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:04:10,430 INFO L124 PetriNetUnfolderBase]: 3246/5237 cut-off events. [2023-11-19 08:04:10,431 INFO L125 PetriNetUnfolderBase]: For 2884/2974 co-relation queries the response was YES. [2023-11-19 08:04:10,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11968 conditions, 5237 events. 3246/5237 cut-off events. For 2884/2974 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 28743 event pairs, 822 based on Foata normal form. 0/4305 useless extension candidates. Maximal degree in co-relation 11961. Up to 2708 conditions per place. [2023-11-19 08:04:10,459 INFO L140 encePairwiseOnDemand]: 318/325 looper letters, 100 selfloop transitions, 5 changer transitions 17/133 dead transitions. [2023-11-19 08:04:10,459 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 133 transitions, 704 flow [2023-11-19 08:04:10,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:04:10,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:04:10,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 456 transitions. [2023-11-19 08:04:10,462 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4676923076923077 [2023-11-19 08:04:10,462 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 456 transitions. [2023-11-19 08:04:10,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 456 transitions. [2023-11-19 08:04:10,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:04:10,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 456 transitions. [2023-11-19 08:04:10,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:10,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:10,468 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:10,469 INFO L175 Difference]: Start difference. First operand has 67 places, 76 transitions, 260 flow. Second operand 3 states and 456 transitions. [2023-11-19 08:04:10,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 133 transitions, 704 flow [2023-11-19 08:04:10,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 133 transitions, 672 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 08:04:10,483 INFO L231 Difference]: Finished difference. Result has 69 places, 81 transitions, 288 flow [2023-11-19 08:04:10,483 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=69, PETRI_TRANSITIONS=81} [2023-11-19 08:04:10,487 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -26 predicate places. [2023-11-19 08:04:10,487 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 81 transitions, 288 flow [2023-11-19 08:04:10,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:10,488 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:04:10,488 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:10,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 08:04:10,489 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-19 08:04:10,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:10,489 INFO L85 PathProgramCache]: Analyzing trace with hash -373696117, now seen corresponding path program 2 times [2023-11-19 08:04:10,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:10,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397817599] [2023-11-19 08:04:10,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:10,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:10,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:10,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:10,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397817599] [2023-11-19 08:04:10,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397817599] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:10,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:10,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:04:10,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226101989] [2023-11-19 08:04:10,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:10,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:04:10,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:10,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:04:10,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:04:10,621 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 325 [2023-11-19 08:04:10,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 81 transitions, 288 flow. Second operand has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:10,623 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:04:10,623 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 325 [2023-11-19 08:04:10,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:04:12,538 INFO L124 PetriNetUnfolderBase]: 8988/14581 cut-off events. [2023-11-19 08:04:12,538 INFO L125 PetriNetUnfolderBase]: For 7064/7330 co-relation queries the response was YES. [2023-11-19 08:04:12,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34599 conditions, 14581 events. 8988/14581 cut-off events. For 7064/7330 co-relation queries the response was YES. Maximal size of possible extension queue 378. Compared 93935 event pairs, 1515 based on Foata normal form. 0/12803 useless extension candidates. Maximal degree in co-relation 34591. Up to 4529 conditions per place. [2023-11-19 08:04:12,613 INFO L140 encePairwiseOnDemand]: 321/325 looper letters, 223 selfloop transitions, 6 changer transitions 7/247 dead transitions. [2023-11-19 08:04:12,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 247 transitions, 1332 flow [2023-11-19 08:04:12,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:04:12,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-19 08:04:12,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 770 transitions. [2023-11-19 08:04:12,617 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47384615384615386 [2023-11-19 08:04:12,617 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 770 transitions. [2023-11-19 08:04:12,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 770 transitions. [2023-11-19 08:04:12,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:04:12,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 770 transitions. [2023-11-19 08:04:12,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 154.0) internal successors, (770), 5 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:12,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:12,628 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:12,628 INFO L175 Difference]: Start difference. First operand has 69 places, 81 transitions, 288 flow. Second operand 5 states and 770 transitions. [2023-11-19 08:04:12,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 247 transitions, 1332 flow [2023-11-19 08:04:12,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 247 transitions, 1296 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 08:04:12,647 INFO L231 Difference]: Finished difference. Result has 75 places, 87 transitions, 328 flow [2023-11-19 08:04:12,648 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=328, PETRI_PLACES=75, PETRI_TRANSITIONS=87} [2023-11-19 08:04:12,648 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -20 predicate places. [2023-11-19 08:04:12,649 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 87 transitions, 328 flow [2023-11-19 08:04:12,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:12,649 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:04:12,650 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:12,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 08:04:12,650 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-19 08:04:12,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:12,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1027658445, now seen corresponding path program 3 times [2023-11-19 08:04:12,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:12,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796720491] [2023-11-19 08:04:12,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:12,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:12,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:12,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:12,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796720491] [2023-11-19 08:04:12,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796720491] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:12,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:12,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:04:12,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467701392] [2023-11-19 08:04:12,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:12,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:04:12,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:12,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:04:12,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:04:12,742 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 325 [2023-11-19 08:04:12,743 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 87 transitions, 328 flow. Second operand has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:12,743 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:04:12,743 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 325 [2023-11-19 08:04:12,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:04:14,886 INFO L124 PetriNetUnfolderBase]: 8922/14489 cut-off events. [2023-11-19 08:04:14,886 INFO L125 PetriNetUnfolderBase]: For 6910/7122 co-relation queries the response was YES. [2023-11-19 08:04:14,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34746 conditions, 14489 events. 8922/14489 cut-off events. For 6910/7122 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 96018 event pairs, 2380 based on Foata normal form. 314/13217 useless extension candidates. Maximal degree in co-relation 34735. Up to 7320 conditions per place. [2023-11-19 08:04:14,953 INFO L140 encePairwiseOnDemand]: 310/325 looper letters, 100 selfloop transitions, 5 changer transitions 70/186 dead transitions. [2023-11-19 08:04:14,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 186 transitions, 1019 flow [2023-11-19 08:04:14,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:04:14,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-19 08:04:14,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 709 transitions. [2023-11-19 08:04:14,962 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4363076923076923 [2023-11-19 08:04:14,962 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 709 transitions. [2023-11-19 08:04:14,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 709 transitions. [2023-11-19 08:04:14,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:04:14,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 709 transitions. [2023-11-19 08:04:14,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 141.8) internal successors, (709), 5 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:14,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:14,970 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:14,971 INFO L175 Difference]: Start difference. First operand has 75 places, 87 transitions, 328 flow. Second operand 5 states and 709 transitions. [2023-11-19 08:04:14,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 186 transitions, 1019 flow [2023-11-19 08:04:14,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 186 transitions, 1019 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 08:04:14,991 INFO L231 Difference]: Finished difference. Result has 83 places, 86 transitions, 382 flow [2023-11-19 08:04:14,992 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=382, PETRI_PLACES=83, PETRI_TRANSITIONS=86} [2023-11-19 08:04:14,993 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -12 predicate places. [2023-11-19 08:04:14,994 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 86 transitions, 382 flow [2023-11-19 08:04:14,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:14,995 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:04:14,995 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:14,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 08:04:14,995 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-19 08:04:14,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:14,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1727026719, now seen corresponding path program 4 times [2023-11-19 08:04:14,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:14,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11574878] [2023-11-19 08:04:14,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:14,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:15,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:15,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:15,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11574878] [2023-11-19 08:04:15,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11574878] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:15,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:15,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:04:15,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037303263] [2023-11-19 08:04:15,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:15,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:04:15,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:15,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:04:15,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:04:15,078 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 325 [2023-11-19 08:04:15,079 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 86 transitions, 382 flow. Second operand has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:15,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:04:15,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 325 [2023-11-19 08:04:15,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:04:17,168 INFO L124 PetriNetUnfolderBase]: 10028/16821 cut-off events. [2023-11-19 08:04:17,168 INFO L125 PetriNetUnfolderBase]: For 12365/12619 co-relation queries the response was YES. [2023-11-19 08:04:17,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45064 conditions, 16821 events. 10028/16821 cut-off events. For 12365/12619 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 116087 event pairs, 2361 based on Foata normal form. 0/15739 useless extension candidates. Maximal degree in co-relation 45049. Up to 5209 conditions per place. [2023-11-19 08:04:17,252 INFO L140 encePairwiseOnDemand]: 321/325 looper letters, 181 selfloop transitions, 6 changer transitions 56/254 dead transitions. [2023-11-19 08:04:17,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 254 transitions, 1623 flow [2023-11-19 08:04:17,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:04:17,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-19 08:04:17,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 773 transitions. [2023-11-19 08:04:17,256 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4756923076923077 [2023-11-19 08:04:17,256 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 773 transitions. [2023-11-19 08:04:17,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 773 transitions. [2023-11-19 08:04:17,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:04:17,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 773 transitions. [2023-11-19 08:04:17,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 154.6) internal successors, (773), 5 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:17,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:17,264 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:17,265 INFO L175 Difference]: Start difference. First operand has 83 places, 86 transitions, 382 flow. Second operand 5 states and 773 transitions. [2023-11-19 08:04:17,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 254 transitions, 1623 flow [2023-11-19 08:04:17,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 254 transitions, 1507 flow, removed 41 selfloop flow, removed 3 redundant places. [2023-11-19 08:04:17,305 INFO L231 Difference]: Finished difference. Result has 86 places, 90 transitions, 404 flow [2023-11-19 08:04:17,305 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=404, PETRI_PLACES=86, PETRI_TRANSITIONS=90} [2023-11-19 08:04:17,306 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -9 predicate places. [2023-11-19 08:04:17,306 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 90 transitions, 404 flow [2023-11-19 08:04:17,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:17,307 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:04:17,307 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:17,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 08:04:17,308 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr2Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-19 08:04:17,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:17,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1175937066, now seen corresponding path program 1 times [2023-11-19 08:04:17,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:17,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873633613] [2023-11-19 08:04:17,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:17,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:17,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:17,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:17,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873633613] [2023-11-19 08:04:17,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873633613] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:17,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:17,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:04:17,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421528088] [2023-11-19 08:04:17,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:17,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:04:17,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:17,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:04:17,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:04:17,418 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 325 [2023-11-19 08:04:17,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 90 transitions, 404 flow. Second operand has 4 states, 4 states have (on average 119.5) internal successors, (478), 4 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:17,419 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:04:17,419 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 325 [2023-11-19 08:04:17,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:04:19,323 INFO L124 PetriNetUnfolderBase]: 8504/14383 cut-off events. [2023-11-19 08:04:19,323 INFO L125 PetriNetUnfolderBase]: For 10097/10319 co-relation queries the response was YES. [2023-11-19 08:04:19,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37384 conditions, 14383 events. 8504/14383 cut-off events. For 10097/10319 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 96852 event pairs, 3983 based on Foata normal form. 226/13817 useless extension candidates. Maximal degree in co-relation 37367. Up to 9641 conditions per place. [2023-11-19 08:04:19,390 INFO L140 encePairwiseOnDemand]: 317/325 looper letters, 85 selfloop transitions, 3 changer transitions 71/170 dead transitions. [2023-11-19 08:04:19,390 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 170 transitions, 1065 flow [2023-11-19 08:04:19,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:04:19,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-19 08:04:19,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 696 transitions. [2023-11-19 08:04:19,402 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42830769230769233 [2023-11-19 08:04:19,402 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 696 transitions. [2023-11-19 08:04:19,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 696 transitions. [2023-11-19 08:04:19,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:04:19,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 696 transitions. [2023-11-19 08:04:19,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 139.2) internal successors, (696), 5 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:19,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:19,415 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:19,416 INFO L175 Difference]: Start difference. First operand has 86 places, 90 transitions, 404 flow. Second operand 5 states and 696 transitions. [2023-11-19 08:04:19,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 170 transitions, 1065 flow [2023-11-19 08:04:19,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 170 transitions, 1057 flow, removed 4 selfloop flow, removed 0 redundant places. [2023-11-19 08:04:19,440 INFO L231 Difference]: Finished difference. Result has 93 places, 84 transitions, 405 flow [2023-11-19 08:04:19,440 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=405, PETRI_PLACES=93, PETRI_TRANSITIONS=84} [2023-11-19 08:04:19,441 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -2 predicate places. [2023-11-19 08:04:19,441 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 84 transitions, 405 flow [2023-11-19 08:04:19,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 119.5) internal successors, (478), 4 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:19,445 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:04:19,445 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:19,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 08:04:19,445 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-19 08:04:19,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:19,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1474732152, now seen corresponding path program 1 times [2023-11-19 08:04:19,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:19,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331049048] [2023-11-19 08:04:19,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:19,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:19,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:19,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:19,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331049048] [2023-11-19 08:04:19,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331049048] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:19,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:19,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:04:19,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968307002] [2023-11-19 08:04:19,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:19,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:04:19,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:19,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:04:19,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:04:19,537 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 325 [2023-11-19 08:04:19,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 84 transitions, 405 flow. Second operand has 4 states, 4 states have (on average 119.75) internal successors, (479), 4 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:19,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:04:19,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 325 [2023-11-19 08:04:19,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:04:20,495 INFO L124 PetriNetUnfolderBase]: 3963/6778 cut-off events. [2023-11-19 08:04:20,495 INFO L125 PetriNetUnfolderBase]: For 5822/5860 co-relation queries the response was YES. [2023-11-19 08:04:20,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19006 conditions, 6778 events. 3963/6778 cut-off events. For 5822/5860 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 39296 event pairs, 1583 based on Foata normal form. 54/6580 useless extension candidates. Maximal degree in co-relation 18985. Up to 3813 conditions per place. [2023-11-19 08:04:20,526 INFO L140 encePairwiseOnDemand]: 318/325 looper letters, 0 selfloop transitions, 0 changer transitions 145/145 dead transitions. [2023-11-19 08:04:20,526 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 145 transitions, 951 flow [2023-11-19 08:04:20,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:04:20,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-19 08:04:20,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 687 transitions. [2023-11-19 08:04:20,530 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4227692307692308 [2023-11-19 08:04:20,530 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 687 transitions. [2023-11-19 08:04:20,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 687 transitions. [2023-11-19 08:04:20,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:04:20,531 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 687 transitions. [2023-11-19 08:04:20,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:20,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:20,539 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:20,539 INFO L175 Difference]: Start difference. First operand has 93 places, 84 transitions, 405 flow. Second operand 5 states and 687 transitions. [2023-11-19 08:04:20,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 145 transitions, 951 flow [2023-11-19 08:04:20,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 145 transitions, 853 flow, removed 27 selfloop flow, removed 9 redundant places. [2023-11-19 08:04:20,566 INFO L231 Difference]: Finished difference. Result has 79 places, 0 transitions, 0 flow [2023-11-19 08:04:20,566 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=79, PETRI_TRANSITIONS=0} [2023-11-19 08:04:20,567 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -16 predicate places. [2023-11-19 08:04:20,567 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 0 transitions, 0 flow [2023-11-19 08:04:20,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 119.75) internal successors, (479), 4 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:20,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (75 of 76 remaining) [2023-11-19 08:04:20,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (74 of 76 remaining) [2023-11-19 08:04:20,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (73 of 76 remaining) [2023-11-19 08:04:20,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (72 of 76 remaining) [2023-11-19 08:04:20,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (71 of 76 remaining) [2023-11-19 08:04:20,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (70 of 76 remaining) [2023-11-19 08:04:20,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (69 of 76 remaining) [2023-11-19 08:04:20,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (68 of 76 remaining) [2023-11-19 08:04:20,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (67 of 76 remaining) [2023-11-19 08:04:20,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONDATA_RACE (66 of 76 remaining) [2023-11-19 08:04:20,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (65 of 76 remaining) [2023-11-19 08:04:20,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (64 of 76 remaining) [2023-11-19 08:04:20,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (63 of 76 remaining) [2023-11-19 08:04:20,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (62 of 76 remaining) [2023-11-19 08:04:20,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (61 of 76 remaining) [2023-11-19 08:04:20,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (60 of 76 remaining) [2023-11-19 08:04:20,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (59 of 76 remaining) [2023-11-19 08:04:20,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (58 of 76 remaining) [2023-11-19 08:04:20,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (57 of 76 remaining) [2023-11-19 08:04:20,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (56 of 76 remaining) [2023-11-19 08:04:20,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (55 of 76 remaining) [2023-11-19 08:04:20,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (54 of 76 remaining) [2023-11-19 08:04:20,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (53 of 76 remaining) [2023-11-19 08:04:20,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (52 of 76 remaining) [2023-11-19 08:04:20,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (51 of 76 remaining) [2023-11-19 08:04:20,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (50 of 76 remaining) [2023-11-19 08:04:20,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (49 of 76 remaining) [2023-11-19 08:04:20,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONDATA_RACE (48 of 76 remaining) [2023-11-19 08:04:20,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (47 of 76 remaining) [2023-11-19 08:04:20,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (46 of 76 remaining) [2023-11-19 08:04:20,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (45 of 76 remaining) [2023-11-19 08:04:20,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (44 of 76 remaining) [2023-11-19 08:04:20,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (43 of 76 remaining) [2023-11-19 08:04:20,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (42 of 76 remaining) [2023-11-19 08:04:20,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (41 of 76 remaining) [2023-11-19 08:04:20,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (40 of 76 remaining) [2023-11-19 08:04:20,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (39 of 76 remaining) [2023-11-19 08:04:20,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 76 remaining) [2023-11-19 08:04:20,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 76 remaining) [2023-11-19 08:04:20,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 76 remaining) [2023-11-19 08:04:20,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (35 of 76 remaining) [2023-11-19 08:04:20,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (34 of 76 remaining) [2023-11-19 08:04:20,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (33 of 76 remaining) [2023-11-19 08:04:20,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (32 of 76 remaining) [2023-11-19 08:04:20,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (31 of 76 remaining) [2023-11-19 08:04:20,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (30 of 76 remaining) [2023-11-19 08:04:20,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (29 of 76 remaining) [2023-11-19 08:04:20,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (28 of 76 remaining) [2023-11-19 08:04:20,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (27 of 76 remaining) [2023-11-19 08:04:20,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONDATA_RACE (26 of 76 remaining) [2023-11-19 08:04:20,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (25 of 76 remaining) [2023-11-19 08:04:20,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (24 of 76 remaining) [2023-11-19 08:04:20,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (23 of 76 remaining) [2023-11-19 08:04:20,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (22 of 76 remaining) [2023-11-19 08:04:20,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (21 of 76 remaining) [2023-11-19 08:04:20,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (20 of 76 remaining) [2023-11-19 08:04:20,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (19 of 76 remaining) [2023-11-19 08:04:20,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (18 of 76 remaining) [2023-11-19 08:04:20,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (17 of 76 remaining) [2023-11-19 08:04:20,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (16 of 76 remaining) [2023-11-19 08:04:20,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (15 of 76 remaining) [2023-11-19 08:04:20,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (14 of 76 remaining) [2023-11-19 08:04:20,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (13 of 76 remaining) [2023-11-19 08:04:20,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (12 of 76 remaining) [2023-11-19 08:04:20,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (11 of 76 remaining) [2023-11-19 08:04:20,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 76 remaining) [2023-11-19 08:04:20,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (9 of 76 remaining) [2023-11-19 08:04:20,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONDATA_RACE (8 of 76 remaining) [2023-11-19 08:04:20,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (7 of 76 remaining) [2023-11-19 08:04:20,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (6 of 76 remaining) [2023-11-19 08:04:20,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (5 of 76 remaining) [2023-11-19 08:04:20,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (4 of 76 remaining) [2023-11-19 08:04:20,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (3 of 76 remaining) [2023-11-19 08:04:20,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (2 of 76 remaining) [2023-11-19 08:04:20,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 76 remaining) [2023-11-19 08:04:20,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (0 of 76 remaining) [2023-11-19 08:04:20,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 08:04:20,586 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:20,593 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 08:04:20,593 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:04:20,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:04:20 BasicIcfg [2023-11-19 08:04:20,598 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:04:20,598 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:04:20,598 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:04:20,599 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:04:20,599 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:03" (3/4) ... [2023-11-19 08:04:20,601 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 08:04:20,604 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2023-11-19 08:04:20,605 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-11-19 08:04:20,608 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-19 08:04:20,609 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 08:04:20,609 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 08:04:20,609 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 08:04:20,694 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe219ba-91a7-4b56-9a90-41a7c4e4e1f5/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:04:20,694 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe219ba-91a7-4b56-9a90-41a7c4e4e1f5/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 08:04:20,694 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:04:20,695 INFO L158 Benchmark]: Toolchain (without parser) took 19401.31ms. Allocated memory was 159.4MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 110.7MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 482.5MB. Max. memory is 16.1GB. [2023-11-19 08:04:20,695 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 159.4MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:04:20,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 709.03ms. Allocated memory is still 159.4MB. Free memory was 110.7MB in the beginning and 89.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 08:04:20,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.29ms. Allocated memory is still 159.4MB. Free memory was 89.8MB in the beginning and 86.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:04:20,697 INFO L158 Benchmark]: Boogie Preprocessor took 87.43ms. Allocated memory is still 159.4MB. Free memory was 86.9MB in the beginning and 84.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:04:20,697 INFO L158 Benchmark]: RCFGBuilder took 960.58ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 84.8MB in the beginning and 171.3MB in the end (delta: -86.5MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2023-11-19 08:04:20,698 INFO L158 Benchmark]: TraceAbstraction took 17429.46ms. Allocated memory was 209.7MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 171.3MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 611.4MB. Max. memory is 16.1GB. [2023-11-19 08:04:20,698 INFO L158 Benchmark]: Witness Printer took 96.32ms. Allocated memory is still 2.6GB. Free memory was 2.1GB in the beginning and 2.0GB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:04:20,700 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 159.4MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 709.03ms. Allocated memory is still 159.4MB. Free memory was 110.7MB in the beginning and 89.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.29ms. Allocated memory is still 159.4MB. Free memory was 89.8MB in the beginning and 86.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.43ms. Allocated memory is still 159.4MB. Free memory was 86.9MB in the beginning and 84.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 960.58ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 84.8MB in the beginning and 171.3MB in the end (delta: -86.5MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * TraceAbstraction took 17429.46ms. Allocated memory was 209.7MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 171.3MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 611.4MB. Max. memory is 16.1GB. * Witness Printer took 96.32ms. Allocated memory is still 2.6GB. Free memory was 2.1GB in the beginning and 2.0GB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.2s, 168 PlacesBefore, 95 PlacesAfterwards, 187 TransitionsBefore, 106 TransitionsAfterwards, 15120 CoEnabledTransitionPairs, 5 FixpointIterations, 17 TrivialSequentialCompositions, 92 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 8 ChoiceCompositions, 126 TotalNumberOfCompositions, 49595 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 17802, independent: 17128, independent conditional: 0, independent unconditional: 17128, dependent: 674, dependent conditional: 0, dependent unconditional: 674, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6625, independent: 6527, independent conditional: 0, independent unconditional: 6527, dependent: 98, dependent conditional: 0, dependent unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 17802, independent: 10601, independent conditional: 0, independent unconditional: 10601, dependent: 576, dependent conditional: 0, dependent unconditional: 576, unknown: 6625, unknown conditional: 0, unknown unconditional: 6625] , Statistics on independence cache: Total cache size (in pairs): 1030, Positive cache size: 965, Positive conditional cache size: 0, Positive unconditional cache size: 965, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 776]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 833]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 799]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 834]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 802]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 836]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 806]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 839]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 809]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 813]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 817]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 821]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 825]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 764]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 766]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 847]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 848]: 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, 296 locations, 76 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: 17.3s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 711 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 625 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2174 IncrementalHoareTripleChecker+Invalid, 2213 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 31 mSDtfsCounter, 2174 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=405occurred in iteration=9, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 259 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 08:04:20,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe219ba-91a7-4b56-9a90-41a7c4e4e1f5/bin/uautomizer-verify-uCwYo4JHxu/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