./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-simpl-str-subst.wvr.c --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_16193665-0231-49e8-9eae-dfbb6afae61f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16193665-0231-49e8-9eae-dfbb6afae61f/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_16193665-0231-49e8-9eae-dfbb6afae61f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16193665-0231-49e8-9eae-dfbb6afae61f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-simpl-str-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16193665-0231-49e8-9eae-dfbb6afae61f/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_16193665-0231-49e8-9eae-dfbb6afae61f/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 58f1358e24877c92a149b6121e272e93974801203e91da3c444aa78d712ada40 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:55:41,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:55:41,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16193665-0231-49e8-9eae-dfbb6afae61f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:55:41,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:55:41,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:55:41,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:55:41,232 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:55:41,234 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:55:41,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:55:41,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:55:41,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:55:41,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:55:41,244 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:55:41,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:55:41,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:55:41,247 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:55:41,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:55:41,248 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:55:41,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:55:41,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:55:41,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:55:41,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:55:41,251 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:55:41,252 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:55:41,253 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:55:41,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:55:41,254 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:55:41,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:55:41,255 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:55:41,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:55:41,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:55:41,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:55:41,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:55:41,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:55:41,259 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:55:41,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:55:41,260 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:55:41,260 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:55:41,261 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:55:41,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:55:41,261 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:55:41,262 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_16193665-0231-49e8-9eae-dfbb6afae61f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16193665-0231-49e8-9eae-dfbb6afae61f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58f1358e24877c92a149b6121e272e93974801203e91da3c444aa78d712ada40 [2023-11-19 07:55:41,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:55:41,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:55:41,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:55:41,646 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:55:41,646 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:55:41,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16193665-0231-49e8-9eae-dfbb6afae61f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/chl-simpl-str-subst.wvr.c [2023-11-19 07:55:44,978 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:55:45,225 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:55:45,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16193665-0231-49e8-9eae-dfbb6afae61f/sv-benchmarks/c/weaver/chl-simpl-str-subst.wvr.c [2023-11-19 07:55:45,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16193665-0231-49e8-9eae-dfbb6afae61f/bin/uautomizer-verify-uCwYo4JHxu/data/f4f5de0e5/70f87e2143774773b91e9032c00330af/FLAG0bdcb2058 [2023-11-19 07:55:45,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16193665-0231-49e8-9eae-dfbb6afae61f/bin/uautomizer-verify-uCwYo4JHxu/data/f4f5de0e5/70f87e2143774773b91e9032c00330af [2023-11-19 07:55:45,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:55:45,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:55:45,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:55:45,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:55:45,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:55:45,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:45" (1/1) ... [2023-11-19 07:55:45,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@594edf8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:45, skipping insertion in model container [2023-11-19 07:55:45,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:45" (1/1) ... [2023-11-19 07:55:45,307 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:55:45,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:55:45,575 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:55:45,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:55:45,657 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:55:45,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:45 WrapperNode [2023-11-19 07:55:45,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:55:45,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:55:45,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:55:45,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:55:45,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:45" (1/1) ... [2023-11-19 07:55:45,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:45" (1/1) ... [2023-11-19 07:55:45,738 INFO L138 Inliner]: procedures = 23, calls = 32, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 272 [2023-11-19 07:55:45,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:55:45,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:55:45,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:55:45,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:55:45,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:45" (1/1) ... [2023-11-19 07:55:45,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:45" (1/1) ... [2023-11-19 07:55:45,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:45" (1/1) ... [2023-11-19 07:55:45,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:45" (1/1) ... [2023-11-19 07:55:45,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:45" (1/1) ... [2023-11-19 07:55:45,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:45" (1/1) ... [2023-11-19 07:55:45,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:45" (1/1) ... [2023-11-19 07:55:45,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:45" (1/1) ... [2023-11-19 07:55:45,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:55:45,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:55:45,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:55:45,829 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:55:45,830 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:45" (1/1) ... [2023-11-19 07:55:45,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:55:45,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16193665-0231-49e8-9eae-dfbb6afae61f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:45,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16193665-0231-49e8-9eae-dfbb6afae61f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:45,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16193665-0231-49e8-9eae-dfbb6afae61f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:55:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:55:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 07:55:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 07:55:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 07:55:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 07:55:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 07:55:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 07:55:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:55:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:55:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:55:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:55:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:55:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:55:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:55:45,926 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 07:55:46,051 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:55:46,053 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:55:46,624 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:55:46,641 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:55:46,641 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:55:46,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:46 BoogieIcfgContainer [2023-11-19 07:55:46,649 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:55:46,653 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:55:46,654 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:55:46,658 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:55:46,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:55:45" (1/3) ... [2023-11-19 07:55:46,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de99aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:46, skipping insertion in model container [2023-11-19 07:55:46,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:45" (2/3) ... [2023-11-19 07:55:46,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de99aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:46, skipping insertion in model container [2023-11-19 07:55:46,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:46" (3/3) ... [2023-11-19 07:55:46,669 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-subst.wvr.c [2023-11-19 07:55:46,680 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:55:46,692 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:55:46,692 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-11-19 07:55:46,693 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:55:46,865 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-19 07:55:46,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 350 places, 355 transitions, 731 flow [2023-11-19 07:55:47,076 INFO L124 PetriNetUnfolderBase]: 15/352 cut-off events. [2023-11-19 07:55:47,076 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 07:55:47,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 365 conditions, 352 events. 15/352 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 793 event pairs, 0 based on Foata normal form. 0/305 useless extension candidates. Maximal degree in co-relation 215. Up to 2 conditions per place. [2023-11-19 07:55:47,090 INFO L82 GeneralOperation]: Start removeDead. Operand has 350 places, 355 transitions, 731 flow [2023-11-19 07:55:47,101 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 323 places, 326 transitions, 670 flow [2023-11-19 07:55:47,105 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:55:47,115 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 323 places, 326 transitions, 670 flow [2023-11-19 07:55:47,118 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 323 places, 326 transitions, 670 flow [2023-11-19 07:55:47,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 326 transitions, 670 flow [2023-11-19 07:55:47,218 INFO L124 PetriNetUnfolderBase]: 13/326 cut-off events. [2023-11-19 07:55:47,218 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 07:55:47,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 326 events. 13/326 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 780 event pairs, 0 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 215. Up to 2 conditions per place. [2023-11-19 07:55:47,245 INFO L119 LiptonReduction]: Number of co-enabled transitions 31110 [2023-11-19 07:55:56,826 INFO L134 LiptonReduction]: Checked pairs total: 80954 [2023-11-19 07:55:56,827 INFO L136 LiptonReduction]: Total number of compositions: 328 [2023-11-19 07:55:56,863 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:55:56,875 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;@5ecd1a90, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:55:56,875 INFO L358 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2023-11-19 07:55:56,878 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:55:56,878 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 07:55:56,878 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:55:56,879 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:55:56,879 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 07:55:56,880 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-11-19 07:55:56,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:56,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1305, now seen corresponding path program 1 times [2023-11-19 07:55:56,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:56,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354816011] [2023-11-19 07:55:56,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:56,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:57,039 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 07:55:57,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:57,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354816011] [2023-11-19 07:55:57,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354816011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:57,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:57,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 07:55:57,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477863521] [2023-11-19 07:55:57,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:57,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:55:57,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:57,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:55:57,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:55:57,109 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 340 out of 683 [2023-11-19 07:55:57,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 83 transitions, 184 flow. Second operand has 2 states, 2 states have (on average 340.5) internal successors, (681), 2 states have internal predecessors, (681), 0 states have call successors, (0), 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 07:55:57,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:55:57,117 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 340 of 683 [2023-11-19 07:55:57,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:55:57,751 INFO L124 PetriNetUnfolderBase]: 2490/4377 cut-off events. [2023-11-19 07:55:57,751 INFO L125 PetriNetUnfolderBase]: For 181/181 co-relation queries the response was YES. [2023-11-19 07:55:57,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7955 conditions, 4377 events. 2490/4377 cut-off events. For 181/181 co-relation queries the response was YES. Maximal size of possible extension queue 284. Compared 29462 event pairs, 1782 based on Foata normal form. 94/3665 useless extension candidates. Maximal degree in co-relation 7181. Up to 3403 conditions per place. [2023-11-19 07:55:57,801 INFO L140 encePairwiseOnDemand]: 666/683 looper letters, 35 selfloop transitions, 0 changer transitions 1/66 dead transitions. [2023-11-19 07:55:57,802 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 66 transitions, 222 flow [2023-11-19 07:55:57,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:55:57,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:55:57,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 733 transitions. [2023-11-19 07:55:57,829 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5366032210834554 [2023-11-19 07:55:57,830 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 733 transitions. [2023-11-19 07:55:57,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 733 transitions. [2023-11-19 07:55:57,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:55:57,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 733 transitions. [2023-11-19 07:55:57,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 366.5) internal successors, (733), 2 states have internal predecessors, (733), 0 states have call successors, (0), 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 07:55:57,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 683.0) internal successors, (2049), 3 states have internal predecessors, (2049), 0 states have call successors, (0), 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 07:55:57,854 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 683.0) internal successors, (2049), 3 states have internal predecessors, (2049), 0 states have call successors, (0), 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 07:55:57,856 INFO L175 Difference]: Start difference. First operand has 86 places, 83 transitions, 184 flow. Second operand 2 states and 733 transitions. [2023-11-19 07:55:57,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 66 transitions, 222 flow [2023-11-19 07:55:57,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 66 transitions, 210 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-19 07:55:57,872 INFO L231 Difference]: Finished difference. Result has 65 places, 65 transitions, 135 flow [2023-11-19 07:55:57,875 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=683, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=64, 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=135, PETRI_PLACES=65, PETRI_TRANSITIONS=65} [2023-11-19 07:55:57,967 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -21 predicate places. [2023-11-19 07:55:57,968 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 65 transitions, 135 flow [2023-11-19 07:55:57,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 340.5) internal successors, (681), 2 states have internal predecessors, (681), 0 states have call successors, (0), 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 07:55:57,968 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:55:57,969 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-19 07:55:57,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:55:57,969 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-11-19 07:55:57,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:57,970 INFO L85 PathProgramCache]: Analyzing trace with hash 40247669, now seen corresponding path program 1 times [2023-11-19 07:55:57,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:57,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227787465] [2023-11-19 07:55:57,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:57,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:58,136 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 07:55:58,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:58,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227787465] [2023-11-19 07:55:58,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227787465] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:58,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:58,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:55:58,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968140073] [2023-11-19 07:55:58,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:58,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:55:58,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:58,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:55:58,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:55:58,169 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 683 [2023-11-19 07:55:58,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 65 transitions, 135 flow. Second operand has 3 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 0 states have call successors, (0), 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 07:55:58,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:55:58,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 683 [2023-11-19 07:55:58,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:55:58,781 INFO L124 PetriNetUnfolderBase]: 2795/4927 cut-off events. [2023-11-19 07:55:58,781 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-19 07:55:58,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8815 conditions, 4927 events. 2795/4927 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 34241 event pairs, 666 based on Foata normal form. 0/3980 useless extension candidates. Maximal degree in co-relation 8812. Up to 3791 conditions per place. [2023-11-19 07:55:58,835 INFO L140 encePairwiseOnDemand]: 679/683 looper letters, 49 selfloop transitions, 2 changer transitions 0/78 dead transitions. [2023-11-19 07:55:58,835 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 78 transitions, 265 flow [2023-11-19 07:55:58,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:55:58,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:55:58,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1052 transitions. [2023-11-19 07:55:58,840 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5134211810639336 [2023-11-19 07:55:58,841 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1052 transitions. [2023-11-19 07:55:58,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1052 transitions. [2023-11-19 07:55:58,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:55:58,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1052 transitions. [2023-11-19 07:55:58,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 350.6666666666667) internal successors, (1052), 3 states have internal predecessors, (1052), 0 states have call successors, (0), 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 07:55:58,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 683.0) internal successors, (2732), 4 states have internal predecessors, (2732), 0 states have call successors, (0), 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 07:55:58,857 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 683.0) internal successors, (2732), 4 states have internal predecessors, (2732), 0 states have call successors, (0), 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 07:55:58,857 INFO L175 Difference]: Start difference. First operand has 65 places, 65 transitions, 135 flow. Second operand 3 states and 1052 transitions. [2023-11-19 07:55:58,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 78 transitions, 265 flow [2023-11-19 07:55:58,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 78 transitions, 265 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:55:58,861 INFO L231 Difference]: Finished difference. Result has 65 places, 65 transitions, 145 flow [2023-11-19 07:55:58,861 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=683, PETRI_DIFFERENCE_MINUEND_FLOW=131, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=145, PETRI_PLACES=65, PETRI_TRANSITIONS=65} [2023-11-19 07:55:58,862 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -21 predicate places. [2023-11-19 07:55:58,862 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 65 transitions, 145 flow [2023-11-19 07:55:58,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 0 states have call successors, (0), 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 07:55:58,864 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:55:58,864 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:55:58,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:55:58,865 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-11-19 07:55:58,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:58,865 INFO L85 PathProgramCache]: Analyzing trace with hash 23336149, now seen corresponding path program 1 times [2023-11-19 07:55:58,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:58,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093292570] [2023-11-19 07:55:58,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:58,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:58,928 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 07:55:58,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:58,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093292570] [2023-11-19 07:55:58,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093292570] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:58,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:58,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:55:58,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195450482] [2023-11-19 07:55:58,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:58,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:55:58,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:58,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:55:58,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:55:58,949 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 683 [2023-11-19 07:55:58,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 65 transitions, 145 flow. Second operand has 3 states, 3 states have (on average 331.6666666666667) internal successors, (995), 3 states have internal predecessors, (995), 0 states have call successors, (0), 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 07:55:58,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:55:58,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 683 [2023-11-19 07:55:58,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:55:59,614 INFO L124 PetriNetUnfolderBase]: 2795/5033 cut-off events. [2023-11-19 07:55:59,614 INFO L125 PetriNetUnfolderBase]: For 293/293 co-relation queries the response was YES. [2023-11-19 07:55:59,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9212 conditions, 5033 events. 2795/5033 cut-off events. For 293/293 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 35384 event pairs, 473 based on Foata normal form. 0/4058 useless extension candidates. Maximal degree in co-relation 9208. Up to 3678 conditions per place. [2023-11-19 07:55:59,670 INFO L140 encePairwiseOnDemand]: 677/683 looper letters, 54 selfloop transitions, 3 changer transitions 0/81 dead transitions. [2023-11-19 07:55:59,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 81 transitions, 303 flow [2023-11-19 07:55:59,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:55:59,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:55:59,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1046 transitions. [2023-11-19 07:55:59,675 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5104929233772572 [2023-11-19 07:55:59,676 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1046 transitions. [2023-11-19 07:55:59,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1046 transitions. [2023-11-19 07:55:59,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:55:59,677 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1046 transitions. [2023-11-19 07:55:59,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 348.6666666666667) internal successors, (1046), 3 states have internal predecessors, (1046), 0 states have call successors, (0), 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 07:55:59,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 683.0) internal successors, (2732), 4 states have internal predecessors, (2732), 0 states have call successors, (0), 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 07:55:59,691 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 683.0) internal successors, (2732), 4 states have internal predecessors, (2732), 0 states have call successors, (0), 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 07:55:59,691 INFO L175 Difference]: Start difference. First operand has 65 places, 65 transitions, 145 flow. Second operand 3 states and 1046 transitions. [2023-11-19 07:55:59,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 81 transitions, 303 flow [2023-11-19 07:55:59,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 81 transitions, 303 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:55:59,695 INFO L231 Difference]: Finished difference. Result has 65 places, 65 transitions, 160 flow [2023-11-19 07:55:59,695 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=683, PETRI_DIFFERENCE_MINUEND_FLOW=139, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=160, PETRI_PLACES=65, PETRI_TRANSITIONS=65} [2023-11-19 07:55:59,696 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -21 predicate places. [2023-11-19 07:55:59,697 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 65 transitions, 160 flow [2023-11-19 07:55:59,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 331.6666666666667) internal successors, (995), 3 states have internal predecessors, (995), 0 states have call successors, (0), 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 07:55:59,698 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:55:59,699 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:59,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:55:59,699 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-11-19 07:55:59,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:59,700 INFO L85 PathProgramCache]: Analyzing trace with hash 723434836, now seen corresponding path program 1 times [2023-11-19 07:55:59,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:59,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012897179] [2023-11-19 07:55:59,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:59,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:59,788 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 07:55:59,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:59,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012897179] [2023-11-19 07:55:59,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012897179] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:59,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:59,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:55:59,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157945046] [2023-11-19 07:55:59,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:59,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:55:59,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:59,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:55:59,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:55:59,816 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 683 [2023-11-19 07:55:59,818 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 65 transitions, 160 flow. Second operand has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 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 07:55:59,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:55:59,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 683 [2023-11-19 07:55:59,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:56:00,338 INFO L124 PetriNetUnfolderBase]: 2490/4289 cut-off events. [2023-11-19 07:56:00,338 INFO L125 PetriNetUnfolderBase]: For 479/479 co-relation queries the response was YES. [2023-11-19 07:56:00,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8456 conditions, 4289 events. 2490/4289 cut-off events. For 479/479 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 28277 event pairs, 1273 based on Foata normal form. 0/3508 useless extension candidates. Maximal degree in co-relation 8451. Up to 2755 conditions per place. [2023-11-19 07:56:00,379 INFO L140 encePairwiseOnDemand]: 678/683 looper letters, 57 selfloop transitions, 4 changer transitions 0/85 dead transitions. [2023-11-19 07:56:00,380 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 85 transitions, 328 flow [2023-11-19 07:56:00,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:56:00,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:56:00,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1059 transitions. [2023-11-19 07:56:00,385 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5168374816983895 [2023-11-19 07:56:00,385 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1059 transitions. [2023-11-19 07:56:00,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1059 transitions. [2023-11-19 07:56:00,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:00,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1059 transitions. [2023-11-19 07:56:00,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 353.0) internal successors, (1059), 3 states have internal predecessors, (1059), 0 states have call successors, (0), 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 07:56:00,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 683.0) internal successors, (2732), 4 states have internal predecessors, (2732), 0 states have call successors, (0), 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 07:56:00,400 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 683.0) internal successors, (2732), 4 states have internal predecessors, (2732), 0 states have call successors, (0), 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 07:56:00,400 INFO L175 Difference]: Start difference. First operand has 65 places, 65 transitions, 160 flow. Second operand 3 states and 1059 transitions. [2023-11-19 07:56:00,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 85 transitions, 328 flow [2023-11-19 07:56:00,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 85 transitions, 328 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:56:00,404 INFO L231 Difference]: Finished difference. Result has 66 places, 64 transitions, 166 flow [2023-11-19 07:56:00,404 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=683, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=166, PETRI_PLACES=66, PETRI_TRANSITIONS=64} [2023-11-19 07:56:00,405 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -20 predicate places. [2023-11-19 07:56:00,405 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 64 transitions, 166 flow [2023-11-19 07:56:00,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 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 07:56:00,407 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:56:00,407 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:00,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:56:00,407 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-11-19 07:56:00,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:00,408 INFO L85 PathProgramCache]: Analyzing trace with hash 951234685, now seen corresponding path program 1 times [2023-11-19 07:56:00,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:00,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133479680] [2023-11-19 07:56:00,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:00,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:00,452 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 07:56:00,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:00,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133479680] [2023-11-19 07:56:00,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133479680] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:00,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:00,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:56:00,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339946255] [2023-11-19 07:56:00,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:00,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:56:00,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:00,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:56:00,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:56:00,481 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 683 [2023-11-19 07:56:00,483 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 64 transitions, 166 flow. Second operand has 3 states, 3 states have (on average 335.0) internal successors, (1005), 3 states have internal predecessors, (1005), 0 states have call successors, (0), 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 07:56:00,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:56:00,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 683 [2023-11-19 07:56:00,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:56:01,424 INFO L124 PetriNetUnfolderBase]: 4607/7678 cut-off events. [2023-11-19 07:56:01,424 INFO L125 PetriNetUnfolderBase]: For 1482/1482 co-relation queries the response was YES. [2023-11-19 07:56:01,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16051 conditions, 7678 events. 4607/7678 cut-off events. For 1482/1482 co-relation queries the response was YES. Maximal size of possible extension queue 415. Compared 52883 event pairs, 1305 based on Foata normal form. 0/6523 useless extension candidates. Maximal degree in co-relation 16045. Up to 3626 conditions per place. [2023-11-19 07:56:01,487 INFO L140 encePairwiseOnDemand]: 679/683 looper letters, 76 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2023-11-19 07:56:01,487 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 97 transitions, 417 flow [2023-11-19 07:56:01,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:56:01,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:56:01,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1071 transitions. [2023-11-19 07:56:01,492 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5226939970717424 [2023-11-19 07:56:01,492 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1071 transitions. [2023-11-19 07:56:01,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1071 transitions. [2023-11-19 07:56:01,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:01,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1071 transitions. [2023-11-19 07:56:01,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 357.0) internal successors, (1071), 3 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:01,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 683.0) internal successors, (2732), 4 states have internal predecessors, (2732), 0 states have call successors, (0), 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 07:56:01,506 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 683.0) internal successors, (2732), 4 states have internal predecessors, (2732), 0 states have call successors, (0), 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 07:56:01,507 INFO L175 Difference]: Start difference. First operand has 66 places, 64 transitions, 166 flow. Second operand 3 states and 1071 transitions. [2023-11-19 07:56:01,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 97 transitions, 417 flow [2023-11-19 07:56:01,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 97 transitions, 403 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:56:01,540 INFO L231 Difference]: Finished difference. Result has 65 places, 64 transitions, 168 flow [2023-11-19 07:56:01,540 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=683, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=65, PETRI_TRANSITIONS=64} [2023-11-19 07:56:01,541 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -21 predicate places. [2023-11-19 07:56:01,542 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 64 transitions, 168 flow [2023-11-19 07:56:01,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 335.0) internal successors, (1005), 3 states have internal predecessors, (1005), 0 states have call successors, (0), 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 07:56:01,543 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:56:01,543 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:01,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:56:01,543 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-11-19 07:56:01,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:01,544 INFO L85 PathProgramCache]: Analyzing trace with hash 380813743, now seen corresponding path program 1 times [2023-11-19 07:56:01,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:01,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276518363] [2023-11-19 07:56:01,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:01,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:01,582 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 07:56:01,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:01,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276518363] [2023-11-19 07:56:01,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276518363] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:01,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:01,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:56:01,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993731397] [2023-11-19 07:56:01,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:01,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:56:01,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:01,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:56:01,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:56:01,604 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 683 [2023-11-19 07:56:01,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 64 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 329.6666666666667) internal successors, (989), 3 states have internal predecessors, (989), 0 states have call successors, (0), 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 07:56:01,606 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:56:01,606 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 683 [2023-11-19 07:56:01,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:56:02,624 INFO L124 PetriNetUnfolderBase]: 5573/9189 cut-off events. [2023-11-19 07:56:02,624 INFO L125 PetriNetUnfolderBase]: For 1253/1253 co-relation queries the response was YES. [2023-11-19 07:56:02,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18914 conditions, 9189 events. 5573/9189 cut-off events. For 1253/1253 co-relation queries the response was YES. Maximal size of possible extension queue 455. Compared 62856 event pairs, 1151 based on Foata normal form. 0/7801 useless extension candidates. Maximal degree in co-relation 18908. Up to 6484 conditions per place. [2023-11-19 07:56:02,693 INFO L140 encePairwiseOnDemand]: 675/683 looper letters, 69 selfloop transitions, 4 changer transitions 0/88 dead transitions. [2023-11-19 07:56:02,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 88 transitions, 392 flow [2023-11-19 07:56:02,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:56:02,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:56:02,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1047 transitions. [2023-11-19 07:56:02,699 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5109809663250366 [2023-11-19 07:56:02,699 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1047 transitions. [2023-11-19 07:56:02,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1047 transitions. [2023-11-19 07:56:02,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:02,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1047 transitions. [2023-11-19 07:56:02,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 349.0) internal successors, (1047), 3 states have internal predecessors, (1047), 0 states have call successors, (0), 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 07:56:02,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 683.0) internal successors, (2732), 4 states have internal predecessors, (2732), 0 states have call successors, (0), 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 07:56:02,714 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 683.0) internal successors, (2732), 4 states have internal predecessors, (2732), 0 states have call successors, (0), 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 07:56:02,714 INFO L175 Difference]: Start difference. First operand has 65 places, 64 transitions, 168 flow. Second operand 3 states and 1047 transitions. [2023-11-19 07:56:02,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 88 transitions, 392 flow [2023-11-19 07:56:02,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 88 transitions, 392 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:56:02,718 INFO L231 Difference]: Finished difference. Result has 64 places, 64 transitions, 188 flow [2023-11-19 07:56:02,719 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=683, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=64, PETRI_TRANSITIONS=64} [2023-11-19 07:56:02,720 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -22 predicate places. [2023-11-19 07:56:02,720 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 64 transitions, 188 flow [2023-11-19 07:56:02,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 329.6666666666667) internal successors, (989), 3 states have internal predecessors, (989), 0 states have call successors, (0), 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 07:56:02,721 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:56:02,721 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:02,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:56:02,722 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-11-19 07:56:02,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:02,722 INFO L85 PathProgramCache]: Analyzing trace with hash -691475423, now seen corresponding path program 1 times [2023-11-19 07:56:02,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:02,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597973385] [2023-11-19 07:56:02,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:02,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,811 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 07:56:02,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:02,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597973385] [2023-11-19 07:56:02,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597973385] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:02,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:02,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:56:02,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067335969] [2023-11-19 07:56:02,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:02,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:56:02,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:02,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:56:02,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:56:02,834 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 683 [2023-11-19 07:56:02,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 64 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 335.3333333333333) internal successors, (1006), 3 states have internal predecessors, (1006), 0 states have call successors, (0), 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 07:56:02,837 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:56:02,837 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 683 [2023-11-19 07:56:02,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:56:04,009 INFO L124 PetriNetUnfolderBase]: 6318/9843 cut-off events. [2023-11-19 07:56:04,010 INFO L125 PetriNetUnfolderBase]: For 1328/1328 co-relation queries the response was YES. [2023-11-19 07:56:04,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21235 conditions, 9843 events. 6318/9843 cut-off events. For 1328/1328 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 62861 event pairs, 2145 based on Foata normal form. 0/8451 useless extension candidates. Maximal degree in co-relation 21228. Up to 4710 conditions per place. [2023-11-19 07:56:04,087 INFO L140 encePairwiseOnDemand]: 679/683 looper letters, 78 selfloop transitions, 2 changer transitions 0/98 dead transitions. [2023-11-19 07:56:04,087 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 98 transitions, 441 flow [2023-11-19 07:56:04,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:56:04,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:56:04,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1072 transitions. [2023-11-19 07:56:04,091 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5231820400195217 [2023-11-19 07:56:04,092 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1072 transitions. [2023-11-19 07:56:04,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1072 transitions. [2023-11-19 07:56:04,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:04,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1072 transitions. [2023-11-19 07:56:04,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 357.3333333333333) internal successors, (1072), 3 states have internal predecessors, (1072), 0 states have call successors, (0), 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 07:56:04,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 683.0) internal successors, (2732), 4 states have internal predecessors, (2732), 0 states have call successors, (0), 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 07:56:04,107 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 683.0) internal successors, (2732), 4 states have internal predecessors, (2732), 0 states have call successors, (0), 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 07:56:04,107 INFO L175 Difference]: Start difference. First operand has 64 places, 64 transitions, 188 flow. Second operand 3 states and 1072 transitions. [2023-11-19 07:56:04,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 98 transitions, 441 flow [2023-11-19 07:56:04,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 98 transitions, 441 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:56:04,113 INFO L231 Difference]: Finished difference. Result has 65 places, 64 transitions, 198 flow [2023-11-19 07:56:04,114 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=683, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=65, PETRI_TRANSITIONS=64} [2023-11-19 07:56:04,116 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -21 predicate places. [2023-11-19 07:56:04,116 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 64 transitions, 198 flow [2023-11-19 07:56:04,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 335.3333333333333) internal successors, (1006), 3 states have internal predecessors, (1006), 0 states have call successors, (0), 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 07:56:04,118 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:56:04,118 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:04,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:56:04,119 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-11-19 07:56:04,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:04,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1488694275, now seen corresponding path program 1 times [2023-11-19 07:56:04,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:04,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173871649] [2023-11-19 07:56:04,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:04,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:04,190 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 07:56:04,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:04,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173871649] [2023-11-19 07:56:04,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173871649] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:04,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:04,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:56:04,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373797534] [2023-11-19 07:56:04,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:04,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:56:04,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:04,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:56:04,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:56:04,204 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 683 [2023-11-19 07:56:04,206 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 64 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 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 07:56:04,206 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:56:04,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 683 [2023-11-19 07:56:04,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:56:05,333 INFO L124 PetriNetUnfolderBase]: 6362/9880 cut-off events. [2023-11-19 07:56:05,334 INFO L125 PetriNetUnfolderBase]: For 1402/1402 co-relation queries the response was YES. [2023-11-19 07:56:05,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21823 conditions, 9880 events. 6362/9880 cut-off events. For 1402/1402 co-relation queries the response was YES. Maximal size of possible extension queue 450. Compared 62858 event pairs, 2437 based on Foata normal form. 0/8496 useless extension candidates. Maximal degree in co-relation 21815. Up to 4637 conditions per place. [2023-11-19 07:56:05,389 INFO L140 encePairwiseOnDemand]: 679/683 looper letters, 0 selfloop transitions, 0 changer transitions 99/99 dead transitions. [2023-11-19 07:56:05,389 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 99 transitions, 461 flow [2023-11-19 07:56:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:56:05,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:56:05,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1069 transitions. [2023-11-19 07:56:05,395 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5217179111761835 [2023-11-19 07:56:05,396 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1069 transitions. [2023-11-19 07:56:05,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1069 transitions. [2023-11-19 07:56:05,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:05,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1069 transitions. [2023-11-19 07:56:05,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 356.3333333333333) internal successors, (1069), 3 states have internal predecessors, (1069), 0 states have call successors, (0), 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 07:56:05,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 683.0) internal successors, (2732), 4 states have internal predecessors, (2732), 0 states have call successors, (0), 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 07:56:05,409 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 683.0) internal successors, (2732), 4 states have internal predecessors, (2732), 0 states have call successors, (0), 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 07:56:05,410 INFO L175 Difference]: Start difference. First operand has 65 places, 64 transitions, 198 flow. Second operand 3 states and 1069 transitions. [2023-11-19 07:56:05,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 99 transitions, 461 flow [2023-11-19 07:56:05,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 99 transitions, 461 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:56:05,416 INFO L231 Difference]: Finished difference. Result has 65 places, 0 transitions, 0 flow [2023-11-19 07:56:05,416 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=683, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=65, PETRI_TRANSITIONS=0} [2023-11-19 07:56:05,419 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -21 predicate places. [2023-11-19 07:56:05,419 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 0 transitions, 0 flow [2023-11-19 07:56:05,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 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 07:56:05,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (52 of 53 remaining) [2023-11-19 07:56:05,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2023-11-19 07:56:05,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2023-11-19 07:56:05,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2023-11-19 07:56:05,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2023-11-19 07:56:05,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2023-11-19 07:56:05,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2023-11-19 07:56:05,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2023-11-19 07:56:05,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2023-11-19 07:56:05,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2023-11-19 07:56:05,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2023-11-19 07:56:05,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2023-11-19 07:56:05,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2023-11-19 07:56:05,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2023-11-19 07:56:05,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2023-11-19 07:56:05,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2023-11-19 07:56:05,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2023-11-19 07:56:05,437 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2023-11-19 07:56:05,437 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2023-11-19 07:56:05,437 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2023-11-19 07:56:05,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2023-11-19 07:56:05,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2023-11-19 07:56:05,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2023-11-19 07:56:05,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2023-11-19 07:56:05,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2023-11-19 07:56:05,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2023-11-19 07:56:05,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2023-11-19 07:56:05,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2023-11-19 07:56:05,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2023-11-19 07:56:05,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining) [2023-11-19 07:56:05,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining) [2023-11-19 07:56:05,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining) [2023-11-19 07:56:05,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 53 remaining) [2023-11-19 07:56:05,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 53 remaining) [2023-11-19 07:56:05,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 53 remaining) [2023-11-19 07:56:05,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2023-11-19 07:56:05,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2023-11-19 07:56:05,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2023-11-19 07:56:05,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2023-11-19 07:56:05,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2023-11-19 07:56:05,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2023-11-19 07:56:05,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2023-11-19 07:56:05,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2023-11-19 07:56:05,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2023-11-19 07:56:05,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2023-11-19 07:56:05,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2023-11-19 07:56:05,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2023-11-19 07:56:05,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2023-11-19 07:56:05,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2023-11-19 07:56:05,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2023-11-19 07:56:05,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2023-11-19 07:56:05,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2023-11-19 07:56:05,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2023-11-19 07:56:05,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:56:05,448 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:05,455 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:56:05,455 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:56:05,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:56:05 BasicIcfg [2023-11-19 07:56:05,461 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:56:05,462 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:56:05,462 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:56:05,462 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:56:05,463 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:46" (3/4) ... [2023-11-19 07:56:05,468 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:56:05,473 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 07:56:05,474 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 07:56:05,474 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-19 07:56:05,486 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-19 07:56:05,486 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:56:05,487 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:56:05,488 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:56:05,629 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16193665-0231-49e8-9eae-dfbb6afae61f/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:56:05,630 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16193665-0231-49e8-9eae-dfbb6afae61f/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:56:05,630 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:56:05,631 INFO L158 Benchmark]: Toolchain (without parser) took 20377.26ms. Allocated memory was 157.3MB in the beginning and 926.9MB in the end (delta: 769.7MB). Free memory was 109.5MB in the beginning and 632.6MB in the end (delta: -523.1MB). Peak memory consumption was 248.3MB. Max. memory is 16.1GB. [2023-11-19 07:56:05,631 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 157.3MB. Free memory is still 100.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:56:05,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.09ms. Allocated memory is still 157.3MB. Free memory was 108.9MB in the beginning and 96.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:56:05,632 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.84ms. Allocated memory is still 157.3MB. Free memory was 96.9MB in the beginning and 94.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:56:05,633 INFO L158 Benchmark]: Boogie Preprocessor took 88.58ms. Allocated memory is still 157.3MB. Free memory was 94.2MB in the beginning and 92.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:56:05,633 INFO L158 Benchmark]: RCFGBuilder took 820.56ms. Allocated memory is still 157.3MB. Free memory was 92.8MB in the beginning and 67.0MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 07:56:05,634 INFO L158 Benchmark]: TraceAbstraction took 18808.16ms. Allocated memory was 157.3MB in the beginning and 926.9MB in the end (delta: 769.7MB). Free memory was 66.3MB in the beginning and 637.8MB in the end (delta: -571.5MB). Peak memory consumption was 319.6MB. Max. memory is 16.1GB. [2023-11-19 07:56:05,634 INFO L158 Benchmark]: Witness Printer took 168.50ms. Allocated memory is still 926.9MB. Free memory was 637.8MB in the beginning and 632.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:56:05,637 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 157.3MB. Free memory is still 100.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.09ms. Allocated memory is still 157.3MB. Free memory was 108.9MB in the beginning and 96.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.84ms. Allocated memory is still 157.3MB. Free memory was 96.9MB in the beginning and 94.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.58ms. Allocated memory is still 157.3MB. Free memory was 94.2MB in the beginning and 92.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 820.56ms. Allocated memory is still 157.3MB. Free memory was 92.8MB in the beginning and 67.0MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 18808.16ms. Allocated memory was 157.3MB in the beginning and 926.9MB in the end (delta: 769.7MB). Free memory was 66.3MB in the beginning and 637.8MB in the end (delta: -571.5MB). Peak memory consumption was 319.6MB. Max. memory is 16.1GB. * Witness Printer took 168.50ms. Allocated memory is still 926.9MB. Free memory was 637.8MB in the beginning and 632.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.7s, 323 PlacesBefore, 86 PlacesAfterwards, 326 TransitionsBefore, 83 TransitionsAfterwards, 31110 CoEnabledTransitionPairs, 8 FixpointIterations, 117 TrivialSequentialCompositions, 160 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 42 ConcurrentYvCompositions, 6 ChoiceCompositions, 328 TotalNumberOfCompositions, 80954 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 47661, independent: 46819, independent conditional: 0, independent unconditional: 46819, dependent: 842, dependent conditional: 0, dependent unconditional: 842, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 18135, independent: 18044, independent conditional: 0, independent unconditional: 18044, dependent: 91, dependent conditional: 0, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 47661, independent: 28775, independent conditional: 0, independent unconditional: 28775, dependent: 751, dependent conditional: 0, dependent unconditional: 751, unknown: 18135, unknown conditional: 0, unknown unconditional: 18135] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1159, Positive conditional cache size: 0, Positive unconditional cache size: 1159, Negative cache size: 49, Negative conditional cache size: 0, Negative unconditional cache size: 49, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 518 locations, 53 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: 18.5s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 330 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 239 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 690 IncrementalHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 33 mSDtfsCounter, 690 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=7, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 62 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:56:05,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16193665-0231-49e8-9eae-dfbb6afae61f/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