./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_28-base_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb7287-7a67-4be5-b06b-e507550f56b1/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb7287-7a67-4be5-b06b-e507550f56b1/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_aabb7287-7a67-4be5-b06b-e507550f56b1/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb7287-7a67-4be5-b06b-e507550f56b1/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_28-base_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb7287-7a67-4be5-b06b-e507550f56b1/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_aabb7287-7a67-4be5-b06b-e507550f56b1/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 b122c739007cec8de5153cdeef5c57a127766b5f2404e5e5123833b6458d9bfd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:58:56,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:58:56,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb7287-7a67-4be5-b06b-e507550f56b1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:58:56,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:58:56,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:58:56,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:58:56,340 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:58:56,341 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:58:56,342 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:58:56,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:58:56,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:58:56,350 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:58:56,350 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:58:56,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:58:56,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:58:56,354 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:58:56,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:58:56,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:58:56,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:58:56,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:58:56,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:58:56,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:58:56,358 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:58:56,358 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:58:56,358 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:58:56,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:58:56,359 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:58:56,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:58:56,361 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:58:56,361 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:58:56,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:58:56,363 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:58:56,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:58:56,364 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:58:56,364 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:58:56,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:58:56,365 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:58:56,365 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:58:56,365 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:58:56,365 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:58:56,366 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:58:56,366 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_aabb7287-7a67-4be5-b06b-e507550f56b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb7287-7a67-4be5-b06b-e507550f56b1/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b122c739007cec8de5153cdeef5c57a127766b5f2404e5e5123833b6458d9bfd [2023-11-19 07:58:56,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:58:56,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:58:56,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:58:56,829 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:58:56,830 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:58:56,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb7287-7a67-4be5-b06b-e507550f56b1/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-regression/04-mutex_28-base_nr.i [2023-11-19 07:59:00,349 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:59:00,746 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:59:00,747 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb7287-7a67-4be5-b06b-e507550f56b1/sv-benchmarks/c/goblint-regression/04-mutex_28-base_nr.i [2023-11-19 07:59:00,788 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb7287-7a67-4be5-b06b-e507550f56b1/bin/uautomizer-verify-uCwYo4JHxu/data/821b5e39a/09a38151468640a9ae486423776a0793/FLAG687f668e2 [2023-11-19 07:59:00,809 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb7287-7a67-4be5-b06b-e507550f56b1/bin/uautomizer-verify-uCwYo4JHxu/data/821b5e39a/09a38151468640a9ae486423776a0793 [2023-11-19 07:59:00,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:59:00,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:59:00,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:59:00,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:59:00,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:59:00,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:00" (1/1) ... [2023-11-19 07:59:00,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e98893c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:00, skipping insertion in model container [2023-11-19 07:59:00,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:00" (1/1) ... [2023-11-19 07:59:00,895 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:59:01,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:59:01,706 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:59:01,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:59:01,935 WARN L675 CHandler]: The function g is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:59:01,945 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:59:01,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:01 WrapperNode [2023-11-19 07:59:01,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:59:01,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:59:01,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:59:01,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:59:01,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:01" (1/1) ... [2023-11-19 07:59:02,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:01" (1/1) ... [2023-11-19 07:59:02,054 INFO L138 Inliner]: procedures = 265, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2023-11-19 07:59:02,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:59:02,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:59:02,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:59:02,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:59:02,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:01" (1/1) ... [2023-11-19 07:59:02,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:01" (1/1) ... [2023-11-19 07:59:02,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:01" (1/1) ... [2023-11-19 07:59:02,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:01" (1/1) ... [2023-11-19 07:59:02,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:01" (1/1) ... [2023-11-19 07:59:02,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:01" (1/1) ... [2023-11-19 07:59:02,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:01" (1/1) ... [2023-11-19 07:59:02,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:01" (1/1) ... [2023-11-19 07:59:02,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:59:02,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:59:02,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:59:02,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:59:02,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:01" (1/1) ... [2023-11-19 07:59:02,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:59:02,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb7287-7a67-4be5-b06b-e507550f56b1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:02,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb7287-7a67-4be5-b06b-e507550f56b1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:02,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb7287-7a67-4be5-b06b-e507550f56b1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:59:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:59:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:59:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:59:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 07:59:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:59:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-19 07:59:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-19 07:59:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:59:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:59:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:59:02,242 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 07:59:02,422 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:59:02,425 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:59:02,700 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:59:02,716 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:59:02,719 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:59:02,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:02 BoogieIcfgContainer [2023-11-19 07:59:02,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:59:02,731 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:59:02,731 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:59:02,735 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:59:02,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:59:00" (1/3) ... [2023-11-19 07:59:02,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150142a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:02, skipping insertion in model container [2023-11-19 07:59:02,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:01" (2/3) ... [2023-11-19 07:59:02,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150142a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:02, skipping insertion in model container [2023-11-19 07:59:02,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:02" (3/3) ... [2023-11-19 07:59:02,747 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_28-base_nr.i [2023-11-19 07:59:02,759 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:59:02,774 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:59:02,776 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-19 07:59:02,777 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:59:02,887 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 07:59:02,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 79 transitions, 162 flow [2023-11-19 07:59:03,022 INFO L124 PetriNetUnfolderBase]: 0/78 cut-off events. [2023-11-19 07:59:03,023 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:59:03,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 78 events. 0/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-19 07:59:03,027 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 79 transitions, 162 flow [2023-11-19 07:59:03,034 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 78 transitions, 159 flow [2023-11-19 07:59:03,039 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:59:03,052 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 78 transitions, 159 flow [2023-11-19 07:59:03,059 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 78 transitions, 159 flow [2023-11-19 07:59:03,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 78 transitions, 159 flow [2023-11-19 07:59:03,095 INFO L124 PetriNetUnfolderBase]: 0/78 cut-off events. [2023-11-19 07:59:03,095 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:59:03,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 78 events. 0/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-19 07:59:03,098 INFO L119 LiptonReduction]: Number of co-enabled transitions 1392 [2023-11-19 07:59:06,115 INFO L134 LiptonReduction]: Checked pairs total: 4678 [2023-11-19 07:59:06,115 INFO L136 LiptonReduction]: Total number of compositions: 51 [2023-11-19 07:59:06,135 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:59:06,143 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;@62a68950, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:59:06,144 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-11-19 07:59:06,149 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:59:06,149 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2023-11-19 07:59:06,150 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:59:06,150 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:59:06,151 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 07:59:06,152 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 07:59:06,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:06,159 INFO L85 PathProgramCache]: Analyzing trace with hash 257074640, now seen corresponding path program 1 times [2023-11-19 07:59:06,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:06,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977250578] [2023-11-19 07:59:06,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:06,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:06,470 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 07:59:06,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:06,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977250578] [2023-11-19 07:59:06,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977250578] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:06,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:06,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:59:06,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727224639] [2023-11-19 07:59:06,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:06,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:59:06,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:06,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:59:06,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:06,568 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 130 [2023-11-19 07:59:06,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 27 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 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 07:59:06,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:59:06,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 130 [2023-11-19 07:59:06,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:59:06,712 INFO L124 PetriNetUnfolderBase]: 85/273 cut-off events. [2023-11-19 07:59:06,712 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:59:06,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 273 events. 85/273 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1384 event pairs, 10 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 470. Up to 101 conditions per place. [2023-11-19 07:59:06,719 INFO L140 encePairwiseOnDemand]: 126/130 looper letters, 28 selfloop transitions, 3 changer transitions 0/40 dead transitions. [2023-11-19 07:59:06,720 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 40 transitions, 145 flow [2023-11-19 07:59:06,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:59:06,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:59:06,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 254 transitions. [2023-11-19 07:59:06,739 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6512820512820513 [2023-11-19 07:59:06,741 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 254 transitions. [2023-11-19 07:59:06,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 254 transitions. [2023-11-19 07:59:06,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:59:06,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 254 transitions. [2023-11-19 07:59:06,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 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 07:59:06,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 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 07:59:06,760 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 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 07:59:06,762 INFO L175 Difference]: Start difference. First operand has 31 places, 27 transitions, 57 flow. Second operand 3 states and 254 transitions. [2023-11-19 07:59:06,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 40 transitions, 145 flow [2023-11-19 07:59:06,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 40 transitions, 144 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:59:06,770 INFO L231 Difference]: Finished difference. Result has 34 places, 29 transitions, 78 flow [2023-11-19 07:59:06,773 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=34, PETRI_TRANSITIONS=29} [2023-11-19 07:59:06,778 INFO L281 CegarLoopForPetriNet]: 31 programPoint places, 3 predicate places. [2023-11-19 07:59:06,778 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 29 transitions, 78 flow [2023-11-19 07:59:06,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 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 07:59:06,779 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:59:06,779 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:59:06,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:59:06,780 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 07:59:06,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:06,781 INFO L85 PathProgramCache]: Analyzing trace with hash -620333938, now seen corresponding path program 1 times [2023-11-19 07:59:06,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:06,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790720436] [2023-11-19 07:59:06,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:06,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:06,861 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 07:59:06,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:06,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790720436] [2023-11-19 07:59:06,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790720436] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:06,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:06,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:59:06,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980474347] [2023-11-19 07:59:06,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:06,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:59:06,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:06,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:59:06,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:06,890 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 130 [2023-11-19 07:59:06,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 29 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 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 07:59:06,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:59:06,892 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 130 [2023-11-19 07:59:06,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:59:07,004 INFO L124 PetriNetUnfolderBase]: 108/319 cut-off events. [2023-11-19 07:59:07,004 INFO L125 PetriNetUnfolderBase]: For 46/48 co-relation queries the response was YES. [2023-11-19 07:59:07,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 616 conditions, 319 events. 108/319 cut-off events. For 46/48 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1626 event pairs, 69 based on Foata normal form. 0/296 useless extension candidates. Maximal degree in co-relation 606. Up to 190 conditions per place. [2023-11-19 07:59:07,010 INFO L140 encePairwiseOnDemand]: 125/130 looper letters, 24 selfloop transitions, 5 changer transitions 0/39 dead transitions. [2023-11-19 07:59:07,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 39 transitions, 160 flow [2023-11-19 07:59:07,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:59:07,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:59:07,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 239 transitions. [2023-11-19 07:59:07,014 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6128205128205129 [2023-11-19 07:59:07,015 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 239 transitions. [2023-11-19 07:59:07,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 239 transitions. [2023-11-19 07:59:07,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:59:07,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 239 transitions. [2023-11-19 07:59:07,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 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 07:59:07,020 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 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 07:59:07,021 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 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 07:59:07,021 INFO L175 Difference]: Start difference. First operand has 34 places, 29 transitions, 78 flow. Second operand 3 states and 239 transitions. [2023-11-19 07:59:07,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 39 transitions, 160 flow [2023-11-19 07:59:07,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 39 transitions, 152 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:59:07,025 INFO L231 Difference]: Finished difference. Result has 36 places, 32 transitions, 108 flow [2023-11-19 07:59:07,025 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=108, PETRI_PLACES=36, PETRI_TRANSITIONS=32} [2023-11-19 07:59:07,026 INFO L281 CegarLoopForPetriNet]: 31 programPoint places, 5 predicate places. [2023-11-19 07:59:07,027 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 32 transitions, 108 flow [2023-11-19 07:59:07,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 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 07:59:07,028 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:59:07,028 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:07,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:59:07,029 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 07:59:07,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:07,030 INFO L85 PathProgramCache]: Analyzing trace with hash 619066598, now seen corresponding path program 1 times [2023-11-19 07:59:07,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:07,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121968153] [2023-11-19 07:59:07,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:07,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:07,188 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 07:59:07,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:07,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121968153] [2023-11-19 07:59:07,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121968153] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:07,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:07,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:59:07,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031443820] [2023-11-19 07:59:07,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:07,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:59:07,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:07,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:59:07,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:07,229 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 130 [2023-11-19 07:59:07,230 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 32 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 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 07:59:07,230 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:59:07,231 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 130 [2023-11-19 07:59:07,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:59:07,327 INFO L124 PetriNetUnfolderBase]: 54/195 cut-off events. [2023-11-19 07:59:07,327 INFO L125 PetriNetUnfolderBase]: For 67/68 co-relation queries the response was YES. [2023-11-19 07:59:07,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 408 conditions, 195 events. 54/195 cut-off events. For 67/68 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 887 event pairs, 38 based on Foata normal form. 4/190 useless extension candidates. Maximal degree in co-relation 397. Up to 107 conditions per place. [2023-11-19 07:59:07,331 INFO L140 encePairwiseOnDemand]: 124/130 looper letters, 23 selfloop transitions, 6 changer transitions 0/38 dead transitions. [2023-11-19 07:59:07,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 38 transitions, 174 flow [2023-11-19 07:59:07,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:59:07,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:59:07,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 243 transitions. [2023-11-19 07:59:07,334 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6230769230769231 [2023-11-19 07:59:07,334 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 243 transitions. [2023-11-19 07:59:07,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 243 transitions. [2023-11-19 07:59:07,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:59:07,335 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 243 transitions. [2023-11-19 07:59:07,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 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 07:59:07,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 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 07:59:07,339 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 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 07:59:07,340 INFO L175 Difference]: Start difference. First operand has 36 places, 32 transitions, 108 flow. Second operand 3 states and 243 transitions. [2023-11-19 07:59:07,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 38 transitions, 174 flow [2023-11-19 07:59:07,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 38 transitions, 146 flow, removed 4 selfloop flow, removed 4 redundant places. [2023-11-19 07:59:07,344 INFO L231 Difference]: Finished difference. Result has 33 places, 30 transitions, 94 flow [2023-11-19 07:59:07,344 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=33, PETRI_TRANSITIONS=30} [2023-11-19 07:59:07,346 INFO L281 CegarLoopForPetriNet]: 31 programPoint places, 2 predicate places. [2023-11-19 07:59:07,346 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 30 transitions, 94 flow [2023-11-19 07:59:07,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 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 07:59:07,347 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:59:07,347 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:07,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:59:07,348 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 07:59:07,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:07,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1312995275, now seen corresponding path program 1 times [2023-11-19 07:59:07,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:07,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825960320] [2023-11-19 07:59:07,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:07,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:07,433 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 07:59:07,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:07,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825960320] [2023-11-19 07:59:07,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825960320] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:07,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:07,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:59:07,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108622177] [2023-11-19 07:59:07,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:07,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:59:07,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:07,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:59:07,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:07,458 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 130 [2023-11-19 07:59:07,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 30 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 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 07:59:07,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:59:07,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 130 [2023-11-19 07:59:07,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:59:07,566 INFO L124 PetriNetUnfolderBase]: 88/253 cut-off events. [2023-11-19 07:59:07,566 INFO L125 PetriNetUnfolderBase]: For 65/65 co-relation queries the response was YES. [2023-11-19 07:59:07,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 596 conditions, 253 events. 88/253 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1132 event pairs, 32 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 585. Up to 122 conditions per place. [2023-11-19 07:59:07,569 INFO L140 encePairwiseOnDemand]: 124/130 looper letters, 30 selfloop transitions, 4 changer transitions 4/43 dead transitions. [2023-11-19 07:59:07,569 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 43 transitions, 216 flow [2023-11-19 07:59:07,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:59:07,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:59:07,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions. [2023-11-19 07:59:07,572 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6358974358974359 [2023-11-19 07:59:07,572 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 248 transitions. [2023-11-19 07:59:07,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 248 transitions. [2023-11-19 07:59:07,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:59:07,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 248 transitions. [2023-11-19 07:59:07,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 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 07:59:07,576 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 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 07:59:07,576 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 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 07:59:07,577 INFO L175 Difference]: Start difference. First operand has 33 places, 30 transitions, 94 flow. Second operand 3 states and 248 transitions. [2023-11-19 07:59:07,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 43 transitions, 216 flow [2023-11-19 07:59:07,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 43 transitions, 206 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:59:07,580 INFO L231 Difference]: Finished difference. Result has 35 places, 30 transitions, 108 flow [2023-11-19 07:59:07,580 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=108, PETRI_PLACES=35, PETRI_TRANSITIONS=30} [2023-11-19 07:59:07,582 INFO L281 CegarLoopForPetriNet]: 31 programPoint places, 4 predicate places. [2023-11-19 07:59:07,582 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 30 transitions, 108 flow [2023-11-19 07:59:07,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 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 07:59:07,582 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:59:07,583 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:07,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:59:07,583 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 07:59:07,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:07,584 INFO L85 PathProgramCache]: Analyzing trace with hash 931976707, now seen corresponding path program 1 times [2023-11-19 07:59:07,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:07,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066227955] [2023-11-19 07:59:07,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:07,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:07,632 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 07:59:07,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:07,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066227955] [2023-11-19 07:59:07,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066227955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:07,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:07,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:59:07,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808688796] [2023-11-19 07:59:07,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:07,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:59:07,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:07,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:59:07,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:07,654 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 130 [2023-11-19 07:59:07,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 30 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 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 07:59:07,655 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:59:07,655 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 130 [2023-11-19 07:59:07,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:59:07,733 INFO L124 PetriNetUnfolderBase]: 73/225 cut-off events. [2023-11-19 07:59:07,733 INFO L125 PetriNetUnfolderBase]: For 115/115 co-relation queries the response was YES. [2023-11-19 07:59:07,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 611 conditions, 225 events. 73/225 cut-off events. For 115/115 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 998 event pairs, 49 based on Foata normal form. 0/220 useless extension candidates. Maximal degree in co-relation 599. Up to 173 conditions per place. [2023-11-19 07:59:07,735 INFO L140 encePairwiseOnDemand]: 126/130 looper letters, 23 selfloop transitions, 3 changer transitions 5/37 dead transitions. [2023-11-19 07:59:07,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 37 transitions, 194 flow [2023-11-19 07:59:07,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:59:07,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:59:07,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 233 transitions. [2023-11-19 07:59:07,737 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5974358974358974 [2023-11-19 07:59:07,738 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 233 transitions. [2023-11-19 07:59:07,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 233 transitions. [2023-11-19 07:59:07,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:59:07,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 233 transitions. [2023-11-19 07:59:07,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 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 07:59:07,741 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 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 07:59:07,742 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 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 07:59:07,742 INFO L175 Difference]: Start difference. First operand has 35 places, 30 transitions, 108 flow. Second operand 3 states and 233 transitions. [2023-11-19 07:59:07,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 37 transitions, 194 flow [2023-11-19 07:59:07,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 37 transitions, 184 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:59:07,745 INFO L231 Difference]: Finished difference. Result has 36 places, 28 transitions, 105 flow [2023-11-19 07:59:07,746 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=105, PETRI_PLACES=36, PETRI_TRANSITIONS=28} [2023-11-19 07:59:07,747 INFO L281 CegarLoopForPetriNet]: 31 programPoint places, 5 predicate places. [2023-11-19 07:59:07,747 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 105 flow [2023-11-19 07:59:07,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 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 07:59:07,747 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:59:07,748 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:07,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:59:07,748 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 07:59:07,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:07,749 INFO L85 PathProgramCache]: Analyzing trace with hash 538365536, now seen corresponding path program 1 times [2023-11-19 07:59:07,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:07,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409167765] [2023-11-19 07:59:07,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:07,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:07,861 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 07:59:07,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:07,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409167765] [2023-11-19 07:59:07,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409167765] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:07,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:07,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:59:07,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342284281] [2023-11-19 07:59:07,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:07,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:59:07,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:07,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:59:07,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:07,893 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 130 [2023-11-19 07:59:07,894 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 28 transitions, 105 flow. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 07:59:07,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:59:07,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 130 [2023-11-19 07:59:07,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:59:07,999 INFO L124 PetriNetUnfolderBase]: 46/211 cut-off events. [2023-11-19 07:59:08,000 INFO L125 PetriNetUnfolderBase]: For 143/143 co-relation queries the response was YES. [2023-11-19 07:59:08,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 599 conditions, 211 events. 46/211 cut-off events. For 143/143 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1045 event pairs, 8 based on Foata normal form. 12/223 useless extension candidates. Maximal degree in co-relation 586. Up to 86 conditions per place. [2023-11-19 07:59:08,002 INFO L140 encePairwiseOnDemand]: 124/130 looper letters, 22 selfloop transitions, 6 changer transitions 3/40 dead transitions. [2023-11-19 07:59:08,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 40 transitions, 219 flow [2023-11-19 07:59:08,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:59:08,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:59:08,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 243 transitions. [2023-11-19 07:59:08,005 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6230769230769231 [2023-11-19 07:59:08,005 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 243 transitions. [2023-11-19 07:59:08,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 243 transitions. [2023-11-19 07:59:08,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:59:08,006 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 243 transitions. [2023-11-19 07:59:08,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 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 07:59:08,009 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 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 07:59:08,010 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 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 07:59:08,010 INFO L175 Difference]: Start difference. First operand has 36 places, 28 transitions, 105 flow. Second operand 3 states and 243 transitions. [2023-11-19 07:59:08,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 40 transitions, 219 flow [2023-11-19 07:59:08,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 40 transitions, 206 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:59:08,015 INFO L231 Difference]: Finished difference. Result has 37 places, 30 transitions, 126 flow [2023-11-19 07:59:08,016 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=126, PETRI_PLACES=37, PETRI_TRANSITIONS=30} [2023-11-19 07:59:08,019 INFO L281 CegarLoopForPetriNet]: 31 programPoint places, 6 predicate places. [2023-11-19 07:59:08,019 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 30 transitions, 126 flow [2023-11-19 07:59:08,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 07:59:08,022 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:59:08,022 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:08,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:59:08,023 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 07:59:08,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:08,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1156818114, now seen corresponding path program 2 times [2023-11-19 07:59:08,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:08,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359683371] [2023-11-19 07:59:08,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:08,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,337 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 07:59:08,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:08,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359683371] [2023-11-19 07:59:08,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359683371] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:08,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:08,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:59:08,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747761675] [2023-11-19 07:59:08,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:08,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:59:08,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:08,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:59:08,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:59:08,440 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 130 [2023-11-19 07:59:08,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 30 transitions, 126 flow. Second operand has 5 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 0 states have call successors, (0), 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 07:59:08,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:59:08,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 130 [2023-11-19 07:59:08,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:59:08,516 INFO L124 PetriNetUnfolderBase]: 18/121 cut-off events. [2023-11-19 07:59:08,516 INFO L125 PetriNetUnfolderBase]: For 87/89 co-relation queries the response was YES. [2023-11-19 07:59:08,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 366 conditions, 121 events. 18/121 cut-off events. For 87/89 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 470 event pairs, 6 based on Foata normal form. 8/129 useless extension candidates. Maximal degree in co-relation 352. Up to 64 conditions per place. [2023-11-19 07:59:08,517 INFO L140 encePairwiseOnDemand]: 125/130 looper letters, 0 selfloop transitions, 0 changer transitions 30/30 dead transitions. [2023-11-19 07:59:08,518 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 30 transitions, 168 flow [2023-11-19 07:59:08,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:59:08,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 07:59:08,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 304 transitions. [2023-11-19 07:59:08,520 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5846153846153846 [2023-11-19 07:59:08,520 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 304 transitions. [2023-11-19 07:59:08,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 304 transitions. [2023-11-19 07:59:08,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:59:08,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 304 transitions. [2023-11-19 07:59:08,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 0 states have call successors, (0), 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 07:59:08,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 130.0) internal successors, (650), 5 states have internal predecessors, (650), 0 states have call successors, (0), 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 07:59:08,524 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 130.0) internal successors, (650), 5 states have internal predecessors, (650), 0 states have call successors, (0), 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 07:59:08,524 INFO L175 Difference]: Start difference. First operand has 37 places, 30 transitions, 126 flow. Second operand 4 states and 304 transitions. [2023-11-19 07:59:08,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 30 transitions, 168 flow [2023-11-19 07:59:08,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 30 transitions, 154 flow, removed 2 selfloop flow, removed 3 redundant places. [2023-11-19 07:59:08,527 INFO L231 Difference]: Finished difference. Result has 35 places, 0 transitions, 0 flow [2023-11-19 07:59:08,528 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=35, PETRI_TRANSITIONS=0} [2023-11-19 07:59:08,528 INFO L281 CegarLoopForPetriNet]: 31 programPoint places, 4 predicate places. [2023-11-19 07:59:08,529 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 0 transitions, 0 flow [2023-11-19 07:59:08,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 0 states have call successors, (0), 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 07:59:08,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2023-11-19 07:59:08,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2023-11-19 07:59:08,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 9 remaining) [2023-11-19 07:59:08,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2023-11-19 07:59:08,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2023-11-19 07:59:08,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2023-11-19 07:59:08,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2023-11-19 07:59:08,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2023-11-19 07:59:08,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2023-11-19 07:59:08,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:59:08,536 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2023-11-19 07:59:08,542 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:59:08,542 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:59:08,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:59:08 BasicIcfg [2023-11-19 07:59:08,548 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:59:08,549 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:59:08,549 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:59:08,549 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:59:08,550 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:02" (3/4) ... [2023-11-19 07:59:08,551 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:59:08,556 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-19 07:59:08,562 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-19 07:59:08,562 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:59:08,563 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:59:08,671 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb7287-7a67-4be5-b06b-e507550f56b1/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:59:08,672 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb7287-7a67-4be5-b06b-e507550f56b1/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:59:08,672 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:59:08,673 INFO L158 Benchmark]: Toolchain (without parser) took 7858.30ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 78.6MB in the beginning and 126.3MB in the end (delta: -47.8MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-11-19 07:59:08,673 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:59:08,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1129.97ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 78.6MB in the beginning and 142.0MB in the end (delta: -63.4MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2023-11-19 07:59:08,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.48ms. Allocated memory is still 176.2MB. Free memory was 142.0MB in the beginning and 139.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:59:08,675 INFO L158 Benchmark]: Boogie Preprocessor took 72.13ms. Allocated memory is still 176.2MB. Free memory was 139.9MB in the beginning and 138.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:59:08,675 INFO L158 Benchmark]: RCFGBuilder took 596.05ms. Allocated memory is still 176.2MB. Free memory was 138.8MB in the beginning and 125.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:59:08,676 INFO L158 Benchmark]: TraceAbstraction took 5817.20ms. Allocated memory is still 176.2MB. Free memory was 124.1MB in the beginning and 130.5MB in the end (delta: -6.4MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2023-11-19 07:59:08,676 INFO L158 Benchmark]: Witness Printer took 123.54ms. Allocated memory is still 176.2MB. Free memory was 130.5MB in the beginning and 126.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:59:08,679 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1129.97ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 78.6MB in the beginning and 142.0MB in the end (delta: -63.4MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.48ms. Allocated memory is still 176.2MB. Free memory was 142.0MB in the beginning and 139.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.13ms. Allocated memory is still 176.2MB. Free memory was 139.9MB in the beginning and 138.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 596.05ms. Allocated memory is still 176.2MB. Free memory was 138.8MB in the beginning and 125.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5817.20ms. Allocated memory is still 176.2MB. Free memory was 124.1MB in the beginning and 130.5MB in the end (delta: -6.4MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. * Witness Printer took 123.54ms. Allocated memory is still 176.2MB. Free memory was 130.5MB in the beginning and 126.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.1s, 82 PlacesBefore, 31 PlacesAfterwards, 78 TransitionsBefore, 27 TransitionsAfterwards, 1392 CoEnabledTransitionPairs, 6 FixpointIterations, 23 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 51 TotalNumberOfCompositions, 4678 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1437, independent: 1151, independent conditional: 0, independent unconditional: 1151, dependent: 286, dependent conditional: 0, dependent unconditional: 286, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 659, independent: 613, independent conditional: 0, independent unconditional: 613, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1437, independent: 538, independent conditional: 0, independent unconditional: 538, dependent: 240, dependent conditional: 0, dependent unconditional: 240, unknown: 659, unknown conditional: 0, unknown unconditional: 659] , Statistics on independence cache: Total cache size (in pairs): 61, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 941]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 944]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: 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 3 procedures, 111 locations, 9 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: 5.6s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 238 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 435 IncrementalHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 37 mSDtfsCounter, 435 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=6, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 158 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:59:08,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb7287-7a67-4be5-b06b-e507550f56b1/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