./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b 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_97b8dfbe-4d71-4949-8663-329b6d6360b3/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b8dfbe-4d71-4949-8663-329b6d6360b3/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b8dfbe-4d71-4949-8663-329b6d6360b3/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b8dfbe-4d71-4949-8663-329b6d6360b3/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b8dfbe-4d71-4949-8663-329b6d6360b3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b8dfbe-4d71-4949-8663-329b6d6360b3/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:08:52,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:08:52,126 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b8dfbe-4d71-4949-8663-329b6d6360b3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 23:08:52,140 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:08:52,141 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:08:52,179 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:08:52,181 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:08:52,182 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:08:52,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:08:52,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:08:52,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:08:52,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:08:52,189 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:08:52,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:08:52,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:08:52,192 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:08:52,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:08:52,193 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:08:52,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:08:52,194 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:08:52,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:08:52,195 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:08:52,196 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 23:08:52,196 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:08:52,197 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:08:52,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:08:52,198 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:08:52,199 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:08:52,199 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:08:52,200 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:08:52,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:08:52,201 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:08:52,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:08:52,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:08:52,202 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:08:52,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:08:52,203 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:08:52,203 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:08:52,203 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:08:52,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:08:52,204 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:08:52,205 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_97b8dfbe-4d71-4949-8663-329b6d6360b3/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b8dfbe-4d71-4949-8663-329b6d6360b3/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 [2023-11-06 23:08:52,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:08:52,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:08:52,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:08:52,525 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:08:52,526 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:08:52,527 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b8dfbe-4d71-4949-8663-329b6d6360b3/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2023-11-06 23:08:55,669 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:08:55,955 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:08:55,957 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b8dfbe-4d71-4949-8663-329b6d6360b3/sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2023-11-06 23:08:55,979 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b8dfbe-4d71-4949-8663-329b6d6360b3/bin/uautomizer-verify-WvqO1wxjHP/data/2cf91d26c/97166f6939c846d3a0e097f1f7d1ca3a/FLAG6b7e4240e [2023-11-06 23:08:56,009 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b8dfbe-4d71-4949-8663-329b6d6360b3/bin/uautomizer-verify-WvqO1wxjHP/data/2cf91d26c/97166f6939c846d3a0e097f1f7d1ca3a [2023-11-06 23:08:56,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:08:56,014 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:08:56,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:08:56,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:08:56,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:08:56,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:08:56" (1/1) ... [2023-11-06 23:08:56,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d462cbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:56, skipping insertion in model container [2023-11-06 23:08:56,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:08:56" (1/1) ... [2023-11-06 23:08:56,083 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:08:56,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:08:56,553 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:08:56,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:08:56,666 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:08:56,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:56 WrapperNode [2023-11-06 23:08:56,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:08:56,668 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:08:56,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:08:56,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:08:56,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:56" (1/1) ... [2023-11-06 23:08:56,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:56" (1/1) ... [2023-11-06 23:08:56,773 INFO L138 Inliner]: procedures = 169, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 134 [2023-11-06 23:08:56,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:08:56,774 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:08:56,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:08:56,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:08:56,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:56" (1/1) ... [2023-11-06 23:08:56,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:56" (1/1) ... [2023-11-06 23:08:56,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:56" (1/1) ... [2023-11-06 23:08:56,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:56" (1/1) ... [2023-11-06 23:08:56,801 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:56" (1/1) ... [2023-11-06 23:08:56,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:56" (1/1) ... [2023-11-06 23:08:56,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:56" (1/1) ... [2023-11-06 23:08:56,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:56" (1/1) ... [2023-11-06 23:08:56,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:08:56,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:08:56,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:08:56,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:08:56,814 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:56" (1/1) ... [2023-11-06 23:08:56,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:08:56,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b8dfbe-4d71-4949-8663-329b6d6360b3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:08:56,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b8dfbe-4d71-4949-8663-329b6d6360b3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:08:56,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b8dfbe-4d71-4949-8663-329b6d6360b3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:08:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2023-11-06 23:08:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2023-11-06 23:08:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:08:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2023-11-06 23:08:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2023-11-06 23:08:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:08:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 23:08:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:08:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:08:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:08:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:08:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:08:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:08:56,910 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 23:08:57,053 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:08:57,055 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:08:57,418 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:08:57,432 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:08:57,433 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 23:08:57,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:08:57 BoogieIcfgContainer [2023-11-06 23:08:57,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:08:57,441 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:08:57,441 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:08:57,445 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:08:57,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:08:56" (1/3) ... [2023-11-06 23:08:57,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e565bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:08:57, skipping insertion in model container [2023-11-06 23:08:57,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:56" (2/3) ... [2023-11-06 23:08:57,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e565bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:08:57, skipping insertion in model container [2023-11-06 23:08:57,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:08:57" (3/3) ... [2023-11-06 23:08:57,451 INFO L112 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2023-11-06 23:08:57,462 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 23:08:57,475 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:08:57,475 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-11-06 23:08:57,475 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 23:08:57,639 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-06 23:08:57,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 156 places, 156 transitions, 326 flow [2023-11-06 23:08:57,770 INFO L124 PetriNetUnfolderBase]: 7/154 cut-off events. [2023-11-06 23:08:57,770 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 23:08:57,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 154 events. 7/154 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 269 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 98. Up to 3 conditions per place. [2023-11-06 23:08:57,777 INFO L82 GeneralOperation]: Start removeDead. Operand has 156 places, 156 transitions, 326 flow [2023-11-06 23:08:57,785 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 144 transitions, 297 flow [2023-11-06 23:08:57,789 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 23:08:57,801 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 144 transitions, 297 flow [2023-11-06 23:08:57,804 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 144 transitions, 297 flow [2023-11-06 23:08:57,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 144 places, 144 transitions, 297 flow [2023-11-06 23:08:57,849 INFO L124 PetriNetUnfolderBase]: 7/144 cut-off events. [2023-11-06 23:08:57,849 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 23:08:57,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 144 events. 7/144 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 269 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 98. Up to 3 conditions per place. [2023-11-06 23:08:57,856 INFO L119 LiptonReduction]: Number of co-enabled transitions 4916 [2023-11-06 23:09:03,384 INFO L134 LiptonReduction]: Checked pairs total: 18667 [2023-11-06 23:09:03,384 INFO L136 LiptonReduction]: Total number of compositions: 126 [2023-11-06 23:09:03,400 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:09:03,408 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@45c8dd44, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:09:03,408 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2023-11-06 23:09:03,411 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 23:09:03,411 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2023-11-06 23:09:03,412 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:09:03,412 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:03,413 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 23:09:03,413 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-06 23:09:03,418 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:03,419 INFO L85 PathProgramCache]: Analyzing trace with hash 574, now seen corresponding path program 1 times [2023-11-06 23:09:03,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:03,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588338581] [2023-11-06 23:09:03,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:03,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:03,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:03,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:03,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588338581] [2023-11-06 23:09:03,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588338581] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:03,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:03,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 23:09:03,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028668762] [2023-11-06 23:09:03,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:03,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:09:03,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:03,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:09:03,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:09:03,589 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 282 [2023-11-06 23:09:03,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 51 transitions, 111 flow. Second operand has 2 states, 2 states have (on average 145.5) internal successors, (291), 2 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:03,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:03,593 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 282 [2023-11-06 23:09:03,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:03,738 INFO L124 PetriNetUnfolderBase]: 198/470 cut-off events. [2023-11-06 23:09:03,738 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2023-11-06 23:09:03,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 837 conditions, 470 events. 198/470 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2593 event pairs, 177 based on Foata normal form. 12/378 useless extension candidates. Maximal degree in co-relation 786. Up to 333 conditions per place. [2023-11-06 23:09:03,750 INFO L140 encePairwiseOnDemand]: 273/282 looper letters, 22 selfloop transitions, 0 changer transitions 0/40 dead transitions. [2023-11-06 23:09:03,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 40 transitions, 133 flow [2023-11-06 23:09:03,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:09:03,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 23:09:03,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 321 transitions. [2023-11-06 23:09:03,775 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5691489361702128 [2023-11-06 23:09:03,776 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 321 transitions. [2023-11-06 23:09:03,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 321 transitions. [2023-11-06 23:09:03,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:03,783 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 321 transitions. [2023-11-06 23:09:03,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 160.5) internal successors, (321), 2 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:03,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:03,797 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:03,799 INFO L175 Difference]: Start difference. First operand has 53 places, 51 transitions, 111 flow. Second operand 2 states and 321 transitions. [2023-11-06 23:09:03,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 40 transitions, 133 flow [2023-11-06 23:09:03,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 40 transitions, 128 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-06 23:09:03,806 INFO L231 Difference]: Finished difference. Result has 43 places, 40 transitions, 84 flow [2023-11-06 23:09:03,808 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=84, PETRI_PLACES=43, PETRI_TRANSITIONS=40} [2023-11-06 23:09:03,815 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -10 predicate places. [2023-11-06 23:09:03,816 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 40 transitions, 84 flow [2023-11-06 23:09:03,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 145.5) internal successors, (291), 2 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:03,817 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:03,817 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 23:09:03,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:09:03,818 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting allocatorErr3ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-06 23:09:03,824 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:03,824 INFO L85 PathProgramCache]: Analyzing trace with hash -377258563, now seen corresponding path program 1 times [2023-11-06 23:09:03,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:03,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025483070] [2023-11-06 23:09:03,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:03,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:04,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:04,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:04,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025483070] [2023-11-06 23:09:04,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025483070] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:04,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:04,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:09:04,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89384476] [2023-11-06 23:09:04,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:04,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:04,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:04,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:04,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:04,077 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 282 [2023-11-06 23:09:04,078 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 40 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:04,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:04,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 282 [2023-11-06 23:09:04,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:04,210 INFO L124 PetriNetUnfolderBase]: 166/433 cut-off events. [2023-11-06 23:09:04,210 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:09:04,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 764 conditions, 433 events. 166/433 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2304 event pairs, 79 based on Foata normal form. 0/371 useless extension candidates. Maximal degree in co-relation 761. Up to 154 conditions per place. [2023-11-06 23:09:04,215 INFO L140 encePairwiseOnDemand]: 279/282 looper letters, 26 selfloop transitions, 2 changer transitions 0/46 dead transitions. [2023-11-06 23:09:04,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 46 transitions, 154 flow [2023-11-06 23:09:04,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:04,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:09:04,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 452 transitions. [2023-11-06 23:09:04,219 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5342789598108747 [2023-11-06 23:09:04,219 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 452 transitions. [2023-11-06 23:09:04,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 452 transitions. [2023-11-06 23:09:04,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:04,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 452 transitions. [2023-11-06 23:09:04,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:04,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:04,227 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:04,227 INFO L175 Difference]: Start difference. First operand has 43 places, 40 transitions, 84 flow. Second operand 3 states and 452 transitions. [2023-11-06 23:09:04,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 46 transitions, 154 flow [2023-11-06 23:09:04,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 46 transitions, 154 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 23:09:04,249 INFO L231 Difference]: Finished difference. Result has 45 places, 39 transitions, 86 flow [2023-11-06 23:09:04,249 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=45, PETRI_TRANSITIONS=39} [2023-11-06 23:09:04,250 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -8 predicate places. [2023-11-06 23:09:04,250 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 39 transitions, 86 flow [2023-11-06 23:09:04,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:04,251 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:04,251 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:04,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:09:04,251 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-06 23:09:04,252 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:04,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1190087736, now seen corresponding path program 1 times [2023-11-06 23:09:04,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:04,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670026988] [2023-11-06 23:09:04,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:04,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:04,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:04,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:04,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670026988] [2023-11-06 23:09:04,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670026988] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:04,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:04,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:09:04,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658598162] [2023-11-06 23:09:04,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:04,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:04,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:04,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:04,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:04,340 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 282 [2023-11-06 23:09:04,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 39 transitions, 86 flow. Second operand has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:04,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:04,342 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 282 [2023-11-06 23:09:04,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:04,459 INFO L124 PetriNetUnfolderBase]: 227/602 cut-off events. [2023-11-06 23:09:04,460 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-06 23:09:04,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1042 conditions, 602 events. 227/602 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3407 event pairs, 191 based on Foata normal form. 0/506 useless extension candidates. Maximal degree in co-relation 1038. Up to 369 conditions per place. [2023-11-06 23:09:04,465 INFO L140 encePairwiseOnDemand]: 278/282 looper letters, 29 selfloop transitions, 3 changer transitions 0/48 dead transitions. [2023-11-06 23:09:04,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 48 transitions, 170 flow [2023-11-06 23:09:04,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:04,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:09:04,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 447 transitions. [2023-11-06 23:09:04,468 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5283687943262412 [2023-11-06 23:09:04,469 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 447 transitions. [2023-11-06 23:09:04,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 447 transitions. [2023-11-06 23:09:04,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:04,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 447 transitions. [2023-11-06 23:09:04,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 149.0) internal successors, (447), 3 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:04,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:04,475 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:04,475 INFO L175 Difference]: Start difference. First operand has 45 places, 39 transitions, 86 flow. Second operand 3 states and 447 transitions. [2023-11-06 23:09:04,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 48 transitions, 170 flow [2023-11-06 23:09:04,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 48 transitions, 166 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 23:09:04,477 INFO L231 Difference]: Finished difference. Result has 46 places, 41 transitions, 101 flow [2023-11-06 23:09:04,478 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=101, PETRI_PLACES=46, PETRI_TRANSITIONS=41} [2023-11-06 23:09:04,478 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -7 predicate places. [2023-11-06 23:09:04,479 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 41 transitions, 101 flow [2023-11-06 23:09:04,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:04,479 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:04,479 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:04,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:09:04,480 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting de_allocatorErr0ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-06 23:09:04,480 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:04,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1182122935, now seen corresponding path program 1 times [2023-11-06 23:09:04,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:04,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957115019] [2023-11-06 23:09:04,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:04,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:04,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:04,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:04,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957115019] [2023-11-06 23:09:04,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957115019] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:04,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:04,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:09:04,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602580629] [2023-11-06 23:09:04,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:04,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:04,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:04,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:04,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:04,548 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 282 [2023-11-06 23:09:04,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 41 transitions, 101 flow. Second operand has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:04,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:04,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 282 [2023-11-06 23:09:04,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:04,739 INFO L124 PetriNetUnfolderBase]: 374/949 cut-off events. [2023-11-06 23:09:04,740 INFO L125 PetriNetUnfolderBase]: For 78/84 co-relation queries the response was YES. [2023-11-06 23:09:04,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1726 conditions, 949 events. 374/949 cut-off events. For 78/84 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 5906 event pairs, 122 based on Foata normal form. 0/815 useless extension candidates. Maximal degree in co-relation 1721. Up to 353 conditions per place. [2023-11-06 23:09:04,749 INFO L140 encePairwiseOnDemand]: 277/282 looper letters, 38 selfloop transitions, 5 changer transitions 0/58 dead transitions. [2023-11-06 23:09:04,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 58 transitions, 229 flow [2023-11-06 23:09:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:04,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:09:04,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 456 transitions. [2023-11-06 23:09:04,752 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5390070921985816 [2023-11-06 23:09:04,752 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 456 transitions. [2023-11-06 23:09:04,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 456 transitions. [2023-11-06 23:09:04,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:04,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 456 transitions. [2023-11-06 23:09:04,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:04,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:04,758 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:04,758 INFO L175 Difference]: Start difference. First operand has 46 places, 41 transitions, 101 flow. Second operand 3 states and 456 transitions. [2023-11-06 23:09:04,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 58 transitions, 229 flow [2023-11-06 23:09:04,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 58 transitions, 225 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:09:04,763 INFO L231 Difference]: Finished difference. Result has 49 places, 43 transitions, 130 flow [2023-11-06 23:09:04,763 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=130, PETRI_PLACES=49, PETRI_TRANSITIONS=43} [2023-11-06 23:09:04,764 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -4 predicate places. [2023-11-06 23:09:04,764 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 43 transitions, 130 flow [2023-11-06 23:09:04,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:04,765 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:04,765 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:04,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:09:04,765 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting de_allocatorErr0ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-06 23:09:04,765 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:04,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1375554665, now seen corresponding path program 1 times [2023-11-06 23:09:04,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:04,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394137421] [2023-11-06 23:09:04,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:04,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:04,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:04,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:04,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394137421] [2023-11-06 23:09:04,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394137421] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:04,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:04,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:09:04,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381744208] [2023-11-06 23:09:04,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:04,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:04,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:04,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:04,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:05,006 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 282 [2023-11-06 23:09:05,007 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 43 transitions, 130 flow. Second operand has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:05,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:05,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 282 [2023-11-06 23:09:05,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:05,145 INFO L124 PetriNetUnfolderBase]: 140/445 cut-off events. [2023-11-06 23:09:05,145 INFO L125 PetriNetUnfolderBase]: For 61/61 co-relation queries the response was YES. [2023-11-06 23:09:05,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 827 conditions, 445 events. 140/445 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2483 event pairs, 45 based on Foata normal form. 14/395 useless extension candidates. Maximal degree in co-relation 821. Up to 139 conditions per place. [2023-11-06 23:09:05,149 INFO L140 encePairwiseOnDemand]: 277/282 looper letters, 28 selfloop transitions, 5 changer transitions 1/51 dead transitions. [2023-11-06 23:09:05,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 51 transitions, 201 flow [2023-11-06 23:09:05,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:05,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:09:05,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 447 transitions. [2023-11-06 23:09:05,153 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5283687943262412 [2023-11-06 23:09:05,153 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 447 transitions. [2023-11-06 23:09:05,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 447 transitions. [2023-11-06 23:09:05,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:05,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 447 transitions. [2023-11-06 23:09:05,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 149.0) internal successors, (447), 3 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:05,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:05,160 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:05,161 INFO L175 Difference]: Start difference. First operand has 49 places, 43 transitions, 130 flow. Second operand 3 states and 447 transitions. [2023-11-06 23:09:05,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 51 transitions, 201 flow [2023-11-06 23:09:05,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 51 transitions, 185 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-11-06 23:09:05,165 INFO L231 Difference]: Finished difference. Result has 46 places, 39 transitions, 107 flow [2023-11-06 23:09:05,165 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=107, PETRI_PLACES=46, PETRI_TRANSITIONS=39} [2023-11-06 23:09:05,166 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -7 predicate places. [2023-11-06 23:09:05,166 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 107 flow [2023-11-06 23:09:05,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:05,167 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:05,167 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:05,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 23:09:05,168 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting allocatorErr3ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-06 23:09:05,168 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:05,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1889259148, now seen corresponding path program 1 times [2023-11-06 23:09:05,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:05,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828932090] [2023-11-06 23:09:05,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:05,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:05,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:05,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:05,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828932090] [2023-11-06 23:09:05,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828932090] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:05,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:05,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:09:05,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157226290] [2023-11-06 23:09:05,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:05,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:05,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:05,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:05,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:05,238 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 282 [2023-11-06 23:09:05,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 107 flow. Second operand has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:05,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:05,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 282 [2023-11-06 23:09:05,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:05,356 INFO L124 PetriNetUnfolderBase]: 167/476 cut-off events. [2023-11-06 23:09:05,356 INFO L125 PetriNetUnfolderBase]: For 95/99 co-relation queries the response was YES. [2023-11-06 23:09:05,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 960 conditions, 476 events. 167/476 cut-off events. For 95/99 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2548 event pairs, 115 based on Foata normal form. 0/406 useless extension candidates. Maximal degree in co-relation 954. Up to 275 conditions per place. [2023-11-06 23:09:05,360 INFO L140 encePairwiseOnDemand]: 276/282 looper letters, 28 selfloop transitions, 5 changer transitions 0/48 dead transitions. [2023-11-06 23:09:05,360 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 48 transitions, 199 flow [2023-11-06 23:09:05,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:05,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:09:05,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 444 transitions. [2023-11-06 23:09:05,363 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.524822695035461 [2023-11-06 23:09:05,363 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 444 transitions. [2023-11-06 23:09:05,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 444 transitions. [2023-11-06 23:09:05,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:05,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 444 transitions. [2023-11-06 23:09:05,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:05,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:05,369 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:05,370 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 107 flow. Second operand 3 states and 444 transitions. [2023-11-06 23:09:05,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 48 transitions, 199 flow [2023-11-06 23:09:05,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 48 transitions, 192 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:09:05,373 INFO L231 Difference]: Finished difference. Result has 49 places, 43 transitions, 140 flow [2023-11-06 23:09:05,373 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=140, PETRI_PLACES=49, PETRI_TRANSITIONS=43} [2023-11-06 23:09:05,374 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -4 predicate places. [2023-11-06 23:09:05,374 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 43 transitions, 140 flow [2023-11-06 23:09:05,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:05,375 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:05,375 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:05,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 23:09:05,376 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting de_allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-06 23:09:05,376 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:05,376 INFO L85 PathProgramCache]: Analyzing trace with hash -894147081, now seen corresponding path program 1 times [2023-11-06 23:09:05,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:05,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943774585] [2023-11-06 23:09:05,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:05,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:05,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:05,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:05,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943774585] [2023-11-06 23:09:05,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943774585] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:05,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:05,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:09:05,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668668158] [2023-11-06 23:09:05,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:05,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:05,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:05,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:05,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:05,441 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 282 [2023-11-06 23:09:05,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 43 transitions, 140 flow. Second operand has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:05,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:05,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 282 [2023-11-06 23:09:05,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:05,578 INFO L124 PetriNetUnfolderBase]: 213/566 cut-off events. [2023-11-06 23:09:05,578 INFO L125 PetriNetUnfolderBase]: For 196/210 co-relation queries the response was YES. [2023-11-06 23:09:05,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1283 conditions, 566 events. 213/566 cut-off events. For 196/210 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3024 event pairs, 120 based on Foata normal form. 0/496 useless extension candidates. Maximal degree in co-relation 1276. Up to 316 conditions per place. [2023-11-06 23:09:05,583 INFO L140 encePairwiseOnDemand]: 276/282 looper letters, 31 selfloop transitions, 8 changer transitions 0/55 dead transitions. [2023-11-06 23:09:05,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 55 transitions, 261 flow [2023-11-06 23:09:05,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:05,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:09:05,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2023-11-06 23:09:05,586 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5260047281323877 [2023-11-06 23:09:05,586 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 445 transitions. [2023-11-06 23:09:05,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 445 transitions. [2023-11-06 23:09:05,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:05,587 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 445 transitions. [2023-11-06 23:09:05,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:05,591 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:05,592 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:05,592 INFO L175 Difference]: Start difference. First operand has 49 places, 43 transitions, 140 flow. Second operand 3 states and 445 transitions. [2023-11-06 23:09:05,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 55 transitions, 261 flow [2023-11-06 23:09:05,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 55 transitions, 245 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 23:09:05,596 INFO L231 Difference]: Finished difference. Result has 51 places, 49 transitions, 198 flow [2023-11-06 23:09:05,596 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=51, PETRI_TRANSITIONS=49} [2023-11-06 23:09:05,597 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -2 predicate places. [2023-11-06 23:09:05,597 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 49 transitions, 198 flow [2023-11-06 23:09:05,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:05,598 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:05,598 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:05,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 23:09:05,598 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting allocatorErr4ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-06 23:09:05,599 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:05,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1193110419, now seen corresponding path program 1 times [2023-11-06 23:09:05,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:05,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563530236] [2023-11-06 23:09:05,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:05,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:05,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:05,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:05,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563530236] [2023-11-06 23:09:05,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563530236] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:05,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:05,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:09:05,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232356042] [2023-11-06 23:09:05,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:05,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:05,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:05,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:05,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:05,653 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 282 [2023-11-06 23:09:05,654 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 49 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:05,655 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:05,655 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 282 [2023-11-06 23:09:05,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:05,843 INFO L124 PetriNetUnfolderBase]: 274/679 cut-off events. [2023-11-06 23:09:05,844 INFO L125 PetriNetUnfolderBase]: For 672/732 co-relation queries the response was YES. [2023-11-06 23:09:05,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1830 conditions, 679 events. 274/679 cut-off events. For 672/732 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 3667 event pairs, 85 based on Foata normal form. 12/645 useless extension candidates. Maximal degree in co-relation 1822. Up to 365 conditions per place. [2023-11-06 23:09:05,847 INFO L140 encePairwiseOnDemand]: 274/282 looper letters, 29 selfloop transitions, 8 changer transitions 19/70 dead transitions. [2023-11-06 23:09:05,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 70 transitions, 385 flow [2023-11-06 23:09:05,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:05,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:09:05,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 459 transitions. [2023-11-06 23:09:05,850 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5425531914893617 [2023-11-06 23:09:05,851 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 459 transitions. [2023-11-06 23:09:05,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 459 transitions. [2023-11-06 23:09:05,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:05,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 459 transitions. [2023-11-06 23:09:05,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:05,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:05,856 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:05,856 INFO L175 Difference]: Start difference. First operand has 51 places, 49 transitions, 198 flow. Second operand 3 states and 459 transitions. [2023-11-06 23:09:05,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 70 transitions, 385 flow [2023-11-06 23:09:05,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 70 transitions, 365 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 23:09:05,861 INFO L231 Difference]: Finished difference. Result has 53 places, 47 transitions, 218 flow [2023-11-06 23:09:05,861 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=53, PETRI_TRANSITIONS=47} [2023-11-06 23:09:05,865 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, 0 predicate places. [2023-11-06 23:09:05,865 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 47 transitions, 218 flow [2023-11-06 23:09:05,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:05,866 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:05,866 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:05,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 23:09:05,866 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting allocatorErr3ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-06 23:09:05,871 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:05,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1142029400, now seen corresponding path program 1 times [2023-11-06 23:09:05,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:05,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644527484] [2023-11-06 23:09:05,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:05,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:05,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:05,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:05,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644527484] [2023-11-06 23:09:05,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644527484] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:05,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:05,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:09:05,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163597798] [2023-11-06 23:09:05,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:05,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:05,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:05,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:05,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:05,970 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 282 [2023-11-06 23:09:05,971 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 47 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:05,971 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:05,971 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 282 [2023-11-06 23:09:05,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:06,033 INFO L124 PetriNetUnfolderBase]: 52/157 cut-off events. [2023-11-06 23:09:06,034 INFO L125 PetriNetUnfolderBase]: For 125/129 co-relation queries the response was YES. [2023-11-06 23:09:06,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 411 conditions, 157 events. 52/157 cut-off events. For 125/129 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 544 event pairs, 22 based on Foata normal form. 12/165 useless extension candidates. Maximal degree in co-relation 402. Up to 90 conditions per place. [2023-11-06 23:09:06,035 INFO L140 encePairwiseOnDemand]: 280/282 looper letters, 0 selfloop transitions, 0 changer transitions 30/30 dead transitions. [2023-11-06 23:09:06,035 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 30 transitions, 148 flow [2023-11-06 23:09:06,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:06,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:09:06,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 450 transitions. [2023-11-06 23:09:06,038 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5319148936170213 [2023-11-06 23:09:06,038 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 450 transitions. [2023-11-06 23:09:06,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 450 transitions. [2023-11-06 23:09:06,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:06,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 450 transitions. [2023-11-06 23:09:06,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:06,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:06,043 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:06,043 INFO L175 Difference]: Start difference. First operand has 53 places, 47 transitions, 218 flow. Second operand 3 states and 450 transitions. [2023-11-06 23:09:06,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 30 transitions, 148 flow [2023-11-06 23:09:06,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 30 transitions, 128 flow, removed 5 selfloop flow, removed 7 redundant places. [2023-11-06 23:09:06,045 INFO L231 Difference]: Finished difference. Result has 37 places, 0 transitions, 0 flow [2023-11-06 23:09:06,045 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=35, 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=3, PETRI_FLOW=0, PETRI_PLACES=37, PETRI_TRANSITIONS=0} [2023-11-06 23:09:06,047 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -16 predicate places. [2023-11-06 23:09:06,047 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 0 transitions, 0 flow [2023-11-06 23:09:06,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:06,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2023-11-06 23:09:06,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr3ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2023-11-06 23:09:06,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr1ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2023-11-06 23:09:06,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr4ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2023-11-06 23:09:06,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr2ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2023-11-06 23:09:06,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2023-11-06 23:09:06,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr1ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2023-11-06 23:09:06,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr2ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2023-11-06 23:09:06,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2023-11-06 23:09:06,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2023-11-06 23:09:06,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2023-11-06 23:09:06,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2023-11-06 23:09:06,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 22 remaining) [2023-11-06 23:09:06,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 22 remaining) [2023-11-06 23:09:06,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2023-11-06 23:09:06,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr3ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2023-11-06 23:09:06,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr1ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2023-11-06 23:09:06,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr4ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2023-11-06 23:09:06,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr2ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2023-11-06 23:09:06,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2023-11-06 23:09:06,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr1ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2023-11-06 23:09:06,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr2ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2023-11-06 23:09:06,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 23:09:06,059 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:06,066 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 23:09:06,066 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:09:06,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:09:06 BasicIcfg [2023-11-06 23:09:06,074 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:09:06,074 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:09:06,074 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:09:06,075 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:09:06,075 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:08:57" (3/4) ... [2023-11-06 23:09:06,077 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:09:06,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure allocator [2023-11-06 23:09:06,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure de_allocator [2023-11-06 23:09:06,089 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-06 23:09:06,090 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 23:09:06,090 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 23:09:06,090 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:09:06,161 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b8dfbe-4d71-4949-8663-329b6d6360b3/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:09:06,161 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b8dfbe-4d71-4949-8663-329b6d6360b3/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:09:06,161 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:09:06,162 INFO L158 Benchmark]: Toolchain (without parser) took 10147.51ms. Allocated memory was 123.7MB in the beginning and 213.9MB in the end (delta: 90.2MB). Free memory was 77.8MB in the beginning and 126.2MB in the end (delta: -48.4MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2023-11-06 23:09:06,162 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:09:06,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 650.72ms. Allocated memory is still 123.7MB. Free memory was 77.4MB in the beginning and 57.6MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 23:09:06,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.87ms. Allocated memory was 123.7MB in the beginning and 178.3MB in the end (delta: 54.5MB). Free memory was 57.6MB in the beginning and 150.1MB in the end (delta: -92.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2023-11-06 23:09:06,163 INFO L158 Benchmark]: Boogie Preprocessor took 37.44ms. Allocated memory is still 178.3MB. Free memory was 150.1MB in the beginning and 149.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:09:06,164 INFO L158 Benchmark]: RCFGBuilder took 623.84ms. Allocated memory is still 178.3MB. Free memory was 149.1MB in the beginning and 130.9MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 23:09:06,164 INFO L158 Benchmark]: TraceAbstraction took 8633.12ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 130.2MB in the beginning and 129.4MB in the end (delta: 843.7kB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2023-11-06 23:09:06,165 INFO L158 Benchmark]: Witness Printer took 86.94ms. Allocated memory is still 213.9MB. Free memory was 129.4MB in the beginning and 126.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:09:06,167 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 650.72ms. Allocated memory is still 123.7MB. Free memory was 77.4MB in the beginning and 57.6MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.87ms. Allocated memory was 123.7MB in the beginning and 178.3MB in the end (delta: 54.5MB). Free memory was 57.6MB in the beginning and 150.1MB in the end (delta: -92.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.44ms. Allocated memory is still 178.3MB. Free memory was 150.1MB in the beginning and 149.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 623.84ms. Allocated memory is still 178.3MB. Free memory was 149.1MB in the beginning and 130.9MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 8633.12ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 130.2MB in the beginning and 129.4MB in the end (delta: 843.7kB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * Witness Printer took 86.94ms. Allocated memory is still 213.9MB. Free memory was 129.4MB in the beginning and 126.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.6s, 144 PlacesBefore, 53 PlacesAfterwards, 144 TransitionsBefore, 51 TransitionsAfterwards, 4916 CoEnabledTransitionPairs, 7 FixpointIterations, 47 TrivialSequentialCompositions, 62 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 13 ConcurrentYvCompositions, 2 ChoiceCompositions, 126 TotalNumberOfCompositions, 18667 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9023, independent: 8504, independent conditional: 0, independent unconditional: 8504, dependent: 519, dependent conditional: 0, dependent unconditional: 519, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2835, independent: 2759, independent conditional: 0, independent unconditional: 2759, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9023, independent: 5745, independent conditional: 0, independent unconditional: 5745, dependent: 443, dependent conditional: 0, dependent unconditional: 443, unknown: 2835, unknown conditional: 0, unknown unconditional: 2835] , Statistics on independence cache: Total cache size (in pairs): 419, Positive cache size: 376, Positive conditional cache size: 0, Positive unconditional cache size: 376, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 717]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 717]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 221 locations, 22 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: 8.4s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 243 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 117 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 509 IncrementalHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 42 mSDtfsCounter, 509 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=8, InterpolantAutomatonStates: 26, 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, 0.5s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 129 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 23:09:06,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b8dfbe-4d71-4949-8663-329b6d6360b3/bin/uautomizer-verify-WvqO1wxjHP/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