./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caba360a-867c-4d74-926a-ebd38fff7b80/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caba360a-867c-4d74-926a-ebd38fff7b80/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caba360a-867c-4d74-926a-ebd38fff7b80/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caba360a-867c-4d74-926a-ebd38fff7b80/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caba360a-867c-4d74-926a-ebd38fff7b80/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caba360a-867c-4d74-926a-ebd38fff7b80/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:58:17,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:58:17,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caba360a-867c-4d74-926a-ebd38fff7b80/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:58:17,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:58:17,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:58:17,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:58:18,000 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:58:18,001 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:58:18,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:58:18,008 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:58:18,009 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:58:18,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:58:18,010 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:58:18,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:58:18,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:58:18,013 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:58:18,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:58:18,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:58:18,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:58:18,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:58:18,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:58:18,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:58:18,017 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:58:18,017 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:58:18,017 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:58:18,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:58:18,018 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:58:18,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:58:18,020 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:58:18,020 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:58:18,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:58:18,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:58:18,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:58:18,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:58:18,023 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:58:18,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:58:18,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:58:18,024 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:58:18,024 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:58:18,024 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:58:18,024 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:58:18,025 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_caba360a-867c-4d74-926a-ebd38fff7b80/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caba360a-867c-4d74-926a-ebd38fff7b80/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 [2023-11-19 07:58:18,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:58:18,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:58:18,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:58:18,363 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:58:18,364 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:58:18,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caba360a-867c-4d74-926a-ebd38fff7b80/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2023-11-19 07:58:21,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:58:21,874 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:58:21,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caba360a-867c-4d74-926a-ebd38fff7b80/sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2023-11-19 07:58:21,902 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caba360a-867c-4d74-926a-ebd38fff7b80/bin/uautomizer-verify-uCwYo4JHxu/data/87aa84239/89f7e6418eea4a4f99f5b546bc62359c/FLAGe84acfc16 [2023-11-19 07:58:21,921 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caba360a-867c-4d74-926a-ebd38fff7b80/bin/uautomizer-verify-uCwYo4JHxu/data/87aa84239/89f7e6418eea4a4f99f5b546bc62359c [2023-11-19 07:58:21,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:58:21,925 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:58:21,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:21,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:58:21,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:58:21,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:21" (1/1) ... [2023-11-19 07:58:21,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412feb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:21, skipping insertion in model container [2023-11-19 07:58:21,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:21" (1/1) ... [2023-11-19 07:58:21,988 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:58:22,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:22,430 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:58:22,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:22,576 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:58:22,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:22 WrapperNode [2023-11-19 07:58:22,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:22,579 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:22,579 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:58:22,579 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:58:22,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:22" (1/1) ... [2023-11-19 07:58:22,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:22" (1/1) ... [2023-11-19 07:58:22,672 INFO L138 Inliner]: procedures = 169, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 134 [2023-11-19 07:58:22,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:22,673 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:58:22,673 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:58:22,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:58:22,685 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:22" (1/1) ... [2023-11-19 07:58:22,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:22" (1/1) ... [2023-11-19 07:58:22,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:22" (1/1) ... [2023-11-19 07:58:22,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:22" (1/1) ... [2023-11-19 07:58:22,698 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:22" (1/1) ... [2023-11-19 07:58:22,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:22" (1/1) ... [2023-11-19 07:58:22,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:22" (1/1) ... [2023-11-19 07:58:22,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:22" (1/1) ... [2023-11-19 07:58:22,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:58:22,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:58:22,710 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:58:22,710 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:58:22,711 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:22" (1/1) ... [2023-11-19 07:58:22,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:58:22,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caba360a-867c-4d74-926a-ebd38fff7b80/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:22,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caba360a-867c-4d74-926a-ebd38fff7b80/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:22,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caba360a-867c-4d74-926a-ebd38fff7b80/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:58:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2023-11-19 07:58:22,805 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2023-11-19 07:58:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:58:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2023-11-19 07:58:22,805 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2023-11-19 07:58:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:58:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 07:58:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:58:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:58:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:58:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:58:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:58:22,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:58:22,808 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:58:22,942 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:58:22,944 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:58:23,212 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:58:23,228 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:58:23,229 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:58:23,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:23 BoogieIcfgContainer [2023-11-19 07:58:23,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:58:23,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:58:23,243 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:58:23,247 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:58:23,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:58:21" (1/3) ... [2023-11-19 07:58:23,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6920ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:58:23, skipping insertion in model container [2023-11-19 07:58:23,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:22" (2/3) ... [2023-11-19 07:58:23,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6920ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:58:23, skipping insertion in model container [2023-11-19 07:58:23,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:23" (3/3) ... [2023-11-19 07:58:23,251 INFO L112 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2023-11-19 07:58:23,263 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:58:23,276 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:58:23,279 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-11-19 07:58:23,280 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:58:23,446 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 07:58:23,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 156 places, 156 transitions, 326 flow [2023-11-19 07:58:23,589 INFO L124 PetriNetUnfolderBase]: 7/154 cut-off events. [2023-11-19 07:58:23,589 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:58:23,601 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. [2023-11-19 07:58:23,601 INFO L82 GeneralOperation]: Start removeDead. Operand has 156 places, 156 transitions, 326 flow [2023-11-19 07:58:23,608 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 144 transitions, 297 flow [2023-11-19 07:58:23,613 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:58:23,624 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 144 transitions, 297 flow [2023-11-19 07:58:23,627 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 144 transitions, 297 flow [2023-11-19 07:58:23,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 144 places, 144 transitions, 297 flow [2023-11-19 07:58:23,693 INFO L124 PetriNetUnfolderBase]: 7/144 cut-off events. [2023-11-19 07:58:23,694 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 07:58:23,704 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. [2023-11-19 07:58:23,711 INFO L119 LiptonReduction]: Number of co-enabled transitions 4916 [2023-11-19 07:58:28,669 INFO L134 LiptonReduction]: Checked pairs total: 18667 [2023-11-19 07:58:28,669 INFO L136 LiptonReduction]: Total number of compositions: 126 [2023-11-19 07:58:28,688 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:58:28,703 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2622f3ae, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:58:28,703 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2023-11-19 07:58:28,706 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:58:28,706 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2023-11-19 07:58:28,706 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:58:28,706 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:58:28,707 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 07:58:28,708 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)] === [2023-11-19 07:58:28,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:28,714 INFO L85 PathProgramCache]: Analyzing trace with hash 574, now seen corresponding path program 1 times [2023-11-19 07:58:28,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:28,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991203040] [2023-11-19 07:58:28,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:28,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:28,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:28,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:28,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991203040] [2023-11-19 07:58:28,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991203040] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:28,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:28,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 07:58:28,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609421929] [2023-11-19 07:58:28,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:28,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:58:28,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:28,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:58:28,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:58:28,919 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 282 [2023-11-19 07:58:28,922 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) [2023-11-19 07:58:28,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:58:28,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 282 [2023-11-19 07:58:28,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:58:29,112 INFO L124 PetriNetUnfolderBase]: 198/470 cut-off events. [2023-11-19 07:58:29,112 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2023-11-19 07:58:29,117 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. [2023-11-19 07:58:29,125 INFO L140 encePairwiseOnDemand]: 273/282 looper letters, 22 selfloop transitions, 0 changer transitions 0/40 dead transitions. [2023-11-19 07:58:29,125 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 40 transitions, 133 flow [2023-11-19 07:58:29,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:58:29,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:58:29,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 321 transitions. [2023-11-19 07:58:29,152 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5691489361702128 [2023-11-19 07:58:29,153 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 321 transitions. [2023-11-19 07:58:29,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 321 transitions. [2023-11-19 07:58:29,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:58:29,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 321 transitions. [2023-11-19 07:58:29,169 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) [2023-11-19 07:58:29,176 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) [2023-11-19 07:58:29,178 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) [2023-11-19 07:58:29,180 INFO L175 Difference]: Start difference. First operand has 53 places, 51 transitions, 111 flow. Second operand 2 states and 321 transitions. [2023-11-19 07:58:29,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 40 transitions, 133 flow [2023-11-19 07:58:29,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 40 transitions, 128 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-19 07:58:29,192 INFO L231 Difference]: Finished difference. Result has 43 places, 40 transitions, 84 flow [2023-11-19 07:58:29,195 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} [2023-11-19 07:58:29,202 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -10 predicate places. [2023-11-19 07:58:29,203 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 40 transitions, 84 flow [2023-11-19 07:58:29,203 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) [2023-11-19 07:58:29,204 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:58:29,204 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:58:29,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:58:29,205 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting allocatorErr3ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-19 07:58:29,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:29,206 INFO L85 PathProgramCache]: Analyzing trace with hash -377258563, now seen corresponding path program 1 times [2023-11-19 07:58:29,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:29,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139787247] [2023-11-19 07:58:29,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:29,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:29,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:29,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139787247] [2023-11-19 07:58:29,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139787247] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:29,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:29,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:58:29,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392497303] [2023-11-19 07:58:29,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:29,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:58:29,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:29,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:58:29,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:58:29,396 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 282 [2023-11-19 07:58:29,397 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) [2023-11-19 07:58:29,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:58:29,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 282 [2023-11-19 07:58:29,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:58:29,516 INFO L124 PetriNetUnfolderBase]: 166/433 cut-off events. [2023-11-19 07:58:29,517 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:58:29,518 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. [2023-11-19 07:58:29,521 INFO L140 encePairwiseOnDemand]: 279/282 looper letters, 26 selfloop transitions, 2 changer transitions 0/46 dead transitions. [2023-11-19 07:58:29,521 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 46 transitions, 154 flow [2023-11-19 07:58:29,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:58:29,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:58:29,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 452 transitions. [2023-11-19 07:58:29,526 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5342789598108747 [2023-11-19 07:58:29,526 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 452 transitions. [2023-11-19 07:58:29,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 452 transitions. [2023-11-19 07:58:29,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:58:29,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 452 transitions. [2023-11-19 07:58:29,529 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) [2023-11-19 07:58:29,534 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) [2023-11-19 07:58:29,536 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) [2023-11-19 07:58:29,537 INFO L175 Difference]: Start difference. First operand has 43 places, 40 transitions, 84 flow. Second operand 3 states and 452 transitions. [2023-11-19 07:58:29,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 46 transitions, 154 flow [2023-11-19 07:58:29,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 46 transitions, 154 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:58:29,543 INFO L231 Difference]: Finished difference. Result has 45 places, 39 transitions, 86 flow [2023-11-19 07:58:29,543 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} [2023-11-19 07:58:29,545 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -8 predicate places. [2023-11-19 07:58:29,546 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 39 transitions, 86 flow [2023-11-19 07:58:29,547 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) [2023-11-19 07:58:29,548 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:58:29,548 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:29,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:58:29,555 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-19 07:58:29,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:29,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1190087736, now seen corresponding path program 1 times [2023-11-19 07:58:29,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:29,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315501957] [2023-11-19 07:58:29,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:29,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:29,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:29,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:29,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315501957] [2023-11-19 07:58:29,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315501957] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:29,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:29,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:58:29,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096419677] [2023-11-19 07:58:29,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:29,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:58:29,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:29,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:58:29,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:58:29,715 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 282 [2023-11-19 07:58:29,716 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) [2023-11-19 07:58:29,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:58:29,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 282 [2023-11-19 07:58:29,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:58:29,868 INFO L124 PetriNetUnfolderBase]: 227/602 cut-off events. [2023-11-19 07:58:29,869 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-19 07:58:29,870 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. [2023-11-19 07:58:29,874 INFO L140 encePairwiseOnDemand]: 278/282 looper letters, 29 selfloop transitions, 3 changer transitions 0/48 dead transitions. [2023-11-19 07:58:29,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 48 transitions, 170 flow [2023-11-19 07:58:29,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:58:29,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:58:29,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 447 transitions. [2023-11-19 07:58:29,876 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5283687943262412 [2023-11-19 07:58:29,877 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 447 transitions. [2023-11-19 07:58:29,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 447 transitions. [2023-11-19 07:58:29,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:58:29,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 447 transitions. [2023-11-19 07:58:29,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 149.0) internal successors, (447), 3 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:29,882 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) [2023-11-19 07:58:29,884 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) [2023-11-19 07:58:29,884 INFO L175 Difference]: Start difference. First operand has 45 places, 39 transitions, 86 flow. Second operand 3 states and 447 transitions. [2023-11-19 07:58:29,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 48 transitions, 170 flow [2023-11-19 07:58:29,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 48 transitions, 166 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:58:29,888 INFO L231 Difference]: Finished difference. Result has 46 places, 41 transitions, 101 flow [2023-11-19 07:58:29,888 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} [2023-11-19 07:58:29,890 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -7 predicate places. [2023-11-19 07:58:29,893 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 41 transitions, 101 flow [2023-11-19 07:58:29,895 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) [2023-11-19 07:58:29,895 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:58:29,895 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:29,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:58:29,895 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)] === [2023-11-19 07:58:29,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:29,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1182122935, now seen corresponding path program 1 times [2023-11-19 07:58:29,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:29,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520866193] [2023-11-19 07:58:29,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:29,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:29,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:29,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:29,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520866193] [2023-11-19 07:58:29,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520866193] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:29,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:29,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:58:29,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202155553] [2023-11-19 07:58:29,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:29,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:58:29,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:29,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:58:29,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:58:30,010 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 282 [2023-11-19 07:58:30,011 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) [2023-11-19 07:58:30,011 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:58:30,011 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 282 [2023-11-19 07:58:30,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:58:30,190 INFO L124 PetriNetUnfolderBase]: 374/949 cut-off events. [2023-11-19 07:58:30,191 INFO L125 PetriNetUnfolderBase]: For 78/84 co-relation queries the response was YES. [2023-11-19 07:58:30,193 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. [2023-11-19 07:58:30,200 INFO L140 encePairwiseOnDemand]: 277/282 looper letters, 38 selfloop transitions, 5 changer transitions 0/58 dead transitions. [2023-11-19 07:58:30,200 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 58 transitions, 229 flow [2023-11-19 07:58:30,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:58:30,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:58:30,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 456 transitions. [2023-11-19 07:58:30,203 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5390070921985816 [2023-11-19 07:58:30,203 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 456 transitions. [2023-11-19 07:58:30,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 456 transitions. [2023-11-19 07:58:30,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:58:30,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 456 transitions. [2023-11-19 07:58:30,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:30,209 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) [2023-11-19 07:58:30,210 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) [2023-11-19 07:58:30,210 INFO L175 Difference]: Start difference. First operand has 46 places, 41 transitions, 101 flow. Second operand 3 states and 456 transitions. [2023-11-19 07:58:30,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 58 transitions, 229 flow [2023-11-19 07:58:30,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 58 transitions, 225 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:58:30,214 INFO L231 Difference]: Finished difference. Result has 49 places, 43 transitions, 130 flow [2023-11-19 07:58:30,214 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} [2023-11-19 07:58:30,215 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -4 predicate places. [2023-11-19 07:58:30,216 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 43 transitions, 130 flow [2023-11-19 07:58:30,216 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) [2023-11-19 07:58:30,217 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:58:30,217 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:30,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:58:30,217 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)] === [2023-11-19 07:58:30,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:30,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1375554665, now seen corresponding path program 1 times [2023-11-19 07:58:30,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:30,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498505323] [2023-11-19 07:58:30,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:30,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:30,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:30,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:30,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498505323] [2023-11-19 07:58:30,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498505323] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:30,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:30,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:58:30,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324706348] [2023-11-19 07:58:30,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:30,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:58:30,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:30,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:58:30,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:58:30,396 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 282 [2023-11-19 07:58:30,397 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) [2023-11-19 07:58:30,399 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:58:30,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 282 [2023-11-19 07:58:30,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:58:30,534 INFO L124 PetriNetUnfolderBase]: 140/445 cut-off events. [2023-11-19 07:58:30,534 INFO L125 PetriNetUnfolderBase]: For 61/61 co-relation queries the response was YES. [2023-11-19 07:58:30,535 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. [2023-11-19 07:58:30,538 INFO L140 encePairwiseOnDemand]: 277/282 looper letters, 28 selfloop transitions, 5 changer transitions 1/51 dead transitions. [2023-11-19 07:58:30,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 51 transitions, 201 flow [2023-11-19 07:58:30,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:58:30,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:58:30,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 447 transitions. [2023-11-19 07:58:30,540 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5283687943262412 [2023-11-19 07:58:30,541 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 447 transitions. [2023-11-19 07:58:30,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 447 transitions. [2023-11-19 07:58:30,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:58:30,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 447 transitions. [2023-11-19 07:58:30,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 149.0) internal successors, (447), 3 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:30,545 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) [2023-11-19 07:58:30,546 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) [2023-11-19 07:58:30,547 INFO L175 Difference]: Start difference. First operand has 49 places, 43 transitions, 130 flow. Second operand 3 states and 447 transitions. [2023-11-19 07:58:30,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 51 transitions, 201 flow [2023-11-19 07:58:30,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 51 transitions, 185 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-11-19 07:58:30,550 INFO L231 Difference]: Finished difference. Result has 46 places, 39 transitions, 107 flow [2023-11-19 07:58:30,550 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} [2023-11-19 07:58:30,551 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -7 predicate places. [2023-11-19 07:58:30,551 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 107 flow [2023-11-19 07:58:30,552 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) [2023-11-19 07:58:30,552 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:58:30,552 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:30,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:58:30,552 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting allocatorErr3ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-19 07:58:30,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:30,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1889259148, now seen corresponding path program 1 times [2023-11-19 07:58:30,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:30,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658041593] [2023-11-19 07:58:30,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:30,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:30,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:30,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:30,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658041593] [2023-11-19 07:58:30,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658041593] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:30,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:30,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:58:30,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569160863] [2023-11-19 07:58:30,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:30,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:58:30,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:30,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:58:30,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:58:30,638 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 282 [2023-11-19 07:58:30,639 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) [2023-11-19 07:58:30,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:58:30,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 282 [2023-11-19 07:58:30,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:58:30,769 INFO L124 PetriNetUnfolderBase]: 167/476 cut-off events. [2023-11-19 07:58:30,769 INFO L125 PetriNetUnfolderBase]: For 95/99 co-relation queries the response was YES. [2023-11-19 07:58:30,771 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. [2023-11-19 07:58:30,774 INFO L140 encePairwiseOnDemand]: 276/282 looper letters, 28 selfloop transitions, 5 changer transitions 0/48 dead transitions. [2023-11-19 07:58:30,774 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 48 transitions, 199 flow [2023-11-19 07:58:30,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:58:30,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:58:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 444 transitions. [2023-11-19 07:58:30,777 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.524822695035461 [2023-11-19 07:58:30,777 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 444 transitions. [2023-11-19 07:58:30,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 444 transitions. [2023-11-19 07:58:30,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:58:30,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 444 transitions. [2023-11-19 07:58:30,779 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) [2023-11-19 07:58:30,782 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) [2023-11-19 07:58:30,783 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) [2023-11-19 07:58:30,783 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 107 flow. Second operand 3 states and 444 transitions. [2023-11-19 07:58:30,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 48 transitions, 199 flow [2023-11-19 07:58:30,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 48 transitions, 192 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:58:30,787 INFO L231 Difference]: Finished difference. Result has 49 places, 43 transitions, 140 flow [2023-11-19 07:58:30,787 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} [2023-11-19 07:58:30,790 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -4 predicate places. [2023-11-19 07:58:30,791 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 43 transitions, 140 flow [2023-11-19 07:58:30,791 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) [2023-11-19 07:58:30,791 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:58:30,792 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:30,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:58:30,792 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)] === [2023-11-19 07:58:30,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:30,793 INFO L85 PathProgramCache]: Analyzing trace with hash -894147081, now seen corresponding path program 1 times [2023-11-19 07:58:30,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:30,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289186272] [2023-11-19 07:58:30,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:30,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:30,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:30,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:30,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289186272] [2023-11-19 07:58:30,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289186272] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:30,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:30,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:58:30,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657208674] [2023-11-19 07:58:30,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:30,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:58:30,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:30,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:58:30,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:58:30,878 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 282 [2023-11-19 07:58:30,879 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) [2023-11-19 07:58:30,879 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:58:30,879 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 282 [2023-11-19 07:58:30,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:58:31,018 INFO L124 PetriNetUnfolderBase]: 213/566 cut-off events. [2023-11-19 07:58:31,018 INFO L125 PetriNetUnfolderBase]: For 196/210 co-relation queries the response was YES. [2023-11-19 07:58:31,019 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. [2023-11-19 07:58:31,023 INFO L140 encePairwiseOnDemand]: 276/282 looper letters, 31 selfloop transitions, 8 changer transitions 0/55 dead transitions. [2023-11-19 07:58:31,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 55 transitions, 261 flow [2023-11-19 07:58:31,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:58:31,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:58:31,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2023-11-19 07:58:31,026 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5260047281323877 [2023-11-19 07:58:31,026 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 445 transitions. [2023-11-19 07:58:31,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 445 transitions. [2023-11-19 07:58:31,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:58:31,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 445 transitions. [2023-11-19 07:58:31,028 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) [2023-11-19 07:58:31,031 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) [2023-11-19 07:58:31,032 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) [2023-11-19 07:58:31,032 INFO L175 Difference]: Start difference. First operand has 49 places, 43 transitions, 140 flow. Second operand 3 states and 445 transitions. [2023-11-19 07:58:31,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 55 transitions, 261 flow [2023-11-19 07:58:31,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 55 transitions, 245 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:58:31,042 INFO L231 Difference]: Finished difference. Result has 51 places, 49 transitions, 198 flow [2023-11-19 07:58:31,042 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} [2023-11-19 07:58:31,043 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -2 predicate places. [2023-11-19 07:58:31,043 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 49 transitions, 198 flow [2023-11-19 07:58:31,044 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) [2023-11-19 07:58:31,044 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:58:31,044 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:31,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:58:31,045 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting allocatorErr4ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-19 07:58:31,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:31,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1193110419, now seen corresponding path program 1 times [2023-11-19 07:58:31,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:31,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108607448] [2023-11-19 07:58:31,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:31,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:31,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:31,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:31,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108607448] [2023-11-19 07:58:31,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108607448] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:31,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:31,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:58:31,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150875426] [2023-11-19 07:58:31,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:31,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:58:31,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:31,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:58:31,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:58:31,115 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 282 [2023-11-19 07:58:31,116 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) [2023-11-19 07:58:31,116 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:58:31,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 282 [2023-11-19 07:58:31,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:58:31,255 INFO L124 PetriNetUnfolderBase]: 274/679 cut-off events. [2023-11-19 07:58:31,256 INFO L125 PetriNetUnfolderBase]: For 672/732 co-relation queries the response was YES. [2023-11-19 07:58:31,257 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. [2023-11-19 07:58:31,260 INFO L140 encePairwiseOnDemand]: 274/282 looper letters, 29 selfloop transitions, 8 changer transitions 19/70 dead transitions. [2023-11-19 07:58:31,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 70 transitions, 385 flow [2023-11-19 07:58:31,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:58:31,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:58:31,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 459 transitions. [2023-11-19 07:58:31,262 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5425531914893617 [2023-11-19 07:58:31,263 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 459 transitions. [2023-11-19 07:58:31,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 459 transitions. [2023-11-19 07:58:31,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:58:31,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 459 transitions. [2023-11-19 07:58:31,265 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) [2023-11-19 07:58:31,267 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) [2023-11-19 07:58:31,268 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) [2023-11-19 07:58:31,268 INFO L175 Difference]: Start difference. First operand has 51 places, 49 transitions, 198 flow. Second operand 3 states and 459 transitions. [2023-11-19 07:58:31,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 70 transitions, 385 flow [2023-11-19 07:58:31,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 70 transitions, 365 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:58:31,272 INFO L231 Difference]: Finished difference. Result has 53 places, 47 transitions, 218 flow [2023-11-19 07:58:31,272 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} [2023-11-19 07:58:31,273 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, 0 predicate places. [2023-11-19 07:58:31,273 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 47 transitions, 218 flow [2023-11-19 07:58:31,273 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) [2023-11-19 07:58:31,273 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:58:31,274 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:31,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:58:31,274 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting allocatorErr3ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-19 07:58:31,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:31,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1142029400, now seen corresponding path program 1 times [2023-11-19 07:58:31,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:31,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315809655] [2023-11-19 07:58:31,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:31,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:31,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:31,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:31,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315809655] [2023-11-19 07:58:31,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315809655] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:31,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:31,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:58:31,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237786910] [2023-11-19 07:58:31,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:31,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:58:31,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:31,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:58:31,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:58:31,357 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 282 [2023-11-19 07:58:31,358 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) [2023-11-19 07:58:31,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:58:31,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 282 [2023-11-19 07:58:31,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:58:31,417 INFO L124 PetriNetUnfolderBase]: 52/157 cut-off events. [2023-11-19 07:58:31,417 INFO L125 PetriNetUnfolderBase]: For 125/129 co-relation queries the response was YES. [2023-11-19 07:58:31,418 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. [2023-11-19 07:58:31,418 INFO L140 encePairwiseOnDemand]: 280/282 looper letters, 0 selfloop transitions, 0 changer transitions 30/30 dead transitions. [2023-11-19 07:58:31,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 30 transitions, 148 flow [2023-11-19 07:58:31,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:58:31,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:58:31,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 450 transitions. [2023-11-19 07:58:31,421 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5319148936170213 [2023-11-19 07:58:31,421 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 450 transitions. [2023-11-19 07:58:31,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 450 transitions. [2023-11-19 07:58:31,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:58:31,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 450 transitions. [2023-11-19 07:58:31,423 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) [2023-11-19 07:58:31,425 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) [2023-11-19 07:58:31,426 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) [2023-11-19 07:58:31,426 INFO L175 Difference]: Start difference. First operand has 53 places, 47 transitions, 218 flow. Second operand 3 states and 450 transitions. [2023-11-19 07:58:31,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 30 transitions, 148 flow [2023-11-19 07:58:31,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 30 transitions, 128 flow, removed 5 selfloop flow, removed 7 redundant places. [2023-11-19 07:58:31,428 INFO L231 Difference]: Finished difference. Result has 37 places, 0 transitions, 0 flow [2023-11-19 07:58:31,428 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} [2023-11-19 07:58:31,429 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -16 predicate places. [2023-11-19 07:58:31,429 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 0 transitions, 0 flow [2023-11-19 07:58:31,429 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) [2023-11-19 07:58:31,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2023-11-19 07:58:31,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr3ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2023-11-19 07:58:31,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr1ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2023-11-19 07:58:31,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr4ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2023-11-19 07:58:31,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr2ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2023-11-19 07:58:31,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2023-11-19 07:58:31,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr1ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2023-11-19 07:58:31,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr2ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2023-11-19 07:58:31,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2023-11-19 07:58:31,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2023-11-19 07:58:31,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2023-11-19 07:58:31,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2023-11-19 07:58:31,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 22 remaining) [2023-11-19 07:58:31,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 22 remaining) [2023-11-19 07:58:31,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2023-11-19 07:58:31,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr3ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2023-11-19 07:58:31,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr1ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2023-11-19 07:58:31,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr4ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2023-11-19 07:58:31,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr2ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2023-11-19 07:58:31,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2023-11-19 07:58:31,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr1ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2023-11-19 07:58:31,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr2ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2023-11-19 07:58:31,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 07:58:31,437 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:31,443 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:58:31,443 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:58:31,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:58:31 BasicIcfg [2023-11-19 07:58:31,447 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:58:31,447 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:58:31,448 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:58:31,448 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:58:31,448 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:23" (3/4) ... [2023-11-19 07:58:31,450 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:58:31,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure allocator [2023-11-19 07:58:31,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure de_allocator [2023-11-19 07:58:31,460 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 07:58:31,460 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:58:31,460 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:58:31,461 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:58:31,551 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caba360a-867c-4d74-926a-ebd38fff7b80/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:58:31,552 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caba360a-867c-4d74-926a-ebd38fff7b80/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:58:31,552 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:58:31,553 INFO L158 Benchmark]: Toolchain (without parser) took 9627.85ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 93.1MB in the beginning and 57.6MB in the end (delta: 35.5MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2023-11-19 07:58:31,553 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:58:31,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 651.75ms. Allocated memory is still 130.0MB. Free memory was 92.6MB in the beginning and 72.8MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:58:31,554 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.85ms. Allocated memory is still 130.0MB. Free memory was 72.8MB in the beginning and 70.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:58:31,554 INFO L158 Benchmark]: Boogie Preprocessor took 35.98ms. Allocated memory is still 130.0MB. Free memory was 70.5MB in the beginning and 68.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:58:31,554 INFO L158 Benchmark]: RCFGBuilder took 523.83ms. Allocated memory is still 130.0MB. Free memory was 68.6MB in the beginning and 51.1MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:58:31,555 INFO L158 Benchmark]: TraceAbstraction took 8204.29ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 50.7MB in the beginning and 62.8MB in the end (delta: -12.2MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-11-19 07:58:31,555 INFO L158 Benchmark]: Witness Printer took 104.53ms. Allocated memory is still 159.4MB. Free memory was 62.8MB in the beginning and 57.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:58:31,557 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 651.75ms. Allocated memory is still 130.0MB. Free memory was 92.6MB in the beginning and 72.8MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.85ms. Allocated memory is still 130.0MB. Free memory was 72.8MB in the beginning and 70.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.98ms. Allocated memory is still 130.0MB. Free memory was 70.5MB in the beginning and 68.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 523.83ms. Allocated memory is still 130.0MB. Free memory was 68.6MB in the beginning and 51.1MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 8204.29ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 50.7MB in the beginning and 62.8MB in the end (delta: -12.2MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Witness Printer took 104.53ms. Allocated memory is still 159.4MB. Free memory was 62.8MB in the beginning and 57.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.0s, 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: 8.0s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.2s, 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! [2023-11-19 07:58:31,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caba360a-867c-4d74-926a-ebd38fff7b80/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE