./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/bench-exp1x3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bbeed9-2ef1-454e-a23d-ef558c257b37/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bbeed9-2ef1-454e-a23d-ef558c257b37/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bbeed9-2ef1-454e-a23d-ef558c257b37/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bbeed9-2ef1-454e-a23d-ef558c257b37/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp1x3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bbeed9-2ef1-454e-a23d-ef558c257b37/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bbeed9-2ef1-454e-a23d-ef558c257b37/bin/uautomizer-verify-aQ6SnzHsRB --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 52eeb5cce5645e9dacc261319eae3d665b5cc432ff3ddd2ef39502a44996e68d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:22:43,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:22:43,740 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bbeed9-2ef1-454e-a23d-ef558c257b37/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 05:22:43,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:22:43,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:22:43,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:22:43,784 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:22:43,784 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:22:43,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:22:43,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:22:43,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:22:43,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:22:43,786 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:22:43,786 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:22:43,787 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:22:43,787 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:22:43,787 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:22:43,788 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:22:43,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:22:43,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:22:43,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:22:43,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:22:43,788 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 05:22:43,788 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:22:43,789 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:22:43,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:22:43,789 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:22:43,789 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:22:43,789 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:22:43,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:22:43,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:22:43,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:22:43,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:22:43,790 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:22:43,790 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:22:43,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:22:43,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:22:43,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:22:43,791 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:22:43,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:22:43,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:22:43,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:22:43,791 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:22:43,792 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:22:43,792 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:22:43,792 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:22:43,792 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c3bbeed9-2ef1-454e-a23d-ef558c257b37/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 52eeb5cce5645e9dacc261319eae3d665b5cc432ff3ddd2ef39502a44996e68d [2024-11-28 05:22:44,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:22:44,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:22:44,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:22:44,089 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:22:44,089 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:22:44,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bbeed9-2ef1-454e-a23d-ef558c257b37/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/bench-exp1x3.wvr.c [2024-11-28 05:22:46,887 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bbeed9-2ef1-454e-a23d-ef558c257b37/bin/uautomizer-verify-aQ6SnzHsRB/data/52090cc3c/536d1a120fc542e2aec7976b60b3e227/FLAG97de94ad4 [2024-11-28 05:22:47,152 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:22:47,154 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bbeed9-2ef1-454e-a23d-ef558c257b37/sv-benchmarks/c/weaver/bench-exp1x3.wvr.c [2024-11-28 05:22:47,162 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bbeed9-2ef1-454e-a23d-ef558c257b37/bin/uautomizer-verify-aQ6SnzHsRB/data/52090cc3c/536d1a120fc542e2aec7976b60b3e227/FLAG97de94ad4 [2024-11-28 05:22:47,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bbeed9-2ef1-454e-a23d-ef558c257b37/bin/uautomizer-verify-aQ6SnzHsRB/data/52090cc3c/536d1a120fc542e2aec7976b60b3e227 [2024-11-28 05:22:47,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:22:47,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:22:47,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:22:47,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:22:47,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:22:47,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:22:47" (1/1) ... [2024-11-28 05:22:47,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f4f864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:47, skipping insertion in model container [2024-11-28 05:22:47,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:22:47" (1/1) ... [2024-11-28 05:22:47,200 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:22:47,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:22:47,434 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:22:47,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:22:47,488 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:22:47,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:47 WrapperNode [2024-11-28 05:22:47,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:22:47,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:22:47,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:22:47,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:22:47,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:47" (1/1) ... [2024-11-28 05:22:47,503 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:47" (1/1) ... [2024-11-28 05:22:47,526 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2024-11-28 05:22:47,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:22:47,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:22:47,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:22:47,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:22:47,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:47" (1/1) ... [2024-11-28 05:22:47,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:47" (1/1) ... [2024-11-28 05:22:47,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:47" (1/1) ... [2024-11-28 05:22:47,539 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:47" (1/1) ... [2024-11-28 05:22:47,546 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:47" (1/1) ... [2024-11-28 05:22:47,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:47" (1/1) ... [2024-11-28 05:22:47,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:47" (1/1) ... [2024-11-28 05:22:47,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:47" (1/1) ... [2024-11-28 05:22:47,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:47" (1/1) ... [2024-11-28 05:22:47,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:22:47,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:22:47,564 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:22:47,564 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:22:47,565 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:47" (1/1) ... [2024-11-28 05:22:47,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:22:47,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bbeed9-2ef1-454e-a23d-ef558c257b37/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:22:47,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bbeed9-2ef1-454e-a23d-ef558c257b37/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:22:47,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bbeed9-2ef1-454e-a23d-ef558c257b37/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:22:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:22:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 05:22:47,632 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 05:22:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 05:22:47,632 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 05:22:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 05:22:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:22:47,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:22:47,634 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 05:22:47,722 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:22:47,723 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:22:47,956 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 05:22:47,956 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:22:47,969 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:22:47,970 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 05:22:47,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:22:47 BoogieIcfgContainer [2024-11-28 05:22:47,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:22:47,973 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:22:47,973 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:22:47,978 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:22:47,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:22:47" (1/3) ... [2024-11-28 05:22:47,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee8822e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:22:47, skipping insertion in model container [2024-11-28 05:22:47,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:22:47" (2/3) ... [2024-11-28 05:22:47,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee8822e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:22:47, skipping insertion in model container [2024-11-28 05:22:47,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:22:47" (3/3) ... [2024-11-28 05:22:47,981 INFO L128 eAbstractionObserver]: Analyzing ICFG bench-exp1x3.wvr.c [2024-11-28 05:22:47,996 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:22:47,998 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bench-exp1x3.wvr.c that has 3 procedures, 139 locations, 1 initial locations, 2 loop locations, and 18 error locations. [2024-11-28 05:22:47,999 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 05:22:48,119 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 05:22:48,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 145 transitions, 304 flow [2024-11-28 05:22:48,266 INFO L124 PetriNetUnfolderBase]: 7/143 cut-off events. [2024-11-28 05:22:48,271 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 05:22:48,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 143 events. 7/143 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 159 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2024-11-28 05:22:48,279 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 145 transitions, 304 flow [2024-11-28 05:22:48,285 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 126 transitions, 264 flow [2024-11-28 05:22:48,295 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:22:48,308 INFO L333 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, 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;@71c4aff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:22:48,309 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-28 05:22:48,320 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 05:22:48,322 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2024-11-28 05:22:48,322 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:22:48,322 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:22:48,323 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:48,324 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 05:22:48,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:48,335 INFO L85 PathProgramCache]: Analyzing trace with hash 223957927, now seen corresponding path program 1 times [2024-11-28 05:22:48,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:48,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832906474] [2024-11-28 05:22:48,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:48,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:48,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:22:48,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:48,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832906474] [2024-11-28 05:22:48,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832906474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:48,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:48,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:22:48,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327524021] [2024-11-28 05:22:48,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:48,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:48,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:48,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:48,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:22:48,661 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 145 [2024-11-28 05:22:48,667 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 126 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 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) [2024-11-28 05:22:48,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:22:48,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 145 [2024-11-28 05:22:48,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:22:48,750 INFO L124 PetriNetUnfolderBase]: 8/149 cut-off events. [2024-11-28 05:22:48,751 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-28 05:22:48,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 149 events. 8/149 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 311 event pairs, 4 based on Foata normal form. 7/129 useless extension candidates. Maximal degree in co-relation 105. Up to 24 conditions per place. [2024-11-28 05:22:48,754 INFO L140 encePairwiseOnDemand]: 139/145 looper letters, 14 selfloop transitions, 2 changer transitions 1/122 dead transitions. [2024-11-28 05:22:48,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 122 transitions, 288 flow [2024-11-28 05:22:48,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:48,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:22:48,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 386 transitions. [2024-11-28 05:22:48,768 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8873563218390804 [2024-11-28 05:22:48,770 INFO L175 Difference]: Start difference. First operand has 127 places, 126 transitions, 264 flow. Second operand 3 states and 386 transitions. [2024-11-28 05:22:48,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 122 transitions, 288 flow [2024-11-28 05:22:48,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 122 transitions, 280 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 05:22:48,778 INFO L231 Difference]: Finished difference. Result has 124 places, 121 transitions, 250 flow [2024-11-28 05:22:48,781 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=124, PETRI_TRANSITIONS=121} [2024-11-28 05:22:48,784 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, -3 predicate places. [2024-11-28 05:22:48,784 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 121 transitions, 250 flow [2024-11-28 05:22:48,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 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) [2024-11-28 05:22:48,785 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:22:48,785 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:48,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:22:48,786 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 05:22:48,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:48,786 INFO L85 PathProgramCache]: Analyzing trace with hash -564007131, now seen corresponding path program 1 times [2024-11-28 05:22:48,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:48,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076563525] [2024-11-28 05:22:48,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:48,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:48,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:22:48,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:48,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076563525] [2024-11-28 05:22:48,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076563525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:48,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:48,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:22:48,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873566623] [2024-11-28 05:22:48,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:48,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:48,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:48,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:48,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:22:48,936 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 145 [2024-11-28 05:22:48,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 121 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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) [2024-11-28 05:22:48,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:22:48,937 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 145 [2024-11-28 05:22:48,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:22:48,998 INFO L124 PetriNetUnfolderBase]: 8/147 cut-off events. [2024-11-28 05:22:48,999 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-28 05:22:49,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 147 events. 8/147 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 288 event pairs, 4 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 152. Up to 23 conditions per place. [2024-11-28 05:22:49,002 INFO L140 encePairwiseOnDemand]: 142/145 looper letters, 13 selfloop transitions, 2 changer transitions 0/120 dead transitions. [2024-11-28 05:22:49,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 120 transitions, 278 flow [2024-11-28 05:22:49,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:49,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:22:49,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 385 transitions. [2024-11-28 05:22:49,007 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8850574712643678 [2024-11-28 05:22:49,008 INFO L175 Difference]: Start difference. First operand has 124 places, 121 transitions, 250 flow. Second operand 3 states and 385 transitions. [2024-11-28 05:22:49,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 120 transitions, 278 flow [2024-11-28 05:22:49,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 120 transitions, 274 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:22:49,014 INFO L231 Difference]: Finished difference. Result has 122 places, 120 transitions, 248 flow [2024-11-28 05:22:49,014 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=122, PETRI_TRANSITIONS=120} [2024-11-28 05:22:49,015 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, -5 predicate places. [2024-11-28 05:22:49,015 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 120 transitions, 248 flow [2024-11-28 05:22:49,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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) [2024-11-28 05:22:49,015 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:22:49,015 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:49,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:22:49,016 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 05:22:49,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:49,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1308890586, now seen corresponding path program 1 times [2024-11-28 05:22:49,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:49,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947959494] [2024-11-28 05:22:49,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:49,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:49,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:22:49,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:49,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947959494] [2024-11-28 05:22:49,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947959494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:49,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:49,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:22:49,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217548682] [2024-11-28 05:22:49,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:49,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:49,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:49,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:49,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:22:49,129 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 145 [2024-11-28 05:22:49,130 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 120 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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) [2024-11-28 05:22:49,131 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:22:49,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 145 [2024-11-28 05:22:49,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:22:49,189 INFO L124 PetriNetUnfolderBase]: 8/169 cut-off events. [2024-11-28 05:22:49,189 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 05:22:49,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 169 events. 8/169 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 371 event pairs, 3 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 163. Up to 18 conditions per place. [2024-11-28 05:22:49,191 INFO L140 encePairwiseOnDemand]: 142/145 looper letters, 9 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2024-11-28 05:22:49,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 119 transitions, 268 flow [2024-11-28 05:22:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:49,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:22:49,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 393 transitions. [2024-11-28 05:22:49,193 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.903448275862069 [2024-11-28 05:22:49,193 INFO L175 Difference]: Start difference. First operand has 122 places, 120 transitions, 248 flow. Second operand 3 states and 393 transitions. [2024-11-28 05:22:49,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 119 transitions, 268 flow [2024-11-28 05:22:49,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 119 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:22:49,196 INFO L231 Difference]: Finished difference. Result has 121 places, 119 transitions, 246 flow [2024-11-28 05:22:49,196 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=121, PETRI_TRANSITIONS=119} [2024-11-28 05:22:49,197 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, -6 predicate places. [2024-11-28 05:22:49,197 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 119 transitions, 246 flow [2024-11-28 05:22:49,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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) [2024-11-28 05:22:49,197 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:22:49,197 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:49,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:22:49,198 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 05:22:49,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:49,198 INFO L85 PathProgramCache]: Analyzing trace with hash 547114741, now seen corresponding path program 1 times [2024-11-28 05:22:49,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:49,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019981446] [2024-11-28 05:22:49,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:49,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:22:49,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:49,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019981446] [2024-11-28 05:22:49,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019981446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:49,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:49,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:22:49,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250940113] [2024-11-28 05:22:49,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:49,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:49,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:49,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:49,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:22:49,281 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 145 [2024-11-28 05:22:49,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 119 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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) [2024-11-28 05:22:49,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:22:49,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 145 [2024-11-28 05:22:49,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:22:49,325 INFO L124 PetriNetUnfolderBase]: 11/141 cut-off events. [2024-11-28 05:22:49,325 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 05:22:49,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 141 events. 11/141 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 313 event pairs, 6 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 149. Up to 30 conditions per place. [2024-11-28 05:22:49,329 INFO L140 encePairwiseOnDemand]: 136/145 looper letters, 17 selfloop transitions, 3 changer transitions 0/115 dead transitions. [2024-11-28 05:22:49,329 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 115 transitions, 279 flow [2024-11-28 05:22:49,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:49,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:22:49,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions. [2024-11-28 05:22:49,330 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8597701149425288 [2024-11-28 05:22:49,331 INFO L175 Difference]: Start difference. First operand has 121 places, 119 transitions, 246 flow. Second operand 3 states and 374 transitions. [2024-11-28 05:22:49,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 115 transitions, 279 flow [2024-11-28 05:22:49,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 115 transitions, 275 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:22:49,333 INFO L231 Difference]: Finished difference. Result has 116 places, 114 transitions, 243 flow [2024-11-28 05:22:49,334 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=243, PETRI_PLACES=116, PETRI_TRANSITIONS=114} [2024-11-28 05:22:49,337 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, -11 predicate places. [2024-11-28 05:22:49,337 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 114 transitions, 243 flow [2024-11-28 05:22:49,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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) [2024-11-28 05:22:49,338 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:22:49,338 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:49,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:22:49,338 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 05:22:49,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:49,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1791263476, now seen corresponding path program 1 times [2024-11-28 05:22:49,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:49,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104492888] [2024-11-28 05:22:49,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:49,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:49,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:22:49,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:49,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104492888] [2024-11-28 05:22:49,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104492888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:49,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:49,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:22:49,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281777400] [2024-11-28 05:22:49,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:49,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:49,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:49,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:49,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:22:49,449 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 145 [2024-11-28 05:22:49,450 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 114 transitions, 243 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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) [2024-11-28 05:22:49,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:22:49,450 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 145 [2024-11-28 05:22:49,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:22:49,509 INFO L124 PetriNetUnfolderBase]: 11/137 cut-off events. [2024-11-28 05:22:49,509 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-28 05:22:49,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 137 events. 11/137 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 278 event pairs, 6 based on Foata normal form. 1/127 useless extension candidates. Maximal degree in co-relation 130. Up to 27 conditions per place. [2024-11-28 05:22:49,510 INFO L140 encePairwiseOnDemand]: 137/145 looper letters, 12 selfloop transitions, 3 changer transitions 4/111 dead transitions. [2024-11-28 05:22:49,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 111 transitions, 272 flow [2024-11-28 05:22:49,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:49,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:22:49,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 379 transitions. [2024-11-28 05:22:49,514 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.871264367816092 [2024-11-28 05:22:49,514 INFO L175 Difference]: Start difference. First operand has 116 places, 114 transitions, 243 flow. Second operand 3 states and 379 transitions. [2024-11-28 05:22:49,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 111 transitions, 272 flow [2024-11-28 05:22:49,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 111 transitions, 269 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 05:22:49,519 INFO L231 Difference]: Finished difference. Result has 113 places, 106 transitions, 234 flow [2024-11-28 05:22:49,519 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=113, PETRI_TRANSITIONS=106} [2024-11-28 05:22:49,519 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, -14 predicate places. [2024-11-28 05:22:49,519 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 106 transitions, 234 flow [2024-11-28 05:22:49,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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) [2024-11-28 05:22:49,520 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:22:49,520 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:49,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:22:49,520 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 05:22:49,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:49,521 INFO L85 PathProgramCache]: Analyzing trace with hash -361996159, now seen corresponding path program 1 times [2024-11-28 05:22:49,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:49,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088699579] [2024-11-28 05:22:49,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:49,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:22:49,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:49,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088699579] [2024-11-28 05:22:49,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088699579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:49,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:49,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:22:49,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490730393] [2024-11-28 05:22:49,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:49,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:49,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:49,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:49,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:22:49,605 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 145 [2024-11-28 05:22:49,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 106 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 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) [2024-11-28 05:22:49,606 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:22:49,606 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 145 [2024-11-28 05:22:49,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:22:49,647 INFO L124 PetriNetUnfolderBase]: 17/210 cut-off events. [2024-11-28 05:22:49,647 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-28 05:22:49,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 210 events. 17/210 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 616 event pairs, 4 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 184. Up to 29 conditions per place. [2024-11-28 05:22:49,649 INFO L140 encePairwiseOnDemand]: 141/145 looper letters, 9 selfloop transitions, 2 changer transitions 0/107 dead transitions. [2024-11-28 05:22:49,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 107 transitions, 259 flow [2024-11-28 05:22:49,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:49,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:22:49,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 400 transitions. [2024-11-28 05:22:49,651 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9195402298850575 [2024-11-28 05:22:49,651 INFO L175 Difference]: Start difference. First operand has 113 places, 106 transitions, 234 flow. Second operand 3 states and 400 transitions. [2024-11-28 05:22:49,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 107 transitions, 259 flow [2024-11-28 05:22:49,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 107 transitions, 256 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 05:22:49,654 INFO L231 Difference]: Finished difference. Result has 109 places, 106 transitions, 241 flow [2024-11-28 05:22:49,654 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=241, PETRI_PLACES=109, PETRI_TRANSITIONS=106} [2024-11-28 05:22:49,655 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, -18 predicate places. [2024-11-28 05:22:49,655 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 106 transitions, 241 flow [2024-11-28 05:22:49,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 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) [2024-11-28 05:22:49,656 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:22:49,656 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:49,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:22:49,656 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 05:22:49,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:49,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1620206867, now seen corresponding path program 1 times [2024-11-28 05:22:49,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:49,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063150555] [2024-11-28 05:22:49,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:49,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:49,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:22:49,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:49,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063150555] [2024-11-28 05:22:49,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063150555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:49,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:49,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:22:49,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612820767] [2024-11-28 05:22:49,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:49,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:49,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:49,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:49,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:22:49,779 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 145 [2024-11-28 05:22:49,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 106 transitions, 241 flow. Second operand has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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) [2024-11-28 05:22:49,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:22:49,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 145 [2024-11-28 05:22:49,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:22:49,821 INFO L124 PetriNetUnfolderBase]: 15/156 cut-off events. [2024-11-28 05:22:49,821 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 05:22:49,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 156 events. 15/156 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 377 event pairs, 6 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 127. Up to 25 conditions per place. [2024-11-28 05:22:49,822 INFO L140 encePairwiseOnDemand]: 142/145 looper letters, 13 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2024-11-28 05:22:49,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 106 transitions, 272 flow [2024-11-28 05:22:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:49,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:22:49,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 387 transitions. [2024-11-28 05:22:49,825 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8896551724137931 [2024-11-28 05:22:49,825 INFO L175 Difference]: Start difference. First operand has 109 places, 106 transitions, 241 flow. Second operand 3 states and 387 transitions. [2024-11-28 05:22:49,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 106 transitions, 272 flow [2024-11-28 05:22:49,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 106 transitions, 272 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 05:22:49,829 INFO L231 Difference]: Finished difference. Result has 110 places, 105 transitions, 243 flow [2024-11-28 05:22:49,829 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=243, PETRI_PLACES=110, PETRI_TRANSITIONS=105} [2024-11-28 05:22:49,830 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, -17 predicate places. [2024-11-28 05:22:49,832 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 105 transitions, 243 flow [2024-11-28 05:22:49,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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) [2024-11-28 05:22:49,832 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:22:49,832 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:49,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 05:22:49,833 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 05:22:49,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:49,834 INFO L85 PathProgramCache]: Analyzing trace with hash -929000122, now seen corresponding path program 1 times [2024-11-28 05:22:49,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:49,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081675694] [2024-11-28 05:22:49,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:49,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:49,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:22:49,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:49,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081675694] [2024-11-28 05:22:49,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081675694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:49,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:49,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:22:49,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196874232] [2024-11-28 05:22:49,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:49,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:49,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:49,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:49,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:22:50,012 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 145 [2024-11-28 05:22:50,012 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 105 transitions, 243 flow. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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) [2024-11-28 05:22:50,013 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:22:50,013 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 145 [2024-11-28 05:22:50,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:22:50,050 INFO L124 PetriNetUnfolderBase]: 15/152 cut-off events. [2024-11-28 05:22:50,052 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-28 05:22:50,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 152 events. 15/152 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 316 event pairs, 5 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 203. Up to 29 conditions per place. [2024-11-28 05:22:50,053 INFO L140 encePairwiseOnDemand]: 142/145 looper letters, 0 selfloop transitions, 0 changer transitions 105/105 dead transitions. [2024-11-28 05:22:50,053 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 105 transitions, 272 flow [2024-11-28 05:22:50,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:50,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:22:50,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 389 transitions. [2024-11-28 05:22:50,055 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8942528735632184 [2024-11-28 05:22:50,055 INFO L175 Difference]: Start difference. First operand has 110 places, 105 transitions, 243 flow. Second operand 3 states and 389 transitions. [2024-11-28 05:22:50,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 105 transitions, 272 flow [2024-11-28 05:22:50,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 105 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:22:50,057 INFO L231 Difference]: Finished difference. Result has 109 places, 0 transitions, 0 flow [2024-11-28 05:22:50,058 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=109, PETRI_TRANSITIONS=0} [2024-11-28 05:22:50,060 INFO L279 CegarLoopForPetriNet]: 127 programPoint places, -18 predicate places. [2024-11-28 05:22:50,060 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 0 transitions, 0 flow [2024-11-28 05:22:50,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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) [2024-11-28 05:22:50,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 30 remaining) [2024-11-28 05:22:50,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 30 remaining) [2024-11-28 05:22:50,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 30 remaining) [2024-11-28 05:22:50,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 30 remaining) [2024-11-28 05:22:50,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 30 remaining) [2024-11-28 05:22:50,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 30 remaining) [2024-11-28 05:22:50,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 30 remaining) [2024-11-28 05:22:50,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 30 remaining) [2024-11-28 05:22:50,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 30 remaining) [2024-11-28 05:22:50,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 30 remaining) [2024-11-28 05:22:50,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 30 remaining) [2024-11-28 05:22:50,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 30 remaining) [2024-11-28 05:22:50,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 30 remaining) [2024-11-28 05:22:50,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 30 remaining) [2024-11-28 05:22:50,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 30 remaining) [2024-11-28 05:22:50,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 30 remaining) [2024-11-28 05:22:50,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (13 of 30 remaining) [2024-11-28 05:22:50,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (12 of 30 remaining) [2024-11-28 05:22:50,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 30 remaining) [2024-11-28 05:22:50,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 30 remaining) [2024-11-28 05:22:50,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (9 of 30 remaining) [2024-11-28 05:22:50,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (8 of 30 remaining) [2024-11-28 05:22:50,073 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (7 of 30 remaining) [2024-11-28 05:22:50,073 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (6 of 30 remaining) [2024-11-28 05:22:50,073 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (5 of 30 remaining) [2024-11-28 05:22:50,073 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 30 remaining) [2024-11-28 05:22:50,073 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 30 remaining) [2024-11-28 05:22:50,073 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 30 remaining) [2024-11-28 05:22:50,073 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (1 of 30 remaining) [2024-11-28 05:22:50,073 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 30 remaining) [2024-11-28 05:22:50,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 05:22:50,074 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:50,084 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 05:22:50,084 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:22:50,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:22:50 BasicIcfg [2024-11-28 05:22:50,092 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:22:50,093 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:22:50,093 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:22:50,093 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:22:50,094 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:22:47" (3/4) ... [2024-11-28 05:22:50,097 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 05:22:50,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 05:22:50,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 05:22:50,106 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-28 05:22:50,107 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 05:22:50,107 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 05:22:50,107 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 05:22:50,204 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bbeed9-2ef1-454e-a23d-ef558c257b37/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:22:50,205 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bbeed9-2ef1-454e-a23d-ef558c257b37/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:22:50,205 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:22:50,207 INFO L158 Benchmark]: Toolchain (without parser) took 3027.58ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.1MB in the beginning and 268.8MB in the end (delta: -175.7MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2024-11-28 05:22:50,207 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:22:50,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.56ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.6MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:22:50,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.57ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:22:50,209 INFO L158 Benchmark]: Boogie Preprocessor took 35.30ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.5MB in the end (delta: 614.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:22:50,210 INFO L158 Benchmark]: RCFGBuilder took 406.94ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 64.8MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:22:50,210 INFO L158 Benchmark]: TraceAbstraction took 2119.63ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 64.1MB in the beginning and 274.2MB in the end (delta: -210.1MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-11-28 05:22:50,211 INFO L158 Benchmark]: Witness Printer took 112.05ms. Allocated memory is still 352.3MB. Free memory was 274.2MB in the beginning and 268.8MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:22:50,213 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.56ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.6MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.57ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.30ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.5MB in the end (delta: 614.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 406.94ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 64.8MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2119.63ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 64.1MB in the beginning and 274.2MB in the end (delta: -210.1MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Witness Printer took 112.05ms. Allocated memory is still 352.3MB. Free memory was 274.2MB in the beginning and 268.8MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: 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, 187 locations, 30 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: 1.9s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 307 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 95 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 310 IncrementalHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 95 mSDtfsCounter, 310 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=264occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 341 NumberOfCodeBlocks, 341 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 333 ConstructedInterpolants, 0 QuantifiedInterpolants, 349 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 05:22:50,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bbeed9-2ef1-454e-a23d-ef558c257b37/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE