./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29475265-e557-4494-935a-29afc48861a8/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29475265-e557-4494-935a-29afc48861a8/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29475265-e557-4494-935a-29afc48861a8/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29475265-e557-4494-935a-29afc48861a8/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29475265-e557-4494-935a-29afc48861a8/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29475265-e557-4494-935a-29afc48861a8/bin/uautomizer-verify-VRDe98Ueme --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 a138099a172ffd618c200f98f002dd42af622d442f084454d63ab9b76b3cf563 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:59:01,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:59:01,428 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29475265-e557-4494-935a-29afc48861a8/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:59:01,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:59:01,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:59:01,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:59:01,479 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:59:01,480 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:59:01,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:59:01,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:59:01,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:59:01,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:59:01,484 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:59:01,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:59:01,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:59:01,485 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:59:01,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:59:01,487 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:59:01,487 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:59:01,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:59:01,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:59:01,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:59:01,490 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:59:01,490 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:59:01,491 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:59:01,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:59:01,492 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:59:01,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:59:01,493 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:59:01,493 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:59:01,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:01,494 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:59:01,494 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:59:01,495 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:59:01,495 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:59:01,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:59:01,495 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:59:01,496 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:59:01,496 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:59:01,496 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:59:01,496 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:59:01,497 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29475265-e557-4494-935a-29afc48861a8/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29475265-e557-4494-935a-29afc48861a8/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a138099a172ffd618c200f98f002dd42af622d442f084454d63ab9b76b3cf563 [2023-11-26 11:59:01,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:59:01,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:59:01,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:59:01,875 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:59:01,876 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:59:01,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29475265-e557-4494-935a-29afc48861a8/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i [2023-11-26 11:59:05,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:59:05,356 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:59:05,357 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29475265-e557-4494-935a-29afc48861a8/sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i [2023-11-26 11:59:05,388 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29475265-e557-4494-935a-29afc48861a8/bin/uautomizer-verify-VRDe98Ueme/data/a5c040887/0d36b57d0be74917b44ff1e0129b15a8/FLAG672f6e07f [2023-11-26 11:59:05,405 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29475265-e557-4494-935a-29afc48861a8/bin/uautomizer-verify-VRDe98Ueme/data/a5c040887/0d36b57d0be74917b44ff1e0129b15a8 [2023-11-26 11:59:05,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:59:05,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:59:05,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:05,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:59:05,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:59:05,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:05" (1/1) ... [2023-11-26 11:59:05,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2aa15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:05, skipping insertion in model container [2023-11-26 11:59:05,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:05" (1/1) ... [2023-11-26 11:59:05,490 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:59:06,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:06,122 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:59:06,210 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:06,300 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:59:06,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:06 WrapperNode [2023-11-26 11:59:06,300 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:06,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:06,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:59:06,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:59:06,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:06" (1/1) ... [2023-11-26 11:59:06,342 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:06" (1/1) ... [2023-11-26 11:59:06,381 INFO L138 Inliner]: procedures = 262, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2023-11-26 11:59:06,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:06,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:59:06,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:59:06,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:59:06,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:06" (1/1) ... [2023-11-26 11:59:06,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:06" (1/1) ... [2023-11-26 11:59:06,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:06" (1/1) ... [2023-11-26 11:59:06,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:06" (1/1) ... [2023-11-26 11:59:06,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:06" (1/1) ... [2023-11-26 11:59:06,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:06" (1/1) ... [2023-11-26 11:59:06,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:06" (1/1) ... [2023-11-26 11:59:06,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:06" (1/1) ... [2023-11-26 11:59:06,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:59:06,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:59:06,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:59:06,449 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:59:06,450 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:06" (1/1) ... [2023-11-26 11:59:06,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:06,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29475265-e557-4494-935a-29afc48861a8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:06,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29475265-e557-4494-935a-29afc48861a8/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:06,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29475265-e557-4494-935a-29afc48861a8/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:59:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:59:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:59:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 11:59:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:59:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:59:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-26 11:59:06,535 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-26 11:59:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:59:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:59:06,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:59:06,537 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 11:59:06,671 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:59:06,673 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:59:06,890 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:59:06,900 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:59:06,900 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:59:06,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:06 BoogieIcfgContainer [2023-11-26 11:59:06,902 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:59:06,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:59:06,905 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:59:06,914 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:59:06,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:59:05" (1/3) ... [2023-11-26 11:59:06,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ab100a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:06, skipping insertion in model container [2023-11-26 11:59:06,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:06" (2/3) ... [2023-11-26 11:59:06,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ab100a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:06, skipping insertion in model container [2023-11-26 11:59:06,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:06" (3/3) ... [2023-11-26 11:59:06,917 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_15-fldunknown_access.i [2023-11-26 11:59:06,925 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:59:06,933 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:59:06,933 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-26 11:59:06,934 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:59:07,021 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 11:59:07,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 75 places, 72 transitions, 148 flow [2023-11-26 11:59:07,108 INFO L124 PetriNetUnfolderBase]: 1/71 cut-off events. [2023-11-26 11:59:07,109 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:59:07,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 71 events. 1/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2023-11-26 11:59:07,113 INFO L82 GeneralOperation]: Start removeDead. Operand has 75 places, 72 transitions, 148 flow [2023-11-26 11:59:07,118 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 74 places, 71 transitions, 145 flow [2023-11-26 11:59:07,129 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:59:07,136 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7a90e463, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:59:07,136 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-26 11:59:07,150 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:59:07,150 INFO L124 PetriNetUnfolderBase]: 1/34 cut-off events. [2023-11-26 11:59:07,150 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:59:07,150 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:59:07,151 INFO L208 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] [2023-11-26 11:59:07,152 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-26 11:59:07,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:07,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1813377467, now seen corresponding path program 1 times [2023-11-26 11:59:07,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:07,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683646269] [2023-11-26 11:59:07,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:07,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:08,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:59:08,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:08,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683646269] [2023-11-26 11:59:08,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683646269] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:08,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:08,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:59:08,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753428026] [2023-11-26 11:59:08,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:08,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:59:08,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:08,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:59:08,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:59:08,369 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 72 [2023-11-26 11:59:08,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 71 transitions, 145 flow. Second operand has 6 states, 6 states have (on average 56.166666666666664) internal successors, (337), 6 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:08,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:59:08,373 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 72 [2023-11-26 11:59:08,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:59:08,501 INFO L124 PetriNetUnfolderBase]: 59/326 cut-off events. [2023-11-26 11:59:08,502 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 11:59:08,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 326 events. 59/326 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1575 event pairs, 23 based on Foata normal form. 0/309 useless extension candidates. Maximal degree in co-relation 440. Up to 110 conditions per place. [2023-11-26 11:59:08,508 INFO L140 encePairwiseOnDemand]: 61/72 looper letters, 16 selfloop transitions, 22 changer transitions 0/92 dead transitions. [2023-11-26 11:59:08,509 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 92 transitions, 263 flow [2023-11-26 11:59:08,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:59:08,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:59:08,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 369 transitions. [2023-11-26 11:59:08,525 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8541666666666666 [2023-11-26 11:59:08,526 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 369 transitions. [2023-11-26 11:59:08,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 369 transitions. [2023-11-26 11:59:08,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:08,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 369 transitions. [2023-11-26 11:59:08,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 61.5) internal successors, (369), 6 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:08,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 72.0) internal successors, (504), 7 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:08,543 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 72.0) internal successors, (504), 7 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:08,545 INFO L175 Difference]: Start difference. First operand has 74 places, 71 transitions, 145 flow. Second operand 6 states and 369 transitions. [2023-11-26 11:59:08,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 92 transitions, 263 flow [2023-11-26 11:59:08,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 92 transitions, 262 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:59:08,553 INFO L231 Difference]: Finished difference. Result has 83 places, 92 transitions, 294 flow [2023-11-26 11:59:08,556 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=294, PETRI_PLACES=83, PETRI_TRANSITIONS=92} [2023-11-26 11:59:08,560 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 9 predicate places. [2023-11-26 11:59:08,560 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 92 transitions, 294 flow [2023-11-26 11:59:08,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 56.166666666666664) internal successors, (337), 6 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:08,561 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:59:08,561 INFO L208 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] [2023-11-26 11:59:08,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:59:08,562 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-26 11:59:08,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:08,563 INFO L85 PathProgramCache]: Analyzing trace with hash 295838004, now seen corresponding path program 1 times [2023-11-26 11:59:08,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:08,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161095657] [2023-11-26 11:59:08,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:08,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:08,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:59:08,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:08,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161095657] [2023-11-26 11:59:08,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161095657] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:08,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:08,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:59:08,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454991706] [2023-11-26 11:59:08,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:08,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:59:08,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:08,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:59:08,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:59:09,207 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 72 [2023-11-26 11:59:09,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 92 transitions, 294 flow. Second operand has 6 states, 6 states have (on average 52.5) internal successors, (315), 6 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:09,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:59:09,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 72 [2023-11-26 11:59:09,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:59:09,371 INFO L124 PetriNetUnfolderBase]: 97/448 cut-off events. [2023-11-26 11:59:09,371 INFO L125 PetriNetUnfolderBase]: For 117/127 co-relation queries the response was YES. [2023-11-26 11:59:09,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 833 conditions, 448 events. 97/448 cut-off events. For 117/127 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2409 event pairs, 24 based on Foata normal form. 0/429 useless extension candidates. Maximal degree in co-relation 797. Up to 173 conditions per place. [2023-11-26 11:59:09,380 INFO L140 encePairwiseOnDemand]: 61/72 looper letters, 33 selfloop transitions, 26 changer transitions 0/113 dead transitions. [2023-11-26 11:59:09,380 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 113 transitions, 472 flow [2023-11-26 11:59:09,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:59:09,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:59:09,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 349 transitions. [2023-11-26 11:59:09,386 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8078703703703703 [2023-11-26 11:59:09,386 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 349 transitions. [2023-11-26 11:59:09,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 349 transitions. [2023-11-26 11:59:09,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:09,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 349 transitions. [2023-11-26 11:59:09,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 58.166666666666664) internal successors, (349), 6 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:09,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 72.0) internal successors, (504), 7 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:09,393 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 72.0) internal successors, (504), 7 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:09,393 INFO L175 Difference]: Start difference. First operand has 83 places, 92 transitions, 294 flow. Second operand 6 states and 349 transitions. [2023-11-26 11:59:09,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 113 transitions, 472 flow [2023-11-26 11:59:09,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 113 transitions, 472 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:59:09,404 INFO L231 Difference]: Finished difference. Result has 93 places, 113 transitions, 478 flow [2023-11-26 11:59:09,405 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=478, PETRI_PLACES=93, PETRI_TRANSITIONS=113} [2023-11-26 11:59:09,405 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 19 predicate places. [2023-11-26 11:59:09,406 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 113 transitions, 478 flow [2023-11-26 11:59:09,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 52.5) internal successors, (315), 6 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:09,406 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:59:09,407 INFO L208 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] [2023-11-26 11:59:09,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:59:09,407 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-26 11:59:09,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:09,410 INFO L85 PathProgramCache]: Analyzing trace with hash 2118959631, now seen corresponding path program 1 times [2023-11-26 11:59:09,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:09,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281175434] [2023-11-26 11:59:09,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:09,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:09,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:59:09,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:09,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281175434] [2023-11-26 11:59:09,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281175434] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:09,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:09,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:59:09,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615329953] [2023-11-26 11:59:09,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:09,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:59:09,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:09,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:59:09,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:59:09,933 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 72 [2023-11-26 11:59:09,934 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 113 transitions, 478 flow. Second operand has 6 states, 6 states have (on average 51.166666666666664) internal successors, (307), 6 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:09,934 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:59:09,934 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 72 [2023-11-26 11:59:09,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:59:10,221 INFO L124 PetriNetUnfolderBase]: 197/724 cut-off events. [2023-11-26 11:59:10,222 INFO L125 PetriNetUnfolderBase]: For 453/467 co-relation queries the response was YES. [2023-11-26 11:59:10,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1758 conditions, 724 events. 197/724 cut-off events. For 453/467 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 4223 event pairs, 35 based on Foata normal form. 1/689 useless extension candidates. Maximal degree in co-relation 1720. Up to 352 conditions per place. [2023-11-26 11:59:10,233 INFO L140 encePairwiseOnDemand]: 57/72 looper letters, 58 selfloop transitions, 53 changer transitions 0/160 dead transitions. [2023-11-26 11:59:10,233 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 160 transitions, 928 flow [2023-11-26 11:59:10,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:59:10,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:59:10,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 355 transitions. [2023-11-26 11:59:10,236 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8217592592592593 [2023-11-26 11:59:10,236 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 355 transitions. [2023-11-26 11:59:10,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 355 transitions. [2023-11-26 11:59:10,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:10,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 355 transitions. [2023-11-26 11:59:10,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 59.166666666666664) internal successors, (355), 6 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:10,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 72.0) internal successors, (504), 7 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:10,241 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 72.0) internal successors, (504), 7 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:10,241 INFO L175 Difference]: Start difference. First operand has 93 places, 113 transitions, 478 flow. Second operand 6 states and 355 transitions. [2023-11-26 11:59:10,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 160 transitions, 928 flow [2023-11-26 11:59:10,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 160 transitions, 928 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:59:10,257 INFO L231 Difference]: Finished difference. Result has 103 places, 160 transitions, 960 flow [2023-11-26 11:59:10,258 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=960, PETRI_PLACES=103, PETRI_TRANSITIONS=160} [2023-11-26 11:59:10,259 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 29 predicate places. [2023-11-26 11:59:10,260 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 160 transitions, 960 flow [2023-11-26 11:59:10,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 51.166666666666664) internal successors, (307), 6 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:10,260 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:59:10,261 INFO L208 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] [2023-11-26 11:59:10,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:59:10,261 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-26 11:59:10,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:10,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1462774556, now seen corresponding path program 1 times [2023-11-26 11:59:10,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:10,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237954219] [2023-11-26 11:59:10,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:10,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:10,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:59:10,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:10,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237954219] [2023-11-26 11:59:10,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237954219] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:10,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:10,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:59:10,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934197471] [2023-11-26 11:59:10,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:10,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:59:10,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:10,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:59:10,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:59:10,679 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 72 [2023-11-26 11:59:10,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 160 transitions, 960 flow. Second operand has 6 states, 6 states have (on average 47.5) internal successors, (285), 6 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:10,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:59:10,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 72 [2023-11-26 11:59:10,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:59:10,960 INFO L124 PetriNetUnfolderBase]: 308/991 cut-off events. [2023-11-26 11:59:10,961 INFO L125 PetriNetUnfolderBase]: For 1324/1356 co-relation queries the response was YES. [2023-11-26 11:59:10,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3007 conditions, 991 events. 308/991 cut-off events. For 1324/1356 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 6296 event pairs, 49 based on Foata normal form. 3/964 useless extension candidates. Maximal degree in co-relation 2961. Up to 515 conditions per place. [2023-11-26 11:59:10,972 INFO L140 encePairwiseOnDemand]: 57/72 looper letters, 99 selfloop transitions, 61 changer transitions 6/213 dead transitions. [2023-11-26 11:59:10,972 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 213 transitions, 1622 flow [2023-11-26 11:59:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:59:10,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:59:10,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 335 transitions. [2023-11-26 11:59:10,974 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7754629629629629 [2023-11-26 11:59:10,975 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 335 transitions. [2023-11-26 11:59:10,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 335 transitions. [2023-11-26 11:59:10,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:10,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 335 transitions. [2023-11-26 11:59:10,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 55.833333333333336) internal successors, (335), 6 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:10,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 72.0) internal successors, (504), 7 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:10,979 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 72.0) internal successors, (504), 7 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:10,980 INFO L175 Difference]: Start difference. First operand has 103 places, 160 transitions, 960 flow. Second operand 6 states and 335 transitions. [2023-11-26 11:59:10,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 213 transitions, 1622 flow [2023-11-26 11:59:10,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 213 transitions, 1558 flow, removed 32 selfloop flow, removed 0 redundant places. [2023-11-26 11:59:11,002 INFO L231 Difference]: Finished difference. Result has 113 places, 207 transitions, 1482 flow [2023-11-26 11:59:11,002 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=902, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1482, PETRI_PLACES=113, PETRI_TRANSITIONS=207} [2023-11-26 11:59:11,004 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 39 predicate places. [2023-11-26 11:59:11,005 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 207 transitions, 1482 flow [2023-11-26 11:59:11,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 47.5) internal successors, (285), 6 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:11,005 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:59:11,005 INFO L208 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] [2023-11-26 11:59:11,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:59:11,006 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-26 11:59:11,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:11,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1227792816, now seen corresponding path program 1 times [2023-11-26 11:59:11,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:11,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938113464] [2023-11-26 11:59:11,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:11,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:11,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:59:11,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:11,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938113464] [2023-11-26 11:59:11,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938113464] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:11,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:11,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 11:59:11,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762653136] [2023-11-26 11:59:11,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:11,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 11:59:11,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:11,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 11:59:11,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-11-26 11:59:12,292 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 72 [2023-11-26 11:59:12,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 207 transitions, 1482 flow. Second operand has 8 states, 8 states have (on average 51.375) internal successors, (411), 8 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:12,293 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:59:12,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 72 [2023-11-26 11:59:12,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:59:12,708 INFO L124 PetriNetUnfolderBase]: 506/1691 cut-off events. [2023-11-26 11:59:12,708 INFO L125 PetriNetUnfolderBase]: For 3721/3872 co-relation queries the response was YES. [2023-11-26 11:59:12,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5826 conditions, 1691 events. 506/1691 cut-off events. For 3721/3872 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 13151 event pairs, 23 based on Foata normal form. 46/1729 useless extension candidates. Maximal degree in co-relation 3515. Up to 408 conditions per place. [2023-11-26 11:59:12,728 INFO L140 encePairwiseOnDemand]: 59/72 looper letters, 225 selfloop transitions, 57 changer transitions 3/360 dead transitions. [2023-11-26 11:59:12,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 360 transitions, 3422 flow [2023-11-26 11:59:12,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 11:59:12,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-26 11:59:12,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 460 transitions. [2023-11-26 11:59:12,734 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7986111111111112 [2023-11-26 11:59:12,734 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 460 transitions. [2023-11-26 11:59:12,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 460 transitions. [2023-11-26 11:59:12,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:12,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 460 transitions. [2023-11-26 11:59:12,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 57.5) internal successors, (460), 8 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:12,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 72.0) internal successors, (648), 9 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:12,743 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 72.0) internal successors, (648), 9 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:12,743 INFO L175 Difference]: Start difference. First operand has 113 places, 207 transitions, 1482 flow. Second operand 8 states and 460 transitions. [2023-11-26 11:59:12,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 360 transitions, 3422 flow [2023-11-26 11:59:12,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 360 transitions, 3304 flow, removed 59 selfloop flow, removed 0 redundant places. [2023-11-26 11:59:12,793 INFO L231 Difference]: Finished difference. Result has 127 places, 254 transitions, 2160 flow [2023-11-26 11:59:12,794 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=1414, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2160, PETRI_PLACES=127, PETRI_TRANSITIONS=254} [2023-11-26 11:59:12,796 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 53 predicate places. [2023-11-26 11:59:12,797 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 254 transitions, 2160 flow [2023-11-26 11:59:12,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 51.375) internal successors, (411), 8 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:12,797 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:59:12,797 INFO L208 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] [2023-11-26 11:59:12,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:59:12,799 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-26 11:59:12,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:12,801 INFO L85 PathProgramCache]: Analyzing trace with hash 556776784, now seen corresponding path program 1 times [2023-11-26 11:59:12,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:12,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743954838] [2023-11-26 11:59:12,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:12,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:59:13,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:13,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743954838] [2023-11-26 11:59:13,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743954838] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:13,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:13,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 11:59:13,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892046173] [2023-11-26 11:59:13,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:13,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 11:59:13,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:13,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 11:59:13,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-11-26 11:59:13,690 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 72 [2023-11-26 11:59:13,691 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 254 transitions, 2160 flow. Second operand has 8 states, 8 states have (on average 51.375) internal successors, (411), 8 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:13,691 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:59:13,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 72 [2023-11-26 11:59:13,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:59:14,191 INFO L124 PetriNetUnfolderBase]: 527/1723 cut-off events. [2023-11-26 11:59:14,191 INFO L125 PetriNetUnfolderBase]: For 5184/5330 co-relation queries the response was YES. [2023-11-26 11:59:14,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6272 conditions, 1723 events. 527/1723 cut-off events. For 5184/5330 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 13350 event pairs, 22 based on Foata normal form. 46/1756 useless extension candidates. Maximal degree in co-relation 3811. Up to 429 conditions per place. [2023-11-26 11:59:14,215 INFO L140 encePairwiseOnDemand]: 59/72 looper letters, 228 selfloop transitions, 64 changer transitions 5/397 dead transitions. [2023-11-26 11:59:14,215 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 397 transitions, 3916 flow [2023-11-26 11:59:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 11:59:14,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-26 11:59:14,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2023-11-26 11:59:14,219 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8107638888888888 [2023-11-26 11:59:14,219 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2023-11-26 11:59:14,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2023-11-26 11:59:14,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:14,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2023-11-26 11:59:14,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:14,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 72.0) internal successors, (648), 9 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:14,226 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 72.0) internal successors, (648), 9 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:14,226 INFO L175 Difference]: Start difference. First operand has 127 places, 254 transitions, 2160 flow. Second operand 8 states and 467 transitions. [2023-11-26 11:59:14,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 397 transitions, 3916 flow [2023-11-26 11:59:14,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 397 transitions, 3916 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:59:14,291 INFO L231 Difference]: Finished difference. Result has 141 places, 306 transitions, 2986 flow [2023-11-26 11:59:14,291 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=2160, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2986, PETRI_PLACES=141, PETRI_TRANSITIONS=306} [2023-11-26 11:59:14,292 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 67 predicate places. [2023-11-26 11:59:14,292 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 306 transitions, 2986 flow [2023-11-26 11:59:14,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 51.375) internal successors, (411), 8 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:14,293 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:59:14,293 INFO L208 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] [2023-11-26 11:59:14,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:59:14,294 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-26 11:59:14,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:14,294 INFO L85 PathProgramCache]: Analyzing trace with hash 564514041, now seen corresponding path program 1 times [2023-11-26 11:59:14,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:14,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152448814] [2023-11-26 11:59:14,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:14,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:14,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:59:14,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:14,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152448814] [2023-11-26 11:59:14,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152448814] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:14,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:14,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 11:59:14,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790004541] [2023-11-26 11:59:14,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:14,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-26 11:59:14,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:14,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 11:59:14,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-26 11:59:15,090 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 72 [2023-11-26 11:59:15,091 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 306 transitions, 2986 flow. Second operand has 9 states, 9 states have (on average 45.888888888888886) internal successors, (413), 9 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:15,091 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:59:15,091 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 72 [2023-11-26 11:59:15,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:59:15,925 INFO L124 PetriNetUnfolderBase]: 639/1990 cut-off events. [2023-11-26 11:59:15,925 INFO L125 PetriNetUnfolderBase]: For 7287/7370 co-relation queries the response was YES. [2023-11-26 11:59:15,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8105 conditions, 1990 events. 639/1990 cut-off events. For 7287/7370 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 15328 event pairs, 84 based on Foata normal form. 30/1994 useless extension candidates. Maximal degree in co-relation 5106. Up to 609 conditions per place. [2023-11-26 11:59:15,952 INFO L140 encePairwiseOnDemand]: 54/72 looper letters, 258 selfloop transitions, 88 changer transitions 15/409 dead transitions. [2023-11-26 11:59:15,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 409 transitions, 4488 flow [2023-11-26 11:59:15,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 11:59:15,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-26 11:59:15,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 594 transitions. [2023-11-26 11:59:15,955 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.75 [2023-11-26 11:59:15,956 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 594 transitions. [2023-11-26 11:59:15,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 594 transitions. [2023-11-26 11:59:15,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:15,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 594 transitions. [2023-11-26 11:59:15,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.0) internal successors, (594), 11 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:15,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 72.0) internal successors, (864), 12 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:15,961 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 72.0) internal successors, (864), 12 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:15,961 INFO L175 Difference]: Start difference. First operand has 141 places, 306 transitions, 2986 flow. Second operand 11 states and 594 transitions. [2023-11-26 11:59:15,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 409 transitions, 4488 flow [2023-11-26 11:59:16,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 409 transitions, 4482 flow, removed 3 selfloop flow, removed 0 redundant places. [2023-11-26 11:59:16,028 INFO L231 Difference]: Finished difference. Result has 159 places, 346 transitions, 3648 flow [2023-11-26 11:59:16,029 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=2980, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3648, PETRI_PLACES=159, PETRI_TRANSITIONS=346} [2023-11-26 11:59:16,029 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 85 predicate places. [2023-11-26 11:59:16,030 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 346 transitions, 3648 flow [2023-11-26 11:59:16,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 45.888888888888886) internal successors, (413), 9 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:16,030 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:59:16,031 INFO L208 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] [2023-11-26 11:59:16,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:59:16,031 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-26 11:59:16,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:16,032 INFO L85 PathProgramCache]: Analyzing trace with hash 198105557, now seen corresponding path program 2 times [2023-11-26 11:59:16,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:16,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530783688] [2023-11-26 11:59:16,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:16,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:16,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:59:16,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:16,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530783688] [2023-11-26 11:59:16,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530783688] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:16,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:16,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 11:59:16,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797279204] [2023-11-26 11:59:16,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:16,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-26 11:59:16,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:16,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 11:59:16,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-26 11:59:16,828 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 72 [2023-11-26 11:59:16,829 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 346 transitions, 3648 flow. Second operand has 9 states, 9 states have (on average 45.888888888888886) internal successors, (413), 9 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:16,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:59:16,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 72 [2023-11-26 11:59:16,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:59:17,702 INFO L124 PetriNetUnfolderBase]: 624/1967 cut-off events. [2023-11-26 11:59:17,702 INFO L125 PetriNetUnfolderBase]: For 8936/9016 co-relation queries the response was YES. [2023-11-26 11:59:17,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8731 conditions, 1967 events. 624/1967 cut-off events. For 8936/9016 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 15194 event pairs, 84 based on Foata normal form. 31/1972 useless extension candidates. Maximal degree in co-relation 7709. Up to 606 conditions per place. [2023-11-26 11:59:17,735 INFO L140 encePairwiseOnDemand]: 54/72 looper letters, 260 selfloop transitions, 90 changer transitions 2/400 dead transitions. [2023-11-26 11:59:17,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 400 transitions, 4764 flow [2023-11-26 11:59:17,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 11:59:17,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-26 11:59:17,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 496 transitions. [2023-11-26 11:59:17,738 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7654320987654321 [2023-11-26 11:59:17,739 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 496 transitions. [2023-11-26 11:59:17,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 496 transitions. [2023-11-26 11:59:17,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:17,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 496 transitions. [2023-11-26 11:59:17,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 55.111111111111114) internal successors, (496), 9 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:17,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 72.0) internal successors, (720), 10 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:17,744 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 72.0) internal successors, (720), 10 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:17,744 INFO L175 Difference]: Start difference. First operand has 159 places, 346 transitions, 3648 flow. Second operand 9 states and 496 transitions. [2023-11-26 11:59:17,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 400 transitions, 4764 flow [2023-11-26 11:59:17,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 400 transitions, 4721 flow, removed 21 selfloop flow, removed 3 redundant places. [2023-11-26 11:59:17,847 INFO L231 Difference]: Finished difference. Result has 164 places, 352 transitions, 3900 flow [2023-11-26 11:59:17,848 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=3609, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3900, PETRI_PLACES=164, PETRI_TRANSITIONS=352} [2023-11-26 11:59:17,851 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 90 predicate places. [2023-11-26 11:59:17,851 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 352 transitions, 3900 flow [2023-11-26 11:59:17,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 45.888888888888886) internal successors, (413), 9 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:17,852 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:59:17,852 INFO L208 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] [2023-11-26 11:59:17,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:59:17,853 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-26 11:59:17,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:17,854 INFO L85 PathProgramCache]: Analyzing trace with hash 598149113, now seen corresponding path program 3 times [2023-11-26 11:59:17,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:17,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746031341] [2023-11-26 11:59:17,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:17,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:18,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:59:18,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:18,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746031341] [2023-11-26 11:59:18,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746031341] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:18,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:18,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 11:59:18,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142607472] [2023-11-26 11:59:18,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:18,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-26 11:59:18,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:18,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 11:59:18,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-26 11:59:18,806 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 72 [2023-11-26 11:59:18,806 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 352 transitions, 3900 flow. Second operand has 9 states, 9 states have (on average 45.888888888888886) internal successors, (413), 9 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:18,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:59:18,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 72 [2023-11-26 11:59:18,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:59:19,661 INFO L124 PetriNetUnfolderBase]: 618/1944 cut-off events. [2023-11-26 11:59:19,661 INFO L125 PetriNetUnfolderBase]: For 9863/9943 co-relation queries the response was YES. [2023-11-26 11:59:19,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8963 conditions, 1944 events. 618/1944 cut-off events. For 9863/9943 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 14951 event pairs, 88 based on Foata normal form. 31/1949 useless extension candidates. Maximal degree in co-relation 7873. Up to 605 conditions per place. [2023-11-26 11:59:19,693 INFO L140 encePairwiseOnDemand]: 55/72 looper letters, 262 selfloop transitions, 89 changer transitions 1/400 dead transitions. [2023-11-26 11:59:19,693 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 400 transitions, 4972 flow [2023-11-26 11:59:19,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 11:59:19,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-26 11:59:19,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 494 transitions. [2023-11-26 11:59:19,696 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7623456790123457 [2023-11-26 11:59:19,696 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 494 transitions. [2023-11-26 11:59:19,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 494 transitions. [2023-11-26 11:59:19,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:19,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 494 transitions. [2023-11-26 11:59:19,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 54.888888888888886) internal successors, (494), 9 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:19,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 72.0) internal successors, (720), 10 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:19,701 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 72.0) internal successors, (720), 10 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:19,701 INFO L175 Difference]: Start difference. First operand has 164 places, 352 transitions, 3900 flow. Second operand 9 states and 494 transitions. [2023-11-26 11:59:19,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 400 transitions, 4972 flow [2023-11-26 11:59:19,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 400 transitions, 4819 flow, removed 8 selfloop flow, removed 6 redundant places. [2023-11-26 11:59:19,805 INFO L231 Difference]: Finished difference. Result has 167 places, 354 transitions, 3980 flow [2023-11-26 11:59:19,806 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=3753, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3980, PETRI_PLACES=167, PETRI_TRANSITIONS=354} [2023-11-26 11:59:19,806 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 93 predicate places. [2023-11-26 11:59:19,806 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 354 transitions, 3980 flow [2023-11-26 11:59:19,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 45.888888888888886) internal successors, (413), 9 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:19,807 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:59:19,807 INFO L208 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] [2023-11-26 11:59:19,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 11:59:19,808 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-26 11:59:19,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:19,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1635685487, now seen corresponding path program 1 times [2023-11-26 11:59:19,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:19,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002802894] [2023-11-26 11:59:19,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:19,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:20,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:59:20,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:20,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002802894] [2023-11-26 11:59:20,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002802894] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:20,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:20,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 11:59:20,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029765898] [2023-11-26 11:59:20,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:20,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 11:59:20,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:20,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 11:59:20,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-26 11:59:20,573 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 72 [2023-11-26 11:59:20,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 354 transitions, 3980 flow. Second operand has 8 states, 8 states have (on average 46.125) internal successors, (369), 8 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:20,574 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:59:20,574 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 72 [2023-11-26 11:59:20,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:59:21,258 INFO L124 PetriNetUnfolderBase]: 581/1866 cut-off events. [2023-11-26 11:59:21,258 INFO L125 PetriNetUnfolderBase]: For 9871/9977 co-relation queries the response was YES. [2023-11-26 11:59:21,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8762 conditions, 1866 events. 581/1866 cut-off events. For 9871/9977 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 14294 event pairs, 75 based on Foata normal form. 41/1892 useless extension candidates. Maximal degree in co-relation 7786. Up to 588 conditions per place. [2023-11-26 11:59:21,288 INFO L140 encePairwiseOnDemand]: 55/72 looper letters, 333 selfloop transitions, 75 changer transitions 4/465 dead transitions. [2023-11-26 11:59:21,289 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 465 transitions, 6006 flow [2023-11-26 11:59:21,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 11:59:21,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-26 11:59:21,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 444 transitions. [2023-11-26 11:59:21,291 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7708333333333334 [2023-11-26 11:59:21,292 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 444 transitions. [2023-11-26 11:59:21,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 444 transitions. [2023-11-26 11:59:21,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:21,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 444 transitions. [2023-11-26 11:59:21,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 55.5) internal successors, (444), 8 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:21,295 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 72.0) internal successors, (648), 9 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:21,304 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 72.0) internal successors, (648), 9 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:21,305 INFO L175 Difference]: Start difference. First operand has 167 places, 354 transitions, 3980 flow. Second operand 8 states and 444 transitions. [2023-11-26 11:59:21,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 465 transitions, 6006 flow [2023-11-26 11:59:21,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 465 transitions, 5813 flow, removed 1 selfloop flow, removed 7 redundant places. [2023-11-26 11:59:21,415 INFO L231 Difference]: Finished difference. Result has 173 places, 382 transitions, 4378 flow [2023-11-26 11:59:21,416 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=3819, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4378, PETRI_PLACES=173, PETRI_TRANSITIONS=382} [2023-11-26 11:59:21,417 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 99 predicate places. [2023-11-26 11:59:21,417 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 382 transitions, 4378 flow [2023-11-26 11:59:21,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 46.125) internal successors, (369), 8 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:21,418 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:59:21,418 INFO L208 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] [2023-11-26 11:59:21,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 11:59:21,418 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-26 11:59:21,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:21,419 INFO L85 PathProgramCache]: Analyzing trace with hash -123961333, now seen corresponding path program 1 times [2023-11-26 11:59:21,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:21,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096676400] [2023-11-26 11:59:21,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:21,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:21,450 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:21,487 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:21,488 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:59:21,489 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-11-26 11:59:21,491 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-11-26 11:59:21,491 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-11-26 11:59:21,491 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2023-11-26 11:59:21,491 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-11-26 11:59:21,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-11-26 11:59:21,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-11-26 11:59:21,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 11:59:21,492 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:59:21,499 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 11:59:21,499 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:59:21,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated [2023-11-26 11:59:21,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated [2023-11-26 11:59:21,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 11:59:21,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 11:59:21,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 11:59:21,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 11:59:21,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 11:59:21,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated [2023-11-26 11:59:21,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post31 could not be translated [2023-11-26 11:59:21,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated [2023-11-26 11:59:21,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 11:59:21,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post31 could not be translated [2023-11-26 11:59:21,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:59:21 BasicIcfg [2023-11-26 11:59:21,538 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:59:21,539 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:59:21,539 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:59:21,539 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:59:21,540 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:06" (3/4) ... [2023-11-26 11:59:21,541 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:59:21,542 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:59:21,543 INFO L158 Benchmark]: Toolchain (without parser) took 16128.07ms. Allocated memory was 148.9MB in the beginning and 337.6MB in the end (delta: 188.7MB). Free memory was 117.6MB in the beginning and 227.7MB in the end (delta: -110.1MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. [2023-11-26 11:59:21,543 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 148.9MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:59:21,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 881.68ms. Allocated memory is still 148.9MB. Free memory was 117.4MB in the beginning and 104.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 11:59:21,544 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.86ms. Allocated memory is still 148.9MB. Free memory was 104.2MB in the beginning and 102.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:59:21,545 INFO L158 Benchmark]: Boogie Preprocessor took 64.65ms. Allocated memory is still 148.9MB. Free memory was 102.0MB in the beginning and 100.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:59:21,545 INFO L158 Benchmark]: RCFGBuilder took 455.03ms. Allocated memory is still 148.9MB. Free memory was 100.0MB in the beginning and 85.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 11:59:21,545 INFO L158 Benchmark]: TraceAbstraction took 14633.58ms. Allocated memory was 148.9MB in the beginning and 337.6MB in the end (delta: 188.7MB). Free memory was 84.7MB in the beginning and 227.7MB in the end (delta: -143.1MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2023-11-26 11:59:21,546 INFO L158 Benchmark]: Witness Printer took 3.79ms. Allocated memory is still 337.6MB. Free memory is still 227.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:59:21,548 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 148.9MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 881.68ms. Allocated memory is still 148.9MB. Free memory was 117.4MB in the beginning and 104.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.86ms. Allocated memory is still 148.9MB. Free memory was 104.2MB in the beginning and 102.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.65ms. Allocated memory is still 148.9MB. Free memory was 102.0MB in the beginning and 100.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 455.03ms. Allocated memory is still 148.9MB. Free memory was 100.0MB in the beginning and 85.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 14633.58ms. Allocated memory was 148.9MB in the beginning and 337.6MB in the end (delta: 188.7MB). Free memory was 84.7MB in the beginning and 227.7MB in the end (delta: -143.1MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Witness Printer took 3.79ms. Allocated memory is still 337.6MB. Free memory is still 227.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post31 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 932]: Data race detected [2023-11-26 11:59:21,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated [2023-11-26 11:59:21,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated [2023-11-26 11:59:21,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 11:59:21,566 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,566 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 11:59:21,566 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,566 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 11:59:21,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 11:59:21,568 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,568 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,568 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 11:59:21,568 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,569 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated [2023-11-26 11:59:21,569 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post31 could not be translated [2023-11-26 11:59:21,569 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,569 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated [2023-11-26 11:59:21,569 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 11:59:21,569 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post31 could not be translated [2023-11-26 11:59:21,577 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated [2023-11-26 11:59:21,578 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated [2023-11-26 11:59:21,578 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,579 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,579 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 11:59:21,579 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,579 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 11:59:21,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 11:59:21,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,581 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,581 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 11:59:21,581 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,581 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,582 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 11:59:21,582 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,582 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated [2023-11-26 11:59:21,582 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post31 could not be translated [2023-11-26 11:59:21,582 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-26 11:59:21,583 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated [2023-11-26 11:59:21,583 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 11:59:21,583 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post31 could not be translated Data race detected The following path leads to a data race: [L918-L921] 0 struct { int x; int y; } data; VAL [data={1:0}] [L927] 0 int *i,j = __VERIFIER_nondet_int(); VAL [data={1:0}] [L927] 0 int *i,j = __VERIFIER_nondet_int(); VAL [data={1:0}, j=1] [L928] 0 pthread_t id; VAL [data={1:0}, id={5:0}, j=1] [L929] COND TRUE 0 \read(j) VAL [data={1:0}, id={5:0}, j=1] [L929] 0 i = &data.x VAL [data={1:0}, i={1:0}, id={5:0}, j=1] [L931] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] [L923] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}] [L932] EXPR 0 \read(*i) VAL [arg={0:0}, arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] [L932] 0 (*i)++ VAL [arg={0:0}, arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L932] 0 (*i)++ VAL [arg={0:0}, arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L932] 0 (*i)++ VAL [arg={0:0}, arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L932] 0 (*i)++ VAL [arg={0:0}, arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L932] 0 (*i)++ VAL [arg={0:0}, arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] Now there is a data race (on the heap) between C: data.x++ [923] and C: (*i)++ [932] - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 931]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 96 locations, 7 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: 14.4s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1133 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 820 mSDsluCounter, 132 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 65 mSDsCounter, 295 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3184 IncrementalHoareTripleChecker+Invalid, 3479 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 295 mSolverCounterUnsat, 67 mSDtfsCounter, 3184 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 15 SyntacticMatches, 4 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4378occurred in iteration=10, InterpolantAutomatonStates: 77, 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, 5.1s InterpolantComputationTime, 399 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 350 ConstructedInterpolants, 0 QuantifiedInterpolants, 3881 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 RESULT: Ultimate proved your program to be incorrect! [2023-11-26 11:59:21,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29475265-e557-4494-935a-29afc48861a8/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE