./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb76cb0-0e8c-4b3c-a624-ca8384cc5a40/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb76cb0-0e8c-4b3c-a624-ca8384cc5a40/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb76cb0-0e8c-4b3c-a624-ca8384cc5a40/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb76cb0-0e8c-4b3c-a624-ca8384cc5a40/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb76cb0-0e8c-4b3c-a624-ca8384cc5a40/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb76cb0-0e8c-4b3c-a624-ca8384cc5a40/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:49:09,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:49:09,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb76cb0-0e8c-4b3c-a624-ca8384cc5a40/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:49:09,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:49:09,595 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:49:09,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:49:09,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:49:09,641 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:49:09,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:49:09,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:49:09,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:49:09,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:49:09,651 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:49:09,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:49:09,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:49:09,654 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:49:09,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:49:09,655 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:49:09,656 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:49:09,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:49:09,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:49:09,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:49:09,658 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:49:09,658 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:49:09,658 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:49:09,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:49:09,659 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:49:09,660 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:49:09,661 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:49:09,661 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:49:09,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:49:09,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:49:09,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:49:09,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:49:09,664 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:49:09,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:49:09,664 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:49:09,664 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:49:09,665 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:49:09,665 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:49:09,665 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:49:09,666 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_1fb76cb0-0e8c-4b3c-a624-ca8384cc5a40/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb76cb0-0e8c-4b3c-a624-ca8384cc5a40/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf [2023-11-19 07:49:09,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:49:10,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:49:10,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:49:10,030 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:49:10,031 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:49:10,032 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb76cb0-0e8c-4b3c-a624-ca8384cc5a40/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i [2023-11-19 07:49:13,308 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:49:13,597 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:49:13,597 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb76cb0-0e8c-4b3c-a624-ca8384cc5a40/sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i [2023-11-19 07:49:13,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb76cb0-0e8c-4b3c-a624-ca8384cc5a40/bin/uautomizer-verify-uCwYo4JHxu/data/a8c63e1f2/cae22c9582ac4ba5adf8fd1627ca51e0/FLAGe9dc2889b [2023-11-19 07:49:13,639 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb76cb0-0e8c-4b3c-a624-ca8384cc5a40/bin/uautomizer-verify-uCwYo4JHxu/data/a8c63e1f2/cae22c9582ac4ba5adf8fd1627ca51e0 [2023-11-19 07:49:13,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:49:13,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:49:13,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:49:13,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:49:13,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:49:13,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:13" (1/1) ... [2023-11-19 07:49:13,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320d42e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:13, skipping insertion in model container [2023-11-19 07:49:13,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:13" (1/1) ... [2023-11-19 07:49:13,732 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:49:14,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:49:14,184 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:49:14,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:49:14,310 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:49:14,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:14 WrapperNode [2023-11-19 07:49:14,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:49:14,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:49:14,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:49:14,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:49:14,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:14" (1/1) ... [2023-11-19 07:49:14,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:14" (1/1) ... [2023-11-19 07:49:14,393 INFO L138 Inliner]: procedures = 162, calls = 47, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 114 [2023-11-19 07:49:14,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:49:14,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:49:14,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:49:14,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:49:14,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:14" (1/1) ... [2023-11-19 07:49:14,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:14" (1/1) ... [2023-11-19 07:49:14,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:14" (1/1) ... [2023-11-19 07:49:14,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:14" (1/1) ... [2023-11-19 07:49:14,431 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:14" (1/1) ... [2023-11-19 07:49:14,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:14" (1/1) ... [2023-11-19 07:49:14,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:14" (1/1) ... [2023-11-19 07:49:14,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:14" (1/1) ... [2023-11-19 07:49:14,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:49:14,469 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:49:14,470 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:49:14,470 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:49:14,471 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:14" (1/1) ... [2023-11-19 07:49:14,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:49:14,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb76cb0-0e8c-4b3c-a624-ca8384cc5a40/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:49:14,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb76cb0-0e8c-4b3c-a624-ca8384cc5a40/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:49:14,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb76cb0-0e8c-4b3c-a624-ca8384cc5a40/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:49:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:49:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:49:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 07:49:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:49:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:49:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-19 07:49:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-19 07:49:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:49:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:49:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:49:14,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:49:14,561 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:49:14,749 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:49:14,751 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:49:15,161 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:49:15,175 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:49:15,175 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:49:15,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:15 BoogieIcfgContainer [2023-11-19 07:49:15,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:49:15,184 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:49:15,184 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:49:15,188 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:49:15,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:49:13" (1/3) ... [2023-11-19 07:49:15,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c283cf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:15, skipping insertion in model container [2023-11-19 07:49:15,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:14" (2/3) ... [2023-11-19 07:49:15,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c283cf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:15, skipping insertion in model container [2023-11-19 07:49:15,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:15" (3/3) ... [2023-11-19 07:49:15,193 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_24-multiple-protecting_true.i [2023-11-19 07:49:15,202 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:49:15,214 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:49:15,214 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2023-11-19 07:49:15,214 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:49:15,310 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-19 07:49:15,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 201 places, 205 transitions, 417 flow [2023-11-19 07:49:15,510 INFO L124 PetriNetUnfolderBase]: 8/204 cut-off events. [2023-11-19 07:49:15,511 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 07:49:15,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 204 events. 8/204 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 278 event pairs, 0 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 160. Up to 2 conditions per place. [2023-11-19 07:49:15,524 INFO L82 GeneralOperation]: Start removeDead. Operand has 201 places, 205 transitions, 417 flow [2023-11-19 07:49:15,537 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 192 places, 196 transitions, 395 flow [2023-11-19 07:49:15,546 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:49:15,561 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 192 places, 196 transitions, 395 flow [2023-11-19 07:49:15,577 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 192 places, 196 transitions, 395 flow [2023-11-19 07:49:15,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 192 places, 196 transitions, 395 flow [2023-11-19 07:49:15,647 INFO L124 PetriNetUnfolderBase]: 8/196 cut-off events. [2023-11-19 07:49:15,649 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:49:15,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 196 events. 8/196 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 278 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 160. Up to 2 conditions per place. [2023-11-19 07:49:15,663 INFO L119 LiptonReduction]: Number of co-enabled transitions 12350 [2023-11-19 07:49:20,501 INFO L134 LiptonReduction]: Checked pairs total: 58639 [2023-11-19 07:49:20,501 INFO L136 LiptonReduction]: Total number of compositions: 153 [2023-11-19 07:49:20,518 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:49:20,526 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;@7355082, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:49:20,526 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2023-11-19 07:49:20,530 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:49:20,531 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2023-11-19 07:49:20,531 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:49:20,531 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:49:20,532 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:49:20,532 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-19 07:49:20,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:20,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1028841872, now seen corresponding path program 1 times [2023-11-19 07:49:20,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:20,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980899207] [2023-11-19 07:49:20,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:20,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:20,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:49:20,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:20,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980899207] [2023-11-19 07:49:20,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980899207] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:20,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:20,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:49:20,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16497557] [2023-11-19 07:49:20,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:20,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:49:20,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:20,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:49:20,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:49:20,923 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 358 [2023-11-19 07:49:20,927 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 86 transitions, 175 flow. Second operand has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:20,927 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:49:20,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 358 [2023-11-19 07:49:20,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:49:21,490 INFO L124 PetriNetUnfolderBase]: 959/2473 cut-off events. [2023-11-19 07:49:21,492 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:49:21,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4494 conditions, 2473 events. 959/2473 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 16531 event pairs, 150 based on Foata normal form. 168/2406 useless extension candidates. Maximal degree in co-relation 4485. Up to 1128 conditions per place. [2023-11-19 07:49:21,515 INFO L140 encePairwiseOnDemand]: 335/358 looper letters, 85 selfloop transitions, 10 changer transitions 0/115 dead transitions. [2023-11-19 07:49:21,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 115 transitions, 423 flow [2023-11-19 07:49:21,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:49:21,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:49:21,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 638 transitions. [2023-11-19 07:49:21,540 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5940409683426443 [2023-11-19 07:49:21,541 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 638 transitions. [2023-11-19 07:49:21,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 638 transitions. [2023-11-19 07:49:21,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:49:21,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 638 transitions. [2023-11-19 07:49:21,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:21,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:21,570 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:21,572 INFO L175 Difference]: Start difference. First operand has 83 places, 86 transitions, 175 flow. Second operand 3 states and 638 transitions. [2023-11-19 07:49:21,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 115 transitions, 423 flow [2023-11-19 07:49:21,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 115 transitions, 422 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:49:21,582 INFO L231 Difference]: Finished difference. Result has 79 places, 80 transitions, 224 flow [2023-11-19 07:49:21,584 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=79, PETRI_TRANSITIONS=80} [2023-11-19 07:49:21,588 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -4 predicate places. [2023-11-19 07:49:21,589 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 80 transitions, 224 flow [2023-11-19 07:49:21,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:21,590 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:49:21,590 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:21,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:49:21,591 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-19 07:49:21,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:21,592 INFO L85 PathProgramCache]: Analyzing trace with hash 510586087, now seen corresponding path program 1 times [2023-11-19 07:49:21,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:21,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30305408] [2023-11-19 07:49:21,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:21,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:49:21,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:21,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30305408] [2023-11-19 07:49:21,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30305408] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:21,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:21,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:49:21,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480176816] [2023-11-19 07:49:21,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:21,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:49:21,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:21,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:49:21,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:49:21,749 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 358 [2023-11-19 07:49:21,750 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 80 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:21,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:49:21,750 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 358 [2023-11-19 07:49:21,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:49:22,155 INFO L124 PetriNetUnfolderBase]: 870/2373 cut-off events. [2023-11-19 07:49:22,155 INFO L125 PetriNetUnfolderBase]: For 479/483 co-relation queries the response was YES. [2023-11-19 07:49:22,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4667 conditions, 2373 events. 870/2373 cut-off events. For 479/483 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 15939 event pairs, 668 based on Foata normal form. 2/2144 useless extension candidates. Maximal degree in co-relation 4657. Up to 1697 conditions per place. [2023-11-19 07:49:22,170 INFO L140 encePairwiseOnDemand]: 351/358 looper letters, 69 selfloop transitions, 8 changer transitions 0/105 dead transitions. [2023-11-19 07:49:22,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 105 transitions, 444 flow [2023-11-19 07:49:22,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:49:22,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:49:22,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 611 transitions. [2023-11-19 07:49:22,174 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.568901303538175 [2023-11-19 07:49:22,174 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 611 transitions. [2023-11-19 07:49:22,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 611 transitions. [2023-11-19 07:49:22,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:49:22,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 611 transitions. [2023-11-19 07:49:22,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:22,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:22,182 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:22,183 INFO L175 Difference]: Start difference. First operand has 79 places, 80 transitions, 224 flow. Second operand 3 states and 611 transitions. [2023-11-19 07:49:22,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 105 transitions, 444 flow [2023-11-19 07:49:22,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 105 transitions, 418 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:49:22,189 INFO L231 Difference]: Finished difference. Result has 81 places, 87 transitions, 276 flow [2023-11-19 07:49:22,190 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=81, PETRI_TRANSITIONS=87} [2023-11-19 07:49:22,191 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -2 predicate places. [2023-11-19 07:49:22,191 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 87 transitions, 276 flow [2023-11-19 07:49:22,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:22,192 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:49:22,192 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:22,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:49:22,192 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-19 07:49:22,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:22,193 INFO L85 PathProgramCache]: Analyzing trace with hash -273587394, now seen corresponding path program 1 times [2023-11-19 07:49:22,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:22,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749914893] [2023-11-19 07:49:22,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:22,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:22,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:49:22,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:22,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749914893] [2023-11-19 07:49:22,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749914893] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:22,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:22,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:49:22,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092282159] [2023-11-19 07:49:22,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:22,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:49:22,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:22,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:49:22,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:49:22,565 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 358 [2023-11-19 07:49:22,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 87 transitions, 276 flow. Second operand has 4 states, 4 states have (on average 185.0) internal successors, (740), 4 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:22,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:49:22,567 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 358 [2023-11-19 07:49:22,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:49:22,868 INFO L124 PetriNetUnfolderBase]: 475/1299 cut-off events. [2023-11-19 07:49:22,869 INFO L125 PetriNetUnfolderBase]: For 288/293 co-relation queries the response was YES. [2023-11-19 07:49:22,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2678 conditions, 1299 events. 475/1299 cut-off events. For 288/293 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 7846 event pairs, 166 based on Foata normal form. 24/1190 useless extension candidates. Maximal degree in co-relation 2667. Up to 540 conditions per place. [2023-11-19 07:49:22,878 INFO L140 encePairwiseOnDemand]: 351/358 looper letters, 86 selfloop transitions, 7 changer transitions 5/123 dead transitions. [2023-11-19 07:49:22,878 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 123 transitions, 540 flow [2023-11-19 07:49:22,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:49:22,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 07:49:22,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 822 transitions. [2023-11-19 07:49:22,882 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5740223463687151 [2023-11-19 07:49:22,882 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 822 transitions. [2023-11-19 07:49:22,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 822 transitions. [2023-11-19 07:49:22,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:49:22,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 822 transitions. [2023-11-19 07:49:22,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 205.5) internal successors, (822), 4 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:22,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 358.0) internal successors, (1790), 5 states have internal predecessors, (1790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:22,892 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 358.0) internal successors, (1790), 5 states have internal predecessors, (1790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:22,892 INFO L175 Difference]: Start difference. First operand has 81 places, 87 transitions, 276 flow. Second operand 4 states and 822 transitions. [2023-11-19 07:49:22,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 123 transitions, 540 flow [2023-11-19 07:49:22,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 123 transitions, 516 flow, removed 5 selfloop flow, removed 2 redundant places. [2023-11-19 07:49:22,900 INFO L231 Difference]: Finished difference. Result has 81 places, 80 transitions, 232 flow [2023-11-19 07:49:22,900 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=232, PETRI_PLACES=81, PETRI_TRANSITIONS=80} [2023-11-19 07:49:22,901 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -2 predicate places. [2023-11-19 07:49:22,901 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 80 transitions, 232 flow [2023-11-19 07:49:22,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 185.0) internal successors, (740), 4 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:22,902 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:49:22,903 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:22,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:49:22,903 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-19 07:49:22,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:22,904 INFO L85 PathProgramCache]: Analyzing trace with hash -798269829, now seen corresponding path program 1 times [2023-11-19 07:49:22,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:22,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163593157] [2023-11-19 07:49:22,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:22,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:22,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:49:22,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:22,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163593157] [2023-11-19 07:49:22,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163593157] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:22,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:22,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:49:22,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785911536] [2023-11-19 07:49:22,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:22,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:49:22,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:22,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:49:22,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:49:22,982 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 358 [2023-11-19 07:49:22,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 80 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:22,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:49:22,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 358 [2023-11-19 07:49:22,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:49:23,263 INFO L124 PetriNetUnfolderBase]: 493/1376 cut-off events. [2023-11-19 07:49:23,263 INFO L125 PetriNetUnfolderBase]: For 279/284 co-relation queries the response was YES. [2023-11-19 07:49:23,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2857 conditions, 1376 events. 493/1376 cut-off events. For 279/284 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 8344 event pairs, 396 based on Foata normal form. 0/1230 useless extension candidates. Maximal degree in co-relation 2844. Up to 1036 conditions per place. [2023-11-19 07:49:23,273 INFO L140 encePairwiseOnDemand]: 353/358 looper letters, 59 selfloop transitions, 4 changer transitions 0/88 dead transitions. [2023-11-19 07:49:23,273 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 88 transitions, 381 flow [2023-11-19 07:49:23,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:49:23,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:49:23,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 596 transitions. [2023-11-19 07:49:23,277 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5549348230912476 [2023-11-19 07:49:23,277 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 596 transitions. [2023-11-19 07:49:23,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 596 transitions. [2023-11-19 07:49:23,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:49:23,278 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 596 transitions. [2023-11-19 07:49:23,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:23,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:23,285 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:23,285 INFO L175 Difference]: Start difference. First operand has 81 places, 80 transitions, 232 flow. Second operand 3 states and 596 transitions. [2023-11-19 07:49:23,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 88 transitions, 381 flow [2023-11-19 07:49:23,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 88 transitions, 380 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:49:23,291 INFO L231 Difference]: Finished difference. Result has 84 places, 83 transitions, 265 flow [2023-11-19 07:49:23,292 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=265, PETRI_PLACES=84, PETRI_TRANSITIONS=83} [2023-11-19 07:49:23,294 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 1 predicate places. [2023-11-19 07:49:23,294 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 83 transitions, 265 flow [2023-11-19 07:49:23,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:23,295 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:49:23,295 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:23,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:49:23,296 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-19 07:49:23,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:23,296 INFO L85 PathProgramCache]: Analyzing trace with hash -406364806, now seen corresponding path program 1 times [2023-11-19 07:49:23,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:23,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706925783] [2023-11-19 07:49:23,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:23,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:23,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:49:23,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:23,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706925783] [2023-11-19 07:49:23,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706925783] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:23,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:23,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:49:23,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161528136] [2023-11-19 07:49:23,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:23,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:49:23,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:23,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:49:23,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:49:23,393 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 358 [2023-11-19 07:49:23,395 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 83 transitions, 265 flow. Second operand has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:23,395 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:49:23,395 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 358 [2023-11-19 07:49:23,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:49:23,708 INFO L124 PetriNetUnfolderBase]: 642/1612 cut-off events. [2023-11-19 07:49:23,709 INFO L125 PetriNetUnfolderBase]: For 486/496 co-relation queries the response was YES. [2023-11-19 07:49:23,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3602 conditions, 1612 events. 642/1612 cut-off events. For 486/496 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 9598 event pairs, 289 based on Foata normal form. 0/1471 useless extension candidates. Maximal degree in co-relation 3588. Up to 911 conditions per place. [2023-11-19 07:49:23,720 INFO L140 encePairwiseOnDemand]: 349/358 looper letters, 93 selfloop transitions, 6 changer transitions 4/123 dead transitions. [2023-11-19 07:49:23,720 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 123 transitions, 596 flow [2023-11-19 07:49:23,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:49:23,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:49:23,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 634 transitions. [2023-11-19 07:49:23,724 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.590316573556797 [2023-11-19 07:49:23,724 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 634 transitions. [2023-11-19 07:49:23,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 634 transitions. [2023-11-19 07:49:23,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:49:23,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 634 transitions. [2023-11-19 07:49:23,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:23,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:23,732 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:23,732 INFO L175 Difference]: Start difference. First operand has 84 places, 83 transitions, 265 flow. Second operand 3 states and 634 transitions. [2023-11-19 07:49:23,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 123 transitions, 596 flow [2023-11-19 07:49:23,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 123 transitions, 582 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-11-19 07:49:23,742 INFO L231 Difference]: Finished difference. Result has 84 places, 85 transitions, 293 flow [2023-11-19 07:49:23,742 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=293, PETRI_PLACES=84, PETRI_TRANSITIONS=85} [2023-11-19 07:49:23,746 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 1 predicate places. [2023-11-19 07:49:23,746 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 85 transitions, 293 flow [2023-11-19 07:49:23,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:23,747 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:49:23,747 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] [2023-11-19 07:49:23,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:49:23,747 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-19 07:49:23,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:23,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1628252560, now seen corresponding path program 1 times [2023-11-19 07:49:23,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:23,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734359148] [2023-11-19 07:49:23,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:23,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:23,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:49:23,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:23,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734359148] [2023-11-19 07:49:23,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734359148] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:23,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:23,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:49:23,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337297394] [2023-11-19 07:49:23,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:23,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:49:23,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:23,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:49:23,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:49:23,857 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 358 [2023-11-19 07:49:23,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 85 transitions, 293 flow. Second operand has 3 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:23,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:49:23,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 358 [2023-11-19 07:49:23,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:49:24,148 INFO L124 PetriNetUnfolderBase]: 620/1561 cut-off events. [2023-11-19 07:49:24,148 INFO L125 PetriNetUnfolderBase]: For 624/636 co-relation queries the response was YES. [2023-11-19 07:49:24,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3738 conditions, 1561 events. 620/1561 cut-off events. For 624/636 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 9340 event pairs, 434 based on Foata normal form. 0/1403 useless extension candidates. Maximal degree in co-relation 3723. Up to 1214 conditions per place. [2023-11-19 07:49:24,161 INFO L140 encePairwiseOnDemand]: 353/358 looper letters, 81 selfloop transitions, 4 changer transitions 0/108 dead transitions. [2023-11-19 07:49:24,161 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 108 transitions, 528 flow [2023-11-19 07:49:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:49:24,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:49:24,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 617 transitions. [2023-11-19 07:49:24,165 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.574487895716946 [2023-11-19 07:49:24,166 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 617 transitions. [2023-11-19 07:49:24,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 617 transitions. [2023-11-19 07:49:24,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:49:24,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 617 transitions. [2023-11-19 07:49:24,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:24,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:24,174 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:24,175 INFO L175 Difference]: Start difference. First operand has 84 places, 85 transitions, 293 flow. Second operand 3 states and 617 transitions. [2023-11-19 07:49:24,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 108 transitions, 528 flow [2023-11-19 07:49:24,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 108 transitions, 514 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:49:24,182 INFO L231 Difference]: Finished difference. Result has 86 places, 88 transitions, 313 flow [2023-11-19 07:49:24,182 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=281, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=313, PETRI_PLACES=86, PETRI_TRANSITIONS=88} [2023-11-19 07:49:24,185 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 3 predicate places. [2023-11-19 07:49:24,185 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 88 transitions, 313 flow [2023-11-19 07:49:24,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:24,186 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:49:24,186 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] [2023-11-19 07:49:24,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:49:24,187 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-19 07:49:24,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:24,188 INFO L85 PathProgramCache]: Analyzing trace with hash 55576577, now seen corresponding path program 1 times [2023-11-19 07:49:24,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:24,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600710772] [2023-11-19 07:49:24,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:24,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:24,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:49:24,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:24,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600710772] [2023-11-19 07:49:24,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600710772] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:24,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:24,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:49:24,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803129223] [2023-11-19 07:49:24,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:24,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:49:24,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:24,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:49:24,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:49:24,560 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 358 [2023-11-19 07:49:24,561 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 88 transitions, 313 flow. Second operand has 5 states, 5 states have (on average 173.2) internal successors, (866), 5 states have internal predecessors, (866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:24,561 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:49:24,561 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 358 [2023-11-19 07:49:24,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:49:24,857 INFO L124 PetriNetUnfolderBase]: 286/970 cut-off events. [2023-11-19 07:49:24,857 INFO L125 PetriNetUnfolderBase]: For 391/391 co-relation queries the response was YES. [2023-11-19 07:49:24,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2417 conditions, 970 events. 286/970 cut-off events. For 391/391 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5493 event pairs, 86 based on Foata normal form. 94/1021 useless extension candidates. Maximal degree in co-relation 2401. Up to 511 conditions per place. [2023-11-19 07:49:24,864 INFO L140 encePairwiseOnDemand]: 339/358 looper letters, 55 selfloop transitions, 17 changer transitions 19/105 dead transitions. [2023-11-19 07:49:24,864 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 105 transitions, 533 flow [2023-11-19 07:49:24,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:49:24,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 07:49:24,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 764 transitions. [2023-11-19 07:49:24,868 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5335195530726257 [2023-11-19 07:49:24,868 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 764 transitions. [2023-11-19 07:49:24,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 764 transitions. [2023-11-19 07:49:24,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:49:24,870 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 764 transitions. [2023-11-19 07:49:24,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:24,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 358.0) internal successors, (1790), 5 states have internal predecessors, (1790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:24,877 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 358.0) internal successors, (1790), 5 states have internal predecessors, (1790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:24,878 INFO L175 Difference]: Start difference. First operand has 86 places, 88 transitions, 313 flow. Second operand 4 states and 764 transitions. [2023-11-19 07:49:24,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 105 transitions, 533 flow [2023-11-19 07:49:24,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 105 transitions, 483 flow, removed 13 selfloop flow, removed 8 redundant places. [2023-11-19 07:49:24,883 INFO L231 Difference]: Finished difference. Result has 77 places, 68 transitions, 249 flow [2023-11-19 07:49:24,884 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=249, PETRI_PLACES=77, PETRI_TRANSITIONS=68} [2023-11-19 07:49:24,884 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -6 predicate places. [2023-11-19 07:49:24,885 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 68 transitions, 249 flow [2023-11-19 07:49:24,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 173.2) internal successors, (866), 5 states have internal predecessors, (866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:24,886 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:49:24,886 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] [2023-11-19 07:49:24,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:49:24,887 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-19 07:49:24,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:24,887 INFO L85 PathProgramCache]: Analyzing trace with hash -17892683, now seen corresponding path program 1 times [2023-11-19 07:49:24,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:24,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532293563] [2023-11-19 07:49:24,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:24,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:24,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:49:24,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:24,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532293563] [2023-11-19 07:49:24,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532293563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:24,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:24,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:49:24,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18979011] [2023-11-19 07:49:24,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:24,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:49:24,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:24,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:49:24,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:49:24,968 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 358 [2023-11-19 07:49:24,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 68 transitions, 249 flow. Second operand has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:24,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:49:24,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 358 [2023-11-19 07:49:24,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:49:25,138 INFO L124 PetriNetUnfolderBase]: 203/683 cut-off events. [2023-11-19 07:49:25,138 INFO L125 PetriNetUnfolderBase]: For 249/249 co-relation queries the response was YES. [2023-11-19 07:49:25,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1740 conditions, 683 events. 203/683 cut-off events. For 249/249 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3482 event pairs, 164 based on Foata normal form. 20/674 useless extension candidates. Maximal degree in co-relation 1725. Up to 546 conditions per place. [2023-11-19 07:49:25,141 INFO L140 encePairwiseOnDemand]: 356/358 looper letters, 0 selfloop transitions, 0 changer transitions 75/75 dead transitions. [2023-11-19 07:49:25,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 75 transitions, 389 flow [2023-11-19 07:49:25,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:49:25,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:49:25,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 597 transitions. [2023-11-19 07:49:25,145 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5558659217877095 [2023-11-19 07:49:25,145 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 597 transitions. [2023-11-19 07:49:25,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 597 transitions. [2023-11-19 07:49:25,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:49:25,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 597 transitions. [2023-11-19 07:49:25,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 199.0) internal successors, (597), 3 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:25,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:25,152 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:25,152 INFO L175 Difference]: Start difference. First operand has 77 places, 68 transitions, 249 flow. Second operand 3 states and 597 transitions. [2023-11-19 07:49:25,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 75 transitions, 389 flow [2023-11-19 07:49:25,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 75 transitions, 388 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:49:25,156 INFO L231 Difference]: Finished difference. Result has 72 places, 0 transitions, 0 flow [2023-11-19 07:49:25,156 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=72, PETRI_TRANSITIONS=0} [2023-11-19 07:49:25,157 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -11 predicate places. [2023-11-19 07:49:25,157 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 0 transitions, 0 flow [2023-11-19 07:49:25,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:25,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2023-11-19 07:49:25,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2023-11-19 07:49:25,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2023-11-19 07:49:25,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2023-11-19 07:49:25,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2023-11-19 07:49:25,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 22 remaining) [2023-11-19 07:49:25,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2023-11-19 07:49:25,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2023-11-19 07:49:25,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2023-11-19 07:49:25,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2023-11-19 07:49:25,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2023-11-19 07:49:25,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2023-11-19 07:49:25,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining) [2023-11-19 07:49:25,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining) [2023-11-19 07:49:25,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2023-11-19 07:49:25,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2023-11-19 07:49:25,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2023-11-19 07:49:25,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2023-11-19 07:49:25,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2023-11-19 07:49:25,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2023-11-19 07:49:25,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2023-11-19 07:49:25,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2023-11-19 07:49:25,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:49:25,167 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:25,174 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:49:25,174 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:49:25,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:49:25 BasicIcfg [2023-11-19 07:49:25,179 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:49:25,180 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:49:25,180 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:49:25,180 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:49:25,181 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:15" (3/4) ... [2023-11-19 07:49:25,183 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:49:25,188 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-19 07:49:25,195 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 07:49:25,196 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:49:25,196 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:49:25,197 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:49:25,298 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb76cb0-0e8c-4b3c-a624-ca8384cc5a40/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:49:25,299 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb76cb0-0e8c-4b3c-a624-ca8384cc5a40/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:49:25,299 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:49:25,300 INFO L158 Benchmark]: Toolchain (without parser) took 11655.74ms. Allocated memory was 153.1MB in the beginning and 260.0MB in the end (delta: 107.0MB). Free memory was 107.9MB in the beginning and 151.2MB in the end (delta: -43.3MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2023-11-19 07:49:25,300 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 153.1MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:49:25,301 INFO L158 Benchmark]: CACSL2BoogieTranslator took 665.07ms. Allocated memory is still 153.1MB. Free memory was 107.9MB in the beginning and 87.7MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 07:49:25,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.50ms. Allocated memory is still 153.1MB. Free memory was 87.7MB in the beginning and 85.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:49:25,302 INFO L158 Benchmark]: Boogie Preprocessor took 74.34ms. Allocated memory is still 153.1MB. Free memory was 85.3MB in the beginning and 83.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:49:25,302 INFO L158 Benchmark]: RCFGBuilder took 711.88ms. Allocated memory is still 153.1MB. Free memory was 83.7MB in the beginning and 64.2MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:49:25,303 INFO L158 Benchmark]: TraceAbstraction took 9994.93ms. Allocated memory was 153.1MB in the beginning and 260.0MB in the end (delta: 107.0MB). Free memory was 63.3MB in the beginning and 156.4MB in the end (delta: -93.1MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2023-11-19 07:49:25,303 INFO L158 Benchmark]: Witness Printer took 119.87ms. Allocated memory is still 260.0MB. Free memory was 156.4MB in the beginning and 151.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:49:25,305 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 153.1MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 665.07ms. Allocated memory is still 153.1MB. Free memory was 107.9MB in the beginning and 87.7MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.50ms. Allocated memory is still 153.1MB. Free memory was 87.7MB in the beginning and 85.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.34ms. Allocated memory is still 153.1MB. Free memory was 85.3MB in the beginning and 83.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 711.88ms. Allocated memory is still 153.1MB. Free memory was 83.7MB in the beginning and 64.2MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 9994.93ms. Allocated memory was 153.1MB in the beginning and 260.0MB in the end (delta: 107.0MB). Free memory was 63.3MB in the beginning and 156.4MB in the end (delta: -93.1MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Witness Printer took 119.87ms. Allocated memory is still 260.0MB. Free memory was 156.4MB in the beginning and 151.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.9s, 192 PlacesBefore, 83 PlacesAfterwards, 196 TransitionsBefore, 86 TransitionsAfterwards, 12350 CoEnabledTransitionPairs, 7 FixpointIterations, 34 TrivialSequentialCompositions, 91 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 27 ConcurrentYvCompositions, 1 ChoiceCompositions, 153 TotalNumberOfCompositions, 58639 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13408, independent: 12297, independent conditional: 0, independent unconditional: 12297, dependent: 1111, dependent conditional: 0, dependent unconditional: 1111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6341, independent: 6204, independent conditional: 0, independent unconditional: 6204, dependent: 137, dependent conditional: 0, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13408, independent: 6093, independent conditional: 0, independent unconditional: 6093, dependent: 974, dependent conditional: 0, dependent unconditional: 974, unknown: 6341, unknown conditional: 0, unknown unconditional: 6341] , Statistics on independence cache: Total cache size (in pairs): 676, Positive cache size: 595, Positive conditional cache size: 0, Positive unconditional cache size: 595, Negative cache size: 81, Negative conditional cache size: 0, Negative unconditional cache size: 81, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 265 locations, 22 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.8s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 713 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 407 mSDsluCounter, 104 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 117 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1272 IncrementalHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 117 mSolverCounterUnsat, 90 mSDtfsCounter, 1272 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=313occurred in iteration=6, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 277 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:49:25,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb76cb0-0e8c-4b3c-a624-ca8384cc5a40/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE