./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/peterson.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a31669-276c-4287-8b09-ded8a1b04d0e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a31669-276c-4287-8b09-ded8a1b04d0e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a31669-276c-4287-8b09-ded8a1b04d0e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a31669-276c-4287-8b09-ded8a1b04d0e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/peterson.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a31669-276c-4287-8b09-ded8a1b04d0e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a31669-276c-4287-8b09-ded8a1b04d0e/bin/uautomizer-verify-BQ2R08f2Ya --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 ee3d1a41e169e13d6fb9bc974b1d8f7c8de5421cb2dfbc7e3d9a400662188398 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:59:01,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:59:01,424 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a31669-276c-4287-8b09-ded8a1b04d0e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 06:59:01,428 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:59:01,429 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:59:01,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:59:01,451 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:59:01,452 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:59:01,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:59:01,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:59:01,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:59:01,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:59:01,455 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:59:01,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:59:01,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:59:01,457 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:59:01,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:59:01,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:59:01,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:59:01,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:59:01,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:59:01,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:59:01,460 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 06:59:01,461 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:59:01,462 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:59:01,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:59:01,462 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:59:01,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:59:01,480 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:59:01,480 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:59:01,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:59:01,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:59:01,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:59:01,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:59:01,482 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:59:01,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:59:01,483 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:59:01,483 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:59:01,483 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:59:01,483 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:59:01,483 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:59:01,484 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_33a31669-276c-4287-8b09-ded8a1b04d0e/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a31669-276c-4287-8b09-ded8a1b04d0e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee3d1a41e169e13d6fb9bc974b1d8f7c8de5421cb2dfbc7e3d9a400662188398 [2023-11-29 06:59:01,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:59:01,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:59:01,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:59:01,780 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:59:01,780 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:59:01,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a31669-276c-4287-8b09-ded8a1b04d0e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/pthread-atomic/peterson.i [2023-11-29 06:59:04,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:59:04,709 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:59:04,710 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a31669-276c-4287-8b09-ded8a1b04d0e/sv-benchmarks/c/pthread-atomic/peterson.i [2023-11-29 06:59:04,725 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a31669-276c-4287-8b09-ded8a1b04d0e/bin/uautomizer-verify-BQ2R08f2Ya/data/c018bdb4e/802e8be3260b45bc939f41b5379c36a2/FLAG7f96eda03 [2023-11-29 06:59:04,738 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a31669-276c-4287-8b09-ded8a1b04d0e/bin/uautomizer-verify-BQ2R08f2Ya/data/c018bdb4e/802e8be3260b45bc939f41b5379c36a2 [2023-11-29 06:59:04,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:59:04,741 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:59:04,742 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:59:04,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:59:04,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:59:04,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:59:04" (1/1) ... [2023-11-29 06:59:04,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40b7802f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:59:04, skipping insertion in model container [2023-11-29 06:59:04,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:59:04" (1/1) ... [2023-11-29 06:59:04,798 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:59:05,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:59:05,090 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:59:05,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:59:05,173 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:59:05,173 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:59:05,181 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:59:05,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:59:05 WrapperNode [2023-11-29 06:59:05,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:59:05,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:59:05,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:59:05,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:59:05,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:59:05" (1/1) ... [2023-11-29 06:59:05,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:59:05" (1/1) ... [2023-11-29 06:59:05,234 INFO L138 Inliner]: procedures = 170, calls = 48, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 174 [2023-11-29 06:59:05,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:59:05,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:59:05,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:59:05,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:59:05,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:59:05" (1/1) ... [2023-11-29 06:59:05,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:59:05" (1/1) ... [2023-11-29 06:59:05,250 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:59:05" (1/1) ... [2023-11-29 06:59:05,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:59:05" (1/1) ... [2023-11-29 06:59:05,260 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:59:05" (1/1) ... [2023-11-29 06:59:05,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:59:05" (1/1) ... [2023-11-29 06:59:05,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:59:05" (1/1) ... [2023-11-29 06:59:05,276 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:59:05" (1/1) ... [2023-11-29 06:59:05,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:59:05,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:59:05,281 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:59:05,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:59:05,282 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:59:05" (1/1) ... [2023-11-29 06:59:05,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:59:05,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a31669-276c-4287-8b09-ded8a1b04d0e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:59:05,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a31669-276c-4287-8b09-ded8a1b04d0e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:59:05,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a31669-276c-4287-8b09-ded8a1b04d0e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:59:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 06:59:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-29 06:59:05,357 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-29 06:59:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-29 06:59:05,357 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-29 06:59:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 06:59:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 06:59:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:59:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:59:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:59:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 06:59:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 06:59:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:59:05,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:59:05,359 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 06:59:05,476 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:59:05,477 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:59:05,714 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:59:05,766 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:59:05,766 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 06:59:05,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:59:05 BoogieIcfgContainer [2023-11-29 06:59:05,768 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:59:05,770 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:59:05,771 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:59:05,774 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:59:05,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:59:04" (1/3) ... [2023-11-29 06:59:05,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e14c872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:59:05, skipping insertion in model container [2023-11-29 06:59:05,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:59:05" (2/3) ... [2023-11-29 06:59:05,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e14c872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:59:05, skipping insertion in model container [2023-11-29 06:59:05,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:59:05" (3/3) ... [2023-11-29 06:59:05,776 INFO L112 eAbstractionObserver]: Analyzing ICFG peterson.i [2023-11-29 06:59:05,783 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 06:59:05,790 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:59:05,790 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2023-11-29 06:59:05,790 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 06:59:05,850 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-29 06:59:05,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 127 places, 128 transitions, 270 flow [2023-11-29 06:59:05,935 INFO L124 PetriNetUnfolderBase]: 8/126 cut-off events. [2023-11-29 06:59:05,935 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 06:59:05,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 126 events. 8/126 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 238 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place. [2023-11-29 06:59:05,942 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 128 transitions, 270 flow [2023-11-29 06:59:05,947 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 115 places, 116 transitions, 241 flow [2023-11-29 06:59:05,956 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:59:05,963 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;@4249fd43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:59:05,964 INFO L358 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2023-11-29 06:59:05,971 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 06:59:05,972 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2023-11-29 06:59:05,972 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 06:59:05,972 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:59:05,973 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] [2023-11-29 06:59:05,973 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-29 06:59:05,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:59:05,979 INFO L85 PathProgramCache]: Analyzing trace with hash -58561203, now seen corresponding path program 1 times [2023-11-29 06:59:05,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:59:05,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878057159] [2023-11-29 06:59:05,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:59:05,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:59:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:06,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:59:06,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:59:06,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878057159] [2023-11-29 06:59:06,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878057159] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:59:06,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:59:06,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 06:59:06,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867534761] [2023-11-29 06:59:06,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:59:06,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:59:06,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:59:06,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:59:06,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:59:06,216 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 128 [2023-11-29 06:59:06,219 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 116 transitions, 241 flow. Second operand has 2 states, 2 states have (on average 91.0) internal successors, (182), 2 states have internal predecessors, (182), 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) [2023-11-29 06:59:06,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:59:06,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 128 [2023-11-29 06:59:06,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:59:06,335 INFO L124 PetriNetUnfolderBase]: 64/363 cut-off events. [2023-11-29 06:59:06,336 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2023-11-29 06:59:06,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 517 conditions, 363 events. 64/363 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1780 event pairs, 48 based on Foata normal form. 40/347 useless extension candidates. Maximal degree in co-relation 428. Up to 128 conditions per place. [2023-11-29 06:59:06,342 INFO L140 encePairwiseOnDemand]: 108/128 looper letters, 17 selfloop transitions, 0 changer transitions 0/92 dead transitions. [2023-11-29 06:59:06,342 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 92 transitions, 227 flow [2023-11-29 06:59:06,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:59:06,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-29 06:59:06,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 217 transitions. [2023-11-29 06:59:06,354 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.84765625 [2023-11-29 06:59:06,354 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 217 transitions. [2023-11-29 06:59:06,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 217 transitions. [2023-11-29 06:59:06,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:59:06,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 217 transitions. [2023-11-29 06:59:06,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 108.5) internal successors, (217), 2 states have internal predecessors, (217), 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) [2023-11-29 06:59:06,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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) [2023-11-29 06:59:06,366 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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) [2023-11-29 06:59:06,368 INFO L175 Difference]: Start difference. First operand has 115 places, 116 transitions, 241 flow. Second operand 2 states and 217 transitions. [2023-11-29 06:59:06,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 92 transitions, 227 flow [2023-11-29 06:59:06,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 92 transitions, 222 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-29 06:59:06,377 INFO L231 Difference]: Finished difference. Result has 95 places, 92 transitions, 188 flow [2023-11-29 06:59:06,379 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=188, PETRI_PLACES=95, PETRI_TRANSITIONS=92} [2023-11-29 06:59:06,382 INFO L281 CegarLoopForPetriNet]: 115 programPoint places, -20 predicate places. [2023-11-29 06:59:06,383 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 92 transitions, 188 flow [2023-11-29 06:59:06,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 91.0) internal successors, (182), 2 states have internal predecessors, (182), 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) [2023-11-29 06:59:06,383 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:59:06,383 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:59:06,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:59:06,384 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-29 06:59:06,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:59:06,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1342998550, now seen corresponding path program 1 times [2023-11-29 06:59:06,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:59:06,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094738464] [2023-11-29 06:59:06,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:59:06,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:59:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:06,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:59:06,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:59:06,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094738464] [2023-11-29 06:59:06,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094738464] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:59:06,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:59:06,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:59:06,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73410787] [2023-11-29 06:59:06,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:59:06,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:59:06,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:59:06,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:59:06,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:59:06,542 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 128 [2023-11-29 06:59:06,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 92 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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) [2023-11-29 06:59:06,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:59:06,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 128 [2023-11-29 06:59:06,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:59:06,706 INFO L124 PetriNetUnfolderBase]: 136/610 cut-off events. [2023-11-29 06:59:06,706 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-29 06:59:06,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 912 conditions, 610 events. 136/610 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3480 event pairs, 90 based on Foata normal form. 0/524 useless extension candidates. Maximal degree in co-relation 909. Up to 236 conditions per place. [2023-11-29 06:59:06,714 INFO L140 encePairwiseOnDemand]: 122/128 looper letters, 32 selfloop transitions, 5 changer transitions 0/104 dead transitions. [2023-11-29 06:59:06,714 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 104 transitions, 288 flow [2023-11-29 06:59:06,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:59:06,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:59:06,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2023-11-29 06:59:06,718 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7395833333333334 [2023-11-29 06:59:06,718 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 284 transitions. [2023-11-29 06:59:06,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 284 transitions. [2023-11-29 06:59:06,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:59:06,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 284 transitions. [2023-11-29 06:59:06,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 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) [2023-11-29 06:59:06,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 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) [2023-11-29 06:59:06,724 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 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) [2023-11-29 06:59:06,725 INFO L175 Difference]: Start difference. First operand has 95 places, 92 transitions, 188 flow. Second operand 3 states and 284 transitions. [2023-11-29 06:59:06,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 104 transitions, 288 flow [2023-11-29 06:59:06,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 104 transitions, 288 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 06:59:06,729 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 226 flow [2023-11-29 06:59:06,730 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=99, PETRI_TRANSITIONS=96} [2023-11-29 06:59:06,731 INFO L281 CegarLoopForPetriNet]: 115 programPoint places, -16 predicate places. [2023-11-29 06:59:06,731 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 226 flow [2023-11-29 06:59:06,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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) [2023-11-29 06:59:06,732 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:59:06,732 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] [2023-11-29 06:59:06,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:59:06,732 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-29 06:59:06,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:59:06,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1649909540, now seen corresponding path program 1 times [2023-11-29 06:59:06,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:59:06,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447040539] [2023-11-29 06:59:06,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:59:06,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:59:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:06,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:59:06,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:59:06,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447040539] [2023-11-29 06:59:06,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447040539] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:59:06,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:59:06,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:59:06,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291401910] [2023-11-29 06:59:06,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:59:06,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:59:06,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:59:06,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:59:06,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:59:06,819 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 128 [2023-11-29 06:59:06,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 96 transitions, 226 flow. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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) [2023-11-29 06:59:06,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:59:06,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 128 [2023-11-29 06:59:06,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:59:06,963 INFO L124 PetriNetUnfolderBase]: 134/631 cut-off events. [2023-11-29 06:59:06,963 INFO L125 PetriNetUnfolderBase]: For 80/82 co-relation queries the response was YES. [2023-11-29 06:59:06,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1024 conditions, 631 events. 134/631 cut-off events. For 80/82 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3675 event pairs, 51 based on Foata normal form. 1/559 useless extension candidates. Maximal degree in co-relation 1019. Up to 149 conditions per place. [2023-11-29 06:59:06,969 INFO L140 encePairwiseOnDemand]: 120/128 looper letters, 42 selfloop transitions, 7 changer transitions 0/118 dead transitions. [2023-11-29 06:59:06,970 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 118 transitions, 379 flow [2023-11-29 06:59:06,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:59:06,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:59:06,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 295 transitions. [2023-11-29 06:59:06,974 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7682291666666666 [2023-11-29 06:59:06,974 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 295 transitions. [2023-11-29 06:59:06,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 295 transitions. [2023-11-29 06:59:06,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:59:06,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 295 transitions. [2023-11-29 06:59:06,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 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) [2023-11-29 06:59:06,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 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) [2023-11-29 06:59:06,979 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 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) [2023-11-29 06:59:06,980 INFO L175 Difference]: Start difference. First operand has 99 places, 96 transitions, 226 flow. Second operand 3 states and 295 transitions. [2023-11-29 06:59:06,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 118 transitions, 379 flow [2023-11-29 06:59:06,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 118 transitions, 367 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:59:06,985 INFO L231 Difference]: Finished difference. Result has 101 places, 102 transitions, 278 flow [2023-11-29 06:59:06,985 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=101, PETRI_TRANSITIONS=102} [2023-11-29 06:59:06,986 INFO L281 CegarLoopForPetriNet]: 115 programPoint places, -14 predicate places. [2023-11-29 06:59:06,986 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 102 transitions, 278 flow [2023-11-29 06:59:06,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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) [2023-11-29 06:59:06,987 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:59:06,987 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] [2023-11-29 06:59:06,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:59:06,987 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-29 06:59:06,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:59:06,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1714881755, now seen corresponding path program 1 times [2023-11-29 06:59:06,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:59:06,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696142908] [2023-11-29 06:59:06,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:59:06,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:59:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:07,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:59:07,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:59:07,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696142908] [2023-11-29 06:59:07,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696142908] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:59:07,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:59:07,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:59:07,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823883666] [2023-11-29 06:59:07,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:59:07,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:59:07,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:59:07,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:59:07,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:59:07,526 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 128 [2023-11-29 06:59:07,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 102 transitions, 278 flow. Second operand has 6 states, 6 states have (on average 81.5) internal successors, (489), 6 states have internal predecessors, (489), 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) [2023-11-29 06:59:07,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:59:07,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 128 [2023-11-29 06:59:07,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:59:07,836 INFO L124 PetriNetUnfolderBase]: 624/1373 cut-off events. [2023-11-29 06:59:07,836 INFO L125 PetriNetUnfolderBase]: For 74/76 co-relation queries the response was YES. [2023-11-29 06:59:07,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2519 conditions, 1373 events. 624/1373 cut-off events. For 74/76 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 8510 event pairs, 45 based on Foata normal form. 0/1279 useless extension candidates. Maximal degree in co-relation 2513. Up to 349 conditions per place. [2023-11-29 06:59:07,848 INFO L140 encePairwiseOnDemand]: 123/128 looper letters, 76 selfloop transitions, 4 changer transitions 0/157 dead transitions. [2023-11-29 06:59:07,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 157 transitions, 548 flow [2023-11-29 06:59:07,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:59:07,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:59:07,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 561 transitions. [2023-11-29 06:59:07,852 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.73046875 [2023-11-29 06:59:07,852 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 561 transitions. [2023-11-29 06:59:07,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 561 transitions. [2023-11-29 06:59:07,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:59:07,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 561 transitions. [2023-11-29 06:59:07,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 93.5) internal successors, (561), 6 states have internal predecessors, (561), 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) [2023-11-29 06:59:07,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 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) [2023-11-29 06:59:07,858 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 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) [2023-11-29 06:59:07,858 INFO L175 Difference]: Start difference. First operand has 101 places, 102 transitions, 278 flow. Second operand 6 states and 561 transitions. [2023-11-29 06:59:07,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 157 transitions, 548 flow [2023-11-29 06:59:07,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 157 transitions, 534 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:59:07,864 INFO L231 Difference]: Finished difference. Result has 103 places, 101 transitions, 270 flow [2023-11-29 06:59:07,865 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=270, PETRI_PLACES=103, PETRI_TRANSITIONS=101} [2023-11-29 06:59:07,866 INFO L281 CegarLoopForPetriNet]: 115 programPoint places, -12 predicate places. [2023-11-29 06:59:07,866 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 101 transitions, 270 flow [2023-11-29 06:59:07,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 81.5) internal successors, (489), 6 states have internal predecessors, (489), 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) [2023-11-29 06:59:07,866 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:59:07,867 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:59:07,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:59:07,867 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err6ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-29 06:59:07,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:59:07,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1404292934, now seen corresponding path program 1 times [2023-11-29 06:59:07,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:59:07,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045577908] [2023-11-29 06:59:07,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:59:07,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:59:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:07,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:59:07,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:59:07,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045577908] [2023-11-29 06:59:07,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045577908] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:59:07,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:59:07,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:59:07,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360151621] [2023-11-29 06:59:07,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:59:07,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:59:07,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:59:07,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:59:07,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:59:07,922 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 128 [2023-11-29 06:59:07,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 101 transitions, 270 flow. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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) [2023-11-29 06:59:07,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:59:07,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 128 [2023-11-29 06:59:07,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:59:08,046 INFO L124 PetriNetUnfolderBase]: 165/654 cut-off events. [2023-11-29 06:59:08,047 INFO L125 PetriNetUnfolderBase]: For 118/118 co-relation queries the response was YES. [2023-11-29 06:59:08,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1191 conditions, 654 events. 165/654 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3856 event pairs, 91 based on Foata normal form. 0/581 useless extension candidates. Maximal degree in co-relation 1185. Up to 281 conditions per place. [2023-11-29 06:59:08,052 INFO L140 encePairwiseOnDemand]: 122/128 looper letters, 36 selfloop transitions, 7 changer transitions 0/113 dead transitions. [2023-11-29 06:59:08,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 113 transitions, 387 flow [2023-11-29 06:59:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:59:08,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:59:08,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2023-11-29 06:59:08,054 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7395833333333334 [2023-11-29 06:59:08,055 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 284 transitions. [2023-11-29 06:59:08,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 284 transitions. [2023-11-29 06:59:08,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:59:08,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 284 transitions. [2023-11-29 06:59:08,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 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) [2023-11-29 06:59:08,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 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) [2023-11-29 06:59:08,058 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 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) [2023-11-29 06:59:08,058 INFO L175 Difference]: Start difference. First operand has 103 places, 101 transitions, 270 flow. Second operand 3 states and 284 transitions. [2023-11-29 06:59:08,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 113 transitions, 387 flow [2023-11-29 06:59:08,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 113 transitions, 380 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 06:59:08,062 INFO L231 Difference]: Finished difference. Result has 103 places, 105 transitions, 315 flow [2023-11-29 06:59:08,063 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=263, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=315, PETRI_PLACES=103, PETRI_TRANSITIONS=105} [2023-11-29 06:59:08,063 INFO L281 CegarLoopForPetriNet]: 115 programPoint places, -12 predicate places. [2023-11-29 06:59:08,064 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 105 transitions, 315 flow [2023-11-29 06:59:08,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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) [2023-11-29 06:59:08,064 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:59:08,064 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:59:08,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 06:59:08,065 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-29 06:59:08,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:59:08,065 INFO L85 PathProgramCache]: Analyzing trace with hash -575072963, now seen corresponding path program 1 times [2023-11-29 06:59:08,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:59:08,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071318761] [2023-11-29 06:59:08,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:59:08,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:59:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:08,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:59:08,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:59:08,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071318761] [2023-11-29 06:59:08,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071318761] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:59:08,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:59:08,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:59:08,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971660873] [2023-11-29 06:59:08,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:59:08,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:59:08,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:59:08,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:59:08,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:59:08,168 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 128 [2023-11-29 06:59:08,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 105 transitions, 315 flow. Second operand has 6 states, 6 states have (on average 88.16666666666667) internal successors, (529), 6 states have internal predecessors, (529), 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) [2023-11-29 06:59:08,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:59:08,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 128 [2023-11-29 06:59:08,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:59:08,443 INFO L124 PetriNetUnfolderBase]: 151/719 cut-off events. [2023-11-29 06:59:08,444 INFO L125 PetriNetUnfolderBase]: For 169/186 co-relation queries the response was YES. [2023-11-29 06:59:08,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1295 conditions, 719 events. 151/719 cut-off events. For 169/186 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4426 event pairs, 24 based on Foata normal form. 0/644 useless extension candidates. Maximal degree in co-relation 1288. Up to 106 conditions per place. [2023-11-29 06:59:08,450 INFO L140 encePairwiseOnDemand]: 118/128 looper letters, 50 selfloop transitions, 20 changer transitions 0/154 dead transitions. [2023-11-29 06:59:08,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 154 transitions, 556 flow [2023-11-29 06:59:08,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 06:59:08,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-29 06:59:08,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2023-11-29 06:59:08,454 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7296875 [2023-11-29 06:59:08,454 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2023-11-29 06:59:08,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2023-11-29 06:59:08,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:59:08,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2023-11-29 06:59:08,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 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) [2023-11-29 06:59:08,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 128.0) internal successors, (1408), 11 states have internal predecessors, (1408), 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) [2023-11-29 06:59:08,463 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 128.0) internal successors, (1408), 11 states have internal predecessors, (1408), 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) [2023-11-29 06:59:08,463 INFO L175 Difference]: Start difference. First operand has 103 places, 105 transitions, 315 flow. Second operand 10 states and 934 transitions. [2023-11-29 06:59:08,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 154 transitions, 556 flow [2023-11-29 06:59:08,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 154 transitions, 542 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:59:08,469 INFO L231 Difference]: Finished difference. Result has 119 places, 124 transitions, 451 flow [2023-11-29 06:59:08,470 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=451, PETRI_PLACES=119, PETRI_TRANSITIONS=124} [2023-11-29 06:59:08,470 INFO L281 CegarLoopForPetriNet]: 115 programPoint places, 4 predicate places. [2023-11-29 06:59:08,471 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 124 transitions, 451 flow [2023-11-29 06:59:08,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 88.16666666666667) internal successors, (529), 6 states have internal predecessors, (529), 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) [2023-11-29 06:59:08,471 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:59:08,471 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:59:08,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 06:59:08,472 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-29 06:59:08,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:59:08,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1625668735, now seen corresponding path program 2 times [2023-11-29 06:59:08,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:59:08,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645370113] [2023-11-29 06:59:08,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:59:08,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:59:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:08,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:59:08,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:59:08,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645370113] [2023-11-29 06:59:08,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645370113] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:59:08,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:59:08,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:59:08,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966175550] [2023-11-29 06:59:08,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:59:08,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:59:08,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:59:08,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:59:08,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:59:08,583 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 128 [2023-11-29 06:59:08,584 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 124 transitions, 451 flow. Second operand has 6 states, 6 states have (on average 88.16666666666667) internal successors, (529), 6 states have internal predecessors, (529), 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) [2023-11-29 06:59:08,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:59:08,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 128 [2023-11-29 06:59:08,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:59:08,819 INFO L124 PetriNetUnfolderBase]: 135/455 cut-off events. [2023-11-29 06:59:08,819 INFO L125 PetriNetUnfolderBase]: For 299/334 co-relation queries the response was YES. [2023-11-29 06:59:08,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1093 conditions, 455 events. 135/455 cut-off events. For 299/334 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2109 event pairs, 10 based on Foata normal form. 3/432 useless extension candidates. Maximal degree in co-relation 1078. Up to 105 conditions per place. [2023-11-29 06:59:08,824 INFO L140 encePairwiseOnDemand]: 118/128 looper letters, 65 selfloop transitions, 22 changer transitions 0/157 dead transitions. [2023-11-29 06:59:08,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 157 transitions, 740 flow [2023-11-29 06:59:08,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 06:59:08,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-29 06:59:08,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 932 transitions. [2023-11-29 06:59:08,829 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.728125 [2023-11-29 06:59:08,829 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 932 transitions. [2023-11-29 06:59:08,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 932 transitions. [2023-11-29 06:59:08,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:59:08,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 932 transitions. [2023-11-29 06:59:08,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.2) internal successors, (932), 10 states have internal predecessors, (932), 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) [2023-11-29 06:59:08,836 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 128.0) internal successors, (1408), 11 states have internal predecessors, (1408), 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) [2023-11-29 06:59:08,837 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 128.0) internal successors, (1408), 11 states have internal predecessors, (1408), 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) [2023-11-29 06:59:08,837 INFO L175 Difference]: Start difference. First operand has 119 places, 124 transitions, 451 flow. Second operand 10 states and 932 transitions. [2023-11-29 06:59:08,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 157 transitions, 740 flow [2023-11-29 06:59:08,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 157 transitions, 698 flow, removed 15 selfloop flow, removed 4 redundant places. [2023-11-29 06:59:08,845 INFO L231 Difference]: Finished difference. Result has 129 places, 123 transitions, 497 flow [2023-11-29 06:59:08,846 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=329, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=497, PETRI_PLACES=129, PETRI_TRANSITIONS=123} [2023-11-29 06:59:08,846 INFO L281 CegarLoopForPetriNet]: 115 programPoint places, 14 predicate places. [2023-11-29 06:59:08,846 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 123 transitions, 497 flow [2023-11-29 06:59:08,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 88.16666666666667) internal successors, (529), 6 states have internal predecessors, (529), 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) [2023-11-29 06:59:08,847 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:59:08,847 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:59:08,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 06:59:08,848 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-29 06:59:08,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:59:08,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1145477516, now seen corresponding path program 1 times [2023-11-29 06:59:08,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:59:08,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564378087] [2023-11-29 06:59:08,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:59:08,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:59:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:59:09,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:59:09,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:59:09,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564378087] [2023-11-29 06:59:09,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564378087] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:59:09,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:59:09,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:59:09,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084214267] [2023-11-29 06:59:09,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:59:09,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:59:09,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:59:09,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:59:09,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:59:09,341 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 128 [2023-11-29 06:59:09,342 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 123 transitions, 497 flow. Second operand has 6 states, 6 states have (on average 82.5) internal successors, (495), 6 states have internal predecessors, (495), 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) [2023-11-29 06:59:09,342 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:59:09,342 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 128 [2023-11-29 06:59:09,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:59:09,517 INFO L124 PetriNetUnfolderBase]: 164/516 cut-off events. [2023-11-29 06:59:09,517 INFO L125 PetriNetUnfolderBase]: For 572/633 co-relation queries the response was YES. [2023-11-29 06:59:09,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1465 conditions, 516 events. 164/516 cut-off events. For 572/633 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2408 event pairs, 42 based on Foata normal form. 5/502 useless extension candidates. Maximal degree in co-relation 1443. Up to 234 conditions per place. [2023-11-29 06:59:09,521 INFO L140 encePairwiseOnDemand]: 123/128 looper letters, 0 selfloop transitions, 0 changer transitions 158/158 dead transitions. [2023-11-29 06:59:09,521 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 158 transitions, 875 flow [2023-11-29 06:59:09,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:59:09,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:59:09,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 533 transitions. [2023-11-29 06:59:09,524 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6940104166666666 [2023-11-29 06:59:09,524 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 533 transitions. [2023-11-29 06:59:09,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 533 transitions. [2023-11-29 06:59:09,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:59:09,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 533 transitions. [2023-11-29 06:59:09,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 88.83333333333333) internal successors, (533), 6 states have internal predecessors, (533), 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) [2023-11-29 06:59:09,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 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) [2023-11-29 06:59:09,529 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 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) [2023-11-29 06:59:09,529 INFO L175 Difference]: Start difference. First operand has 129 places, 123 transitions, 497 flow. Second operand 6 states and 533 transitions. [2023-11-29 06:59:09,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 158 transitions, 875 flow [2023-11-29 06:59:09,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 158 transitions, 875 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 06:59:09,537 INFO L231 Difference]: Finished difference. Result has 133 places, 0 transitions, 0 flow [2023-11-29 06:59:09,538 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=133, PETRI_TRANSITIONS=0} [2023-11-29 06:59:09,538 INFO L281 CegarLoopForPetriNet]: 115 programPoint places, 18 predicate places. [2023-11-29 06:59:09,538 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 0 transitions, 0 flow [2023-11-29 06:59:09,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 82.5) internal successors, (495), 6 states have internal predecessors, (495), 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) [2023-11-29 06:59:09,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (39 of 40 remaining) [2023-11-29 06:59:09,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2023-11-29 06:59:09,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2023-11-29 06:59:09,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2023-11-29 06:59:09,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2023-11-29 06:59:09,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2023-11-29 06:59:09,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2023-11-29 06:59:09,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2023-11-29 06:59:09,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2023-11-29 06:59:09,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2023-11-29 06:59:09,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2023-11-29 06:59:09,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2023-11-29 06:59:09,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2023-11-29 06:59:09,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2023-11-29 06:59:09,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2023-11-29 06:59:09,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2023-11-29 06:59:09,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2023-11-29 06:59:09,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2023-11-29 06:59:09,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2023-11-29 06:59:09,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2023-11-29 06:59:09,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 40 remaining) [2023-11-29 06:59:09,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 40 remaining) [2023-11-29 06:59:09,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining) [2023-11-29 06:59:09,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (16 of 40 remaining) [2023-11-29 06:59:09,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (15 of 40 remaining) [2023-11-29 06:59:09,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (14 of 40 remaining) [2023-11-29 06:59:09,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2023-11-29 06:59:09,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2023-11-29 06:59:09,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2023-11-29 06:59:09,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2023-11-29 06:59:09,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2023-11-29 06:59:09,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2023-11-29 06:59:09,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2023-11-29 06:59:09,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2023-11-29 06:59:09,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2023-11-29 06:59:09,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2023-11-29 06:59:09,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2023-11-29 06:59:09,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2023-11-29 06:59:09,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2023-11-29 06:59:09,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2023-11-29 06:59:09,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 06:59:09,548 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2023-11-29 06:59:09,553 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 06:59:09,553 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:59:09,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:59:09 BasicIcfg [2023-11-29 06:59:09,559 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:59:09,560 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:59:09,560 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:59:09,560 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:59:09,560 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:59:05" (3/4) ... [2023-11-29 06:59:09,562 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 06:59:09,565 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2023-11-29 06:59:09,565 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-11-29 06:59:09,569 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-29 06:59:09,569 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 06:59:09,569 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 06:59:09,569 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:59:09,645 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a31669-276c-4287-8b09-ded8a1b04d0e/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:59:09,646 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a31669-276c-4287-8b09-ded8a1b04d0e/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 06:59:09,646 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:59:09,647 INFO L158 Benchmark]: Toolchain (without parser) took 4905.62ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 156.3MB in the beginning and 79.3MB in the end (delta: 77.0MB). Peak memory consumption was 114.5MB. Max. memory is 16.1GB. [2023-11-29 06:59:09,647 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 127.9MB. Free memory was 99.9MB in the beginning and 99.7MB in the end (delta: 133.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:59:09,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.62ms. Allocated memory is still 188.7MB. Free memory was 156.0MB in the beginning and 139.0MB in the end (delta: 17.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-11-29 06:59:09,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.66ms. Allocated memory is still 188.7MB. Free memory was 139.0MB in the beginning and 136.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:59:09,648 INFO L158 Benchmark]: Boogie Preprocessor took 44.86ms. Allocated memory is still 188.7MB. Free memory was 136.9MB in the beginning and 157.3MB in the end (delta: -20.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 06:59:09,648 INFO L158 Benchmark]: RCFGBuilder took 487.87ms. Allocated memory is still 188.7MB. Free memory was 157.3MB in the beginning and 134.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-29 06:59:09,649 INFO L158 Benchmark]: TraceAbstraction took 3788.59ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 134.2MB in the beginning and 83.5MB in the end (delta: 50.8MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. [2023-11-29 06:59:09,649 INFO L158 Benchmark]: Witness Printer took 86.65ms. Allocated memory is still 226.5MB. Free memory was 83.5MB in the beginning and 79.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:59:09,651 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 127.9MB. Free memory was 99.9MB in the beginning and 99.7MB in the end (delta: 133.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 439.62ms. Allocated memory is still 188.7MB. Free memory was 156.0MB in the beginning and 139.0MB in the end (delta: 17.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.66ms. Allocated memory is still 188.7MB. Free memory was 139.0MB in the beginning and 136.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.86ms. Allocated memory is still 188.7MB. Free memory was 136.9MB in the beginning and 157.3MB in the end (delta: -20.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 487.87ms. Allocated memory is still 188.7MB. Free memory was 157.3MB in the beginning and 134.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3788.59ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 134.2MB in the beginning and 83.5MB in the end (delta: 50.8MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. * Witness Printer took 86.65ms. Allocated memory is still 226.5MB. Free memory was 83.5MB in the beginning and 79.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 742]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 746]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 749]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 753]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 764]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 191 locations, 40 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: 3.7s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 369 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 282 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1055 IncrementalHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 27 mSDtfsCounter, 1055 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=497occurred in iteration=7, InterpolantAutomatonStates: 43, 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, 1.1s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 280 ConstructedInterpolants, 0 QuantifiedInterpolants, 510 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 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 06:59:09,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a31669-276c-4287-8b09-ded8a1b04d0e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE