./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe033_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9515de0-9a10-4a0a-8e2c-fb733a66d0a3/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9515de0-9a10-4a0a-8e2c-fb733a66d0a3/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9515de0-9a10-4a0a-8e2c-fb733a66d0a3/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9515de0-9a10-4a0a-8e2c-fb733a66d0a3/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe033_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9515de0-9a10-4a0a-8e2c-fb733a66d0a3/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9515de0-9a10-4a0a-8e2c-fb733a66d0a3/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 03e09f2995f610da86eeaa1f1ee03bc9ee01699bf21a2567d5a1129cd8929582 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:59:48,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:59:48,635 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9515de0-9a10-4a0a-8e2c-fb733a66d0a3/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:59:48,641 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:59:48,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:59:48,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:59:48,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:59:48,689 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:59:48,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:59:48,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:59:48,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:59:48,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:59:48,698 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:59:48,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:59:48,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:59:48,701 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:59:48,701 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:59:48,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:59:48,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:59:48,702 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:59:48,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:59:48,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:59:48,704 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:59:48,704 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:59:48,705 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:59:48,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:59:48,706 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:59:48,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:59:48,707 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:59:48,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:59:48,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:48,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:59:48,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:59:48,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:59:48,710 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:59:48,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:59:48,710 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:59:48,711 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:59:48,711 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:59:48,711 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:59:48,711 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:59:48,712 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_d9515de0-9a10-4a0a-8e2c-fb733a66d0a3/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9515de0-9a10-4a0a-8e2c-fb733a66d0a3/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03e09f2995f610da86eeaa1f1ee03bc9ee01699bf21a2567d5a1129cd8929582 [2023-11-26 11:59:49,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:59:49,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:59:49,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:59:49,065 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:59:49,066 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:59:49,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9515de0-9a10-4a0a-8e2c-fb733a66d0a3/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread-wmm/safe033_tso.i [2023-11-26 11:59:52,213 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:59:52,585 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:59:52,586 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9515de0-9a10-4a0a-8e2c-fb733a66d0a3/sv-benchmarks/c/pthread-wmm/safe033_tso.i [2023-11-26 11:59:52,607 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9515de0-9a10-4a0a-8e2c-fb733a66d0a3/bin/uautomizer-verify-VRDe98Ueme/data/ff74b51c4/9547f3cd410448abab5f7ac7561c4ce5/FLAG0b4295c97 [2023-11-26 11:59:52,627 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9515de0-9a10-4a0a-8e2c-fb733a66d0a3/bin/uautomizer-verify-VRDe98Ueme/data/ff74b51c4/9547f3cd410448abab5f7ac7561c4ce5 [2023-11-26 11:59:52,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:59:52,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:59:52,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:52,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:59:52,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:59:52,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:52" (1/1) ... [2023-11-26 11:59:52,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29cbc137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:52, skipping insertion in model container [2023-11-26 11:59:52,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:52" (1/1) ... [2023-11-26 11:59:52,715 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:59:53,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:53,107 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:59:53,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:53,183 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:59:53,183 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:59:53,192 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:59:53,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:53 WrapperNode [2023-11-26 11:59:53,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:53,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:53,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:59:53,194 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:59:53,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:53" (1/1) ... [2023-11-26 11:59:53,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:53" (1/1) ... [2023-11-26 11:59:53,279 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-26 11:59:53,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:53,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:59:53,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:59:53,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:59:53,290 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:53" (1/1) ... [2023-11-26 11:59:53,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:53" (1/1) ... [2023-11-26 11:59:53,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:53" (1/1) ... [2023-11-26 11:59:53,307 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:53" (1/1) ... [2023-11-26 11:59:53,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:53" (1/1) ... [2023-11-26 11:59:53,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:53" (1/1) ... [2023-11-26 11:59:53,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:53" (1/1) ... [2023-11-26 11:59:53,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:53" (1/1) ... [2023-11-26 11:59:53,337 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:59:53,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:59:53,338 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:59:53,338 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:59:53,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:53" (1/1) ... [2023-11-26 11:59:53,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:53,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9515de0-9a10-4a0a-8e2c-fb733a66d0a3/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:53,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9515de0-9a10-4a0a-8e2c-fb733a66d0a3/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:53,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9515de0-9a10-4a0a-8e2c-fb733a66d0a3/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:59:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:59:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 11:59:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:59:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:59:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:59:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-26 11:59:53,430 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-26 11:59:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-26 11:59:53,431 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-26 11:59:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:59:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 11:59:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:59:53,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:59:53,436 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 11:59:53,583 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:59:53,585 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:59:53,850 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:59:54,003 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:59:54,003 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:59:54,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:54 BoogieIcfgContainer [2023-11-26 11:59:54,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:59:54,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:59:54,009 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:59:54,013 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:59:54,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:59:52" (1/3) ... [2023-11-26 11:59:54,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d03e8ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:54, skipping insertion in model container [2023-11-26 11:59:54,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:53" (2/3) ... [2023-11-26 11:59:54,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d03e8ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:54, skipping insertion in model container [2023-11-26 11:59:54,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:54" (3/3) ... [2023-11-26 11:59:54,016 INFO L112 eAbstractionObserver]: Analyzing ICFG safe033_tso.i [2023-11-26 11:59:54,051 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:59:54,073 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:59:54,074 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-26 11:59:54,075 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:59:54,144 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 11:59:54,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 102 places, 98 transitions, 204 flow [2023-11-26 11:59:54,232 INFO L124 PetriNetUnfolderBase]: 3/96 cut-off events. [2023-11-26 11:59:54,233 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:59:54,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 96 events. 3/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 104 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 79. Up to 2 conditions per place. [2023-11-26 11:59:54,239 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 98 transitions, 204 flow [2023-11-26 11:59:54,245 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 96 transitions, 198 flow [2023-11-26 11:59:54,257 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:59:54,264 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;@45cf6c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:59:54,265 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2023-11-26 11:59:54,274 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:59:54,274 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2023-11-26 11:59:54,275 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:59:54,275 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:59:54,276 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] [2023-11-26 11:59:54,276 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-11-26 11:59:54,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:54,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1856453554, now seen corresponding path program 1 times [2023-11-26 11:59:54,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:54,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398107520] [2023-11-26 11:59:54,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:54,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:54,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:59:54,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:54,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398107520] [2023-11-26 11:59:54,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398107520] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:54,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:54,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 11:59:54,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061202807] [2023-11-26 11:59:54,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:54,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:59:54,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:54,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:59:54,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:59:54,628 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 98 [2023-11-26 11:59:54,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 96 transitions, 198 flow. Second operand has 2 states, 2 states have (on average 71.0) internal successors, (142), 2 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:54,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:59:54,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 98 [2023-11-26 11:59:54,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:59:54,743 INFO L124 PetriNetUnfolderBase]: 60/227 cut-off events. [2023-11-26 11:59:54,743 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-26 11:59:54,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 353 conditions, 227 events. 60/227 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 984 event pairs, 60 based on Foata normal form. 16/220 useless extension candidates. Maximal degree in co-relation 327. Up to 113 conditions per place. [2023-11-26 11:59:54,751 INFO L140 encePairwiseOnDemand]: 81/98 looper letters, 10 selfloop transitions, 0 changer transitions 0/76 dead transitions. [2023-11-26 11:59:54,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 76 transitions, 178 flow [2023-11-26 11:59:54,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:59:54,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-26 11:59:54,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 167 transitions. [2023-11-26 11:59:54,764 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8520408163265306 [2023-11-26 11:59:54,765 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 167 transitions. [2023-11-26 11:59:54,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 167 transitions. [2023-11-26 11:59:54,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:54,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 167 transitions. [2023-11-26 11:59:54,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 83.5) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:54,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:54,777 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:54,779 INFO L175 Difference]: Start difference. First operand has 100 places, 96 transitions, 198 flow. Second operand 2 states and 167 transitions. [2023-11-26 11:59:54,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 76 transitions, 178 flow [2023-11-26 11:59:54,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 76 transitions, 176 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:59:54,788 INFO L231 Difference]: Finished difference. Result has 82 places, 76 transitions, 156 flow [2023-11-26 11:59:54,790 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=156, PETRI_PLACES=82, PETRI_TRANSITIONS=76} [2023-11-26 11:59:54,794 INFO L281 CegarLoopForPetriNet]: 100 programPoint places, -18 predicate places. [2023-11-26 11:59:54,795 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 76 transitions, 156 flow [2023-11-26 11:59:54,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 71.0) internal successors, (142), 2 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:54,795 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:59:54,796 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] [2023-11-26 11:59:54,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:59:54,796 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-11-26 11:59:54,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:54,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1928612528, now seen corresponding path program 1 times [2023-11-26 11:59:54,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:54,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717416042] [2023-11-26 11:59:54,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:54,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:54,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:59:54,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:54,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717416042] [2023-11-26 11:59:54,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717416042] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:54,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:54,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:59:54,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400276084] [2023-11-26 11:59:54,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:54,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:59:54,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:54,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:59:54,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:59:54,953 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 98 [2023-11-26 11:59:54,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 76 transitions, 156 flow. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:54,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:59:54,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 98 [2023-11-26 11:59:54,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:59:55,106 INFO L124 PetriNetUnfolderBase]: 108/708 cut-off events. [2023-11-26 11:59:55,106 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:59:55,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 913 conditions, 708 events. 108/708 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4596 event pairs, 36 based on Foata normal form. 0/655 useless extension candidates. Maximal degree in co-relation 910. Up to 120 conditions per place. [2023-11-26 11:59:55,115 INFO L140 encePairwiseOnDemand]: 96/98 looper letters, 17 selfloop transitions, 1 changer transitions 0/81 dead transitions. [2023-11-26 11:59:55,115 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 81 transitions, 202 flow [2023-11-26 11:59:55,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:59:55,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:59:55,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 220 transitions. [2023-11-26 11:59:55,118 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7482993197278912 [2023-11-26 11:59:55,119 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 220 transitions. [2023-11-26 11:59:55,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 220 transitions. [2023-11-26 11:59:55,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:55,120 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 220 transitions. [2023-11-26 11:59:55,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:55,124 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:55,124 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:55,125 INFO L175 Difference]: Start difference. First operand has 82 places, 76 transitions, 156 flow. Second operand 3 states and 220 transitions. [2023-11-26 11:59:55,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 81 transitions, 202 flow [2023-11-26 11:59:55,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 81 transitions, 202 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:59:55,128 INFO L231 Difference]: Finished difference. Result has 83 places, 75 transitions, 156 flow [2023-11-26 11:59:55,129 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=83, PETRI_TRANSITIONS=75} [2023-11-26 11:59:55,130 INFO L281 CegarLoopForPetriNet]: 100 programPoint places, -17 predicate places. [2023-11-26 11:59:55,130 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 75 transitions, 156 flow [2023-11-26 11:59:55,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:55,130 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:59:55,131 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] [2023-11-26 11:59:55,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:59:55,131 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-11-26 11:59:55,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:55,132 INFO L85 PathProgramCache]: Analyzing trace with hash 439805758, now seen corresponding path program 1 times [2023-11-26 11:59:55,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:55,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248854975] [2023-11-26 11:59:55,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:55,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:55,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:59:55,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:55,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248854975] [2023-11-26 11:59:55,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248854975] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:55,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:55,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:59:55,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515351980] [2023-11-26 11:59:55,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:55,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:59:55,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:55,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:59:55,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:59:55,248 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 98 [2023-11-26 11:59:55,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 75 transitions, 156 flow. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:55,249 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:59:55,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 98 [2023-11-26 11:59:55,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:59:55,423 INFO L124 PetriNetUnfolderBase]: 108/558 cut-off events. [2023-11-26 11:59:55,423 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:59:55,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 765 conditions, 558 events. 108/558 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3380 event pairs, 60 based on Foata normal form. 0/522 useless extension candidates. Maximal degree in co-relation 761. Up to 113 conditions per place. [2023-11-26 11:59:55,426 INFO L140 encePairwiseOnDemand]: 96/98 looper letters, 0 selfloop transitions, 0 changer transitions 80/80 dead transitions. [2023-11-26 11:59:55,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 80 transitions, 202 flow [2023-11-26 11:59:55,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:59:55,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:59:55,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 220 transitions. [2023-11-26 11:59:55,431 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7482993197278912 [2023-11-26 11:59:55,432 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 220 transitions. [2023-11-26 11:59:55,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 220 transitions. [2023-11-26 11:59:55,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:55,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 220 transitions. [2023-11-26 11:59:55,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:55,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:55,439 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:55,439 INFO L175 Difference]: Start difference. First operand has 83 places, 75 transitions, 156 flow. Second operand 3 states and 220 transitions. [2023-11-26 11:59:55,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 80 transitions, 202 flow [2023-11-26 11:59:55,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 80 transitions, 201 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:59:55,443 INFO L231 Difference]: Finished difference. Result has 83 places, 0 transitions, 0 flow [2023-11-26 11:59:55,444 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=83, PETRI_TRANSITIONS=0} [2023-11-26 11:59:55,445 INFO L281 CegarLoopForPetriNet]: 100 programPoint places, -17 predicate places. [2023-11-26 11:59:55,446 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 0 transitions, 0 flow [2023-11-26 11:59:55,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:55,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2023-11-26 11:59:55,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2023-11-26 11:59:55,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2023-11-26 11:59:55,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2023-11-26 11:59:55,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2023-11-26 11:59:55,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2023-11-26 11:59:55,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2023-11-26 11:59:55,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2023-11-26 11:59:55,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2023-11-26 11:59:55,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2023-11-26 11:59:55,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2023-11-26 11:59:55,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2023-11-26 11:59:55,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2023-11-26 11:59:55,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2023-11-26 11:59:55,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2023-11-26 11:59:55,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2023-11-26 11:59:55,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 27 remaining) [2023-11-26 11:59:55,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 27 remaining) [2023-11-26 11:59:55,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2023-11-26 11:59:55,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2023-11-26 11:59:55,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2023-11-26 11:59:55,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2023-11-26 11:59:55,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2023-11-26 11:59:55,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2023-11-26 11:59:55,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2023-11-26 11:59:55,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2023-11-26 11:59:55,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2023-11-26 11:59:55,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:59:55,470 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-26 11:59:55,479 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 11:59:55,479 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:59:55,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:59:55 BasicIcfg [2023-11-26 11:59:55,486 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:59:55,487 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:59:55,487 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:59:55,487 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:59:55,488 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:54" (3/4) ... [2023-11-26 11:59:55,492 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:59:55,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-26 11:59:55,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-26 11:59:55,502 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-26 11:59:55,502 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-26 11:59:55,503 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-26 11:59:55,503 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:59:55,613 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9515de0-9a10-4a0a-8e2c-fb733a66d0a3/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:59:55,613 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9515de0-9a10-4a0a-8e2c-fb733a66d0a3/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:59:55,613 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:59:55,614 INFO L158 Benchmark]: Toolchain (without parser) took 2979.93ms. Allocated memory was 167.8MB in the beginning and 220.2MB in the end (delta: 52.4MB). Free memory was 119.7MB in the beginning and 165.1MB in the end (delta: -45.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2023-11-26 11:59:55,615 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 167.8MB. Free memory is still 110.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:59:55,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.15ms. Allocated memory is still 167.8MB. Free memory was 119.4MB in the beginning and 99.0MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-26 11:59:55,615 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.80ms. Allocated memory is still 167.8MB. Free memory was 99.0MB in the beginning and 96.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:59:55,616 INFO L158 Benchmark]: Boogie Preprocessor took 55.93ms. Allocated memory is still 167.8MB. Free memory was 96.9MB in the beginning and 95.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:59:55,616 INFO L158 Benchmark]: RCFGBuilder took 668.00ms. Allocated memory is still 167.8MB. Free memory was 95.3MB in the beginning and 72.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-26 11:59:55,617 INFO L158 Benchmark]: TraceAbstraction took 1477.56ms. Allocated memory was 167.8MB in the beginning and 220.2MB in the end (delta: 52.4MB). Free memory was 71.8MB in the beginning and 169.2MB in the end (delta: -97.5MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-11-26 11:59:55,617 INFO L158 Benchmark]: Witness Printer took 126.39ms. Allocated memory is still 220.2MB. Free memory was 169.2MB in the beginning and 165.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:59:55,619 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 167.8MB. Free memory is still 110.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 555.15ms. Allocated memory is still 167.8MB. Free memory was 119.4MB in the beginning and 99.0MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.80ms. Allocated memory is still 167.8MB. Free memory was 99.0MB in the beginning and 96.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.93ms. Allocated memory is still 167.8MB. Free memory was 96.9MB in the beginning and 95.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 668.00ms. Allocated memory is still 167.8MB. Free memory was 95.3MB in the beginning and 72.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1477.56ms. Allocated memory was 167.8MB in the beginning and 220.2MB in the end (delta: 52.4MB). Free memory was 71.8MB in the beginning and 169.2MB in the end (delta: -97.5MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Witness Printer took 126.39ms. Allocated memory is still 220.2MB. Free memory was 169.2MB in the beginning and 165.1MB 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: 720]: 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: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 767]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 771]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 771]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 771]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 773]: 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, 124 locations, 27 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 94 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 11:59:55,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9515de0-9a10-4a0a-8e2c-fb733a66d0a3/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE