./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe024_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 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_18c74af6-bbcb-4c5b-b132-d396ba4c177d/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c74af6-bbcb-4c5b-b132-d396ba4c177d/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c74af6-bbcb-4c5b-b132-d396ba4c177d/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c74af6-bbcb-4c5b-b132-d396ba4c177d/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe024_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c74af6-bbcb-4c5b-b132-d396ba4c177d/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c74af6-bbcb-4c5b-b132-d396ba4c177d/bin/uautomizer-verify-uTZkv6EMXl --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 f830c559346dfed293d38cb3f451f57bf45496349320c2696ae4150a4c0c44e9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:16:50,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:16:50,940 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c74af6-bbcb-4c5b-b132-d396ba4c177d/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-12 02:16:50,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:16:50,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:16:50,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:16:50,986 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:16:50,986 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:16:50,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:16:50,988 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:16:50,989 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:16:50,989 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:16:50,990 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:16:50,991 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:16:50,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:16:50,992 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:16:50,992 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:16:50,992 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:16:50,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:16:50,993 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:16:50,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:16:50,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:16:50,997 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 02:16:50,997 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:16:50,998 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:16:50,998 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:16:50,998 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:16:50,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:16:51,000 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:16:51,001 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:16:51,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:16:51,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:16:51,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:16:51,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:16:51,003 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:16:51,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:16:51,004 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:16:51,004 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:16:51,004 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:16:51,005 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:16:51,005 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:16:51,005 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_18c74af6-bbcb-4c5b-b132-d396ba4c177d/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c74af6-bbcb-4c5b-b132-d396ba4c177d/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f830c559346dfed293d38cb3f451f57bf45496349320c2696ae4150a4c0c44e9 [2023-11-12 02:16:51,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:16:51,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:16:51,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:16:51,343 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:16:51,344 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:16:51,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c74af6-bbcb-4c5b-b132-d396ba4c177d/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/pthread-wmm/safe024_tso.i [2023-11-12 02:16:54,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:16:54,773 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:16:54,773 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c74af6-bbcb-4c5b-b132-d396ba4c177d/sv-benchmarks/c/pthread-wmm/safe024_tso.i [2023-11-12 02:16:54,793 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c74af6-bbcb-4c5b-b132-d396ba4c177d/bin/uautomizer-verify-uTZkv6EMXl/data/20ab1234a/b4acf676e97948eeb0a73c9c6b11d0ac/FLAGd7ed20450 [2023-11-12 02:16:54,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c74af6-bbcb-4c5b-b132-d396ba4c177d/bin/uautomizer-verify-uTZkv6EMXl/data/20ab1234a/b4acf676e97948eeb0a73c9c6b11d0ac [2023-11-12 02:16:54,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:16:54,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:16:54,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:16:54,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:16:54,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:16:54,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:16:54" (1/1) ... [2023-11-12 02:16:54,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38578cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:54, skipping insertion in model container [2023-11-12 02:16:54,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:16:54" (1/1) ... [2023-11-12 02:16:54,868 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:16:55,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:16:55,299 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:16:55,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:16:55,412 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:16:55,412 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:16:55,420 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:16:55,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:55 WrapperNode [2023-11-12 02:16:55,421 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:16:55,422 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:16:55,423 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:16:55,423 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:16:55,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:55" (1/1) ... [2023-11-12 02:16:55,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:55" (1/1) ... [2023-11-12 02:16:55,494 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2023-11-12 02:16:55,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:16:55,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:16:55,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:16:55,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:16:55,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:55" (1/1) ... [2023-11-12 02:16:55,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:55" (1/1) ... [2023-11-12 02:16:55,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:55" (1/1) ... [2023-11-12 02:16:55,510 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:55" (1/1) ... [2023-11-12 02:16:55,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:55" (1/1) ... [2023-11-12 02:16:55,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:55" (1/1) ... [2023-11-12 02:16:55,522 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:55" (1/1) ... [2023-11-12 02:16:55,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:55" (1/1) ... [2023-11-12 02:16:55,527 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:16:55,528 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:16:55,528 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:16:55,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:16:55,529 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:55" (1/1) ... [2023-11-12 02:16:55,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:16:55,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c74af6-bbcb-4c5b-b132-d396ba4c177d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:16:55,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c74af6-bbcb-4c5b-b132-d396ba4c177d/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:16:55,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c74af6-bbcb-4c5b-b132-d396ba4c177d/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:16:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:16:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:16:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:16:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:16:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:16:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-12 02:16:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-12 02:16:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-12 02:16:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-12 02:16:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-12 02:16:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-12 02:16:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:16:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:16:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:16:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:16:55,638 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:16:55,842 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:16:55,843 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:16:56,159 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:16:56,344 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:16:56,345 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:16:56,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:16:56 BoogieIcfgContainer [2023-11-12 02:16:56,347 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:16:56,350 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:16:56,350 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:16:56,353 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:16:56,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:16:54" (1/3) ... [2023-11-12 02:16:56,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2f10c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:16:56, skipping insertion in model container [2023-11-12 02:16:56,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:55" (2/3) ... [2023-11-12 02:16:56,355 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2f10c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:16:56, skipping insertion in model container [2023-11-12 02:16:56,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:16:56" (3/3) ... [2023-11-12 02:16:56,356 INFO L112 eAbstractionObserver]: Analyzing ICFG safe024_tso.i [2023-11-12 02:16:56,365 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:16:56,377 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:16:56,377 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2023-11-12 02:16:56,378 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:16:56,458 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-12 02:16:56,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 127 places, 120 transitions, 252 flow [2023-11-12 02:16:56,550 INFO L124 PetriNetUnfolderBase]: 3/117 cut-off events. [2023-11-12 02:16:56,550 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:16:56,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 117 events. 3/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 129 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. [2023-11-12 02:16:56,557 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 120 transitions, 252 flow [2023-11-12 02:16:56,563 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 117 transitions, 243 flow [2023-11-12 02:16:56,567 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:16:56,577 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 117 transitions, 243 flow [2023-11-12 02:16:56,580 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 117 transitions, 243 flow [2023-11-12 02:16:56,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 117 transitions, 243 flow [2023-11-12 02:16:56,639 INFO L124 PetriNetUnfolderBase]: 3/117 cut-off events. [2023-11-12 02:16:56,647 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:16:56,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 117 events. 3/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 129 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. [2023-11-12 02:16:56,657 INFO L119 LiptonReduction]: Number of co-enabled transitions 4340 [2023-11-12 02:17:01,696 INFO L134 LiptonReduction]: Checked pairs total: 13131 [2023-11-12 02:17:01,697 INFO L136 LiptonReduction]: Total number of compositions: 114 [2023-11-12 02:17:01,724 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:17:01,732 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;@3de7f09, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:17:01,732 INFO L358 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2023-11-12 02:17:01,736 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:17:01,736 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-11-12 02:17:01,736 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:17:01,736 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:17:01,737 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-12 02:17:01,738 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2023-11-12 02:17:01,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:17:01,744 INFO L85 PathProgramCache]: Analyzing trace with hash 604261, now seen corresponding path program 1 times [2023-11-12 02:17:01,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:17:01,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89577144] [2023-11-12 02:17:01,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:17:01,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:17:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:01,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:17:01,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:17:01,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89577144] [2023-11-12 02:17:01,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89577144] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:17:01,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:17:01,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-12 02:17:01,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562474793] [2023-11-12 02:17:01,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:17:01,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:17:01,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:17:01,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:17:01,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:17:01,995 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 234 [2023-11-12 02:17:01,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 40 transitions, 89 flow. Second operand has 2 states, 2 states have (on average 82.5) internal successors, (165), 2 states have internal predecessors, (165), 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) [2023-11-12 02:17:01,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:17:01,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 234 [2023-11-12 02:17:01,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:17:02,148 INFO L124 PetriNetUnfolderBase]: 423/656 cut-off events. [2023-11-12 02:17:02,149 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-11-12 02:17:02,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1359 conditions, 656 events. 423/656 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2276 event pairs, 423 based on Foata normal form. 0/656 useless extension candidates. Maximal degree in co-relation 1348. Up to 657 conditions per place. [2023-11-12 02:17:02,155 INFO L140 encePairwiseOnDemand]: 211/234 looper letters, 0 selfloop transitions, 0 changer transitions 17/17 dead transitions. [2023-11-12 02:17:02,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 17 transitions, 77 flow [2023-11-12 02:17:02,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:17:02,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-12 02:17:02,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 202 transitions. [2023-11-12 02:17:02,169 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43162393162393164 [2023-11-12 02:17:02,170 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 202 transitions. [2023-11-12 02:17:02,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 202 transitions. [2023-11-12 02:17:02,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:17:02,174 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 202 transitions. [2023-11-12 02:17:02,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 101.0) internal successors, (202), 2 states have internal predecessors, (202), 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) [2023-11-12 02:17:02,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 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) [2023-11-12 02:17:02,182 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 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) [2023-11-12 02:17:02,184 INFO L175 Difference]: Start difference. First operand has 50 places, 40 transitions, 89 flow. Second operand 2 states and 202 transitions. [2023-11-12 02:17:02,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 17 transitions, 77 flow [2023-11-12 02:17:02,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 17 transitions, 74 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-12 02:17:02,188 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2023-11-12 02:17:02,190 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=234, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2023-11-12 02:17:02,194 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -25 predicate places. [2023-11-12 02:17:02,194 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2023-11-12 02:17:02,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 82.5) internal successors, (165), 2 states have internal predecessors, (165), 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) [2023-11-12 02:17:02,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (40 of 41 remaining) [2023-11-12 02:17:02,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (39 of 41 remaining) [2023-11-12 02:17:02,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (38 of 41 remaining) [2023-11-12 02:17:02,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (37 of 41 remaining) [2023-11-12 02:17:02,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (36 of 41 remaining) [2023-11-12 02:17:02,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (35 of 41 remaining) [2023-11-12 02:17:02,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (34 of 41 remaining) [2023-11-12 02:17:02,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (33 of 41 remaining) [2023-11-12 02:17:02,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (32 of 41 remaining) [2023-11-12 02:17:02,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (31 of 41 remaining) [2023-11-12 02:17:02,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (30 of 41 remaining) [2023-11-12 02:17:02,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (29 of 41 remaining) [2023-11-12 02:17:02,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (28 of 41 remaining) [2023-11-12 02:17:02,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (27 of 41 remaining) [2023-11-12 02:17:02,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (26 of 41 remaining) [2023-11-12 02:17:02,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 41 remaining) [2023-11-12 02:17:02,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 41 remaining) [2023-11-12 02:17:02,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 41 remaining) [2023-11-12 02:17:02,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 41 remaining) [2023-11-12 02:17:02,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 41 remaining) [2023-11-12 02:17:02,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 41 remaining) [2023-11-12 02:17:02,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (19 of 41 remaining) [2023-11-12 02:17:02,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 41 remaining) [2023-11-12 02:17:02,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 41 remaining) [2023-11-12 02:17:02,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 41 remaining) [2023-11-12 02:17:02,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 41 remaining) [2023-11-12 02:17:02,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (14 of 41 remaining) [2023-11-12 02:17:02,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (13 of 41 remaining) [2023-11-12 02:17:02,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (12 of 41 remaining) [2023-11-12 02:17:02,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (11 of 41 remaining) [2023-11-12 02:17:02,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (10 of 41 remaining) [2023-11-12 02:17:02,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (9 of 41 remaining) [2023-11-12 02:17:02,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (8 of 41 remaining) [2023-11-12 02:17:02,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (7 of 41 remaining) [2023-11-12 02:17:02,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (6 of 41 remaining) [2023-11-12 02:17:02,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (5 of 41 remaining) [2023-11-12 02:17:02,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (4 of 41 remaining) [2023-11-12 02:17:02,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (3 of 41 remaining) [2023-11-12 02:17:02,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (2 of 41 remaining) [2023-11-12 02:17:02,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (1 of 41 remaining) [2023-11-12 02:17:02,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (0 of 41 remaining) [2023-11-12 02:17:02,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:17:02,209 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 02:17:02,215 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 02:17:02,216 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:17:02,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:17:02 BasicIcfg [2023-11-12 02:17:02,221 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:17:02,221 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:17:02,221 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:17:02,221 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:17:02,222 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:16:56" (3/4) ... [2023-11-12 02:17:02,224 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:17:02,226 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-12 02:17:02,227 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-12 02:17:02,227 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-12 02:17:02,235 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 75 nodes and edges [2023-11-12 02:17:02,235 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2023-11-12 02:17:02,236 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-12 02:17:02,236 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:17:02,346 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c74af6-bbcb-4c5b-b132-d396ba4c177d/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:17:02,347 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c74af6-bbcb-4c5b-b132-d396ba4c177d/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:17:02,347 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:17:02,348 INFO L158 Benchmark]: Toolchain (without parser) took 7535.29ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 105.4MB in the beginning and 86.9MB in the end (delta: 18.5MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2023-11-12 02:17:02,348 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:17:02,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 607.26ms. Allocated memory is still 148.9MB. Free memory was 105.1MB in the beginning and 84.5MB in the end (delta: 20.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:17:02,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.05ms. Allocated memory is still 148.9MB. Free memory was 84.1MB in the beginning and 82.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:17:02,349 INFO L158 Benchmark]: Boogie Preprocessor took 31.44ms. Allocated memory is still 148.9MB. Free memory was 82.0MB in the beginning and 80.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:17:02,351 INFO L158 Benchmark]: RCFGBuilder took 819.61ms. Allocated memory is still 148.9MB. Free memory was 80.4MB in the beginning and 94.8MB in the end (delta: -14.3MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-11-12 02:17:02,352 INFO L158 Benchmark]: TraceAbstraction took 5870.72ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 94.2MB in the beginning and 93.2MB in the end (delta: 983.9kB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2023-11-12 02:17:02,352 INFO L158 Benchmark]: Witness Printer took 126.11ms. Allocated memory is still 192.9MB. Free memory was 92.2MB in the beginning and 86.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:17:02,355 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 607.26ms. Allocated memory is still 148.9MB. Free memory was 105.1MB in the beginning and 84.5MB in the end (delta: 20.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.05ms. Allocated memory is still 148.9MB. Free memory was 84.1MB in the beginning and 82.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.44ms. Allocated memory is still 148.9MB. Free memory was 82.0MB in the beginning and 80.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 819.61ms. Allocated memory is still 148.9MB. Free memory was 80.4MB in the beginning and 94.8MB in the end (delta: -14.3MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5870.72ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 94.2MB in the beginning and 93.2MB in the end (delta: 983.9kB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * Witness Printer took 126.11ms. Allocated memory is still 192.9MB. Free memory was 92.2MB in the beginning and 86.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.1s, 124 PlacesBefore, 50 PlacesAfterwards, 117 TransitionsBefore, 40 TransitionsAfterwards, 4340 CoEnabledTransitionPairs, 6 FixpointIterations, 20 TrivialSequentialCompositions, 80 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 3 ChoiceCompositions, 114 TotalNumberOfCompositions, 13131 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6945, independent: 6713, independent conditional: 0, independent unconditional: 6713, dependent: 232, dependent conditional: 0, dependent unconditional: 232, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2485, independent: 2429, independent conditional: 0, independent unconditional: 2429, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6945, independent: 4284, independent conditional: 0, independent unconditional: 4284, dependent: 176, dependent conditional: 0, dependent unconditional: 176, unknown: 2485, unknown conditional: 0, unknown unconditional: 2485] , Statistics on independence cache: Total cache size (in pairs): 239, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 732]: 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: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 744]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: 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: 752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 762]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 762]: 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: 767]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 795]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 795]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 795]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 795]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 797]: 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 7 procedures, 157 locations, 41 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: 5.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 23 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 02:17:02,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c74af6-bbcb-4c5b-b132-d396ba4c177d/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE