./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/10_fmaxsym_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ca1d0-f3cf-46e2-8065-b927b6b854cd/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ca1d0-f3cf-46e2-8065-b927b6b854cd/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ca1d0-f3cf-46e2-8065-b927b6b854cd/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ca1d0-f3cf-46e2-8065-b927b6b854cd/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/10_fmaxsym_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ca1d0-f3cf-46e2-8065-b927b6b854cd/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ca1d0-f3cf-46e2-8065-b927b6b854cd/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a11d0cba01cb66911cac56797cb36d325dc008752ffb55c25c965bd0644c21c3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:35:53,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:35:53,924 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ca1d0-f3cf-46e2-8065-b927b6b854cd/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-14 03:35:53,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:35:53,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:35:53,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:35:53,958 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:35:53,958 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:35:53,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:35:53,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:35:53,963 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:35:53,963 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:35:53,963 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:35:53,963 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:35:53,963 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:35:53,963 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:35:53,964 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:35:53,964 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:35:53,964 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:35:53,964 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:35:53,964 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:35:53,964 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:35:53,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:35:53,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:35:53,965 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:35:53,965 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:35:53,965 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:35:53,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:35:53,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:35:53,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:35:53,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:35:53,965 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-14 03:35:53,965 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:35:53,965 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 03:35:53,966 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:35:53,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:35:53,966 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:35:53,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:35:53,966 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:35:53,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:35:53,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:35:53,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:35:53,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:35:53,968 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:35:53,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:35:53,969 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:35:53,969 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:35:53,969 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:35:53,969 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_af3ca1d0-f3cf-46e2-8065-b927b6b854cd/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> a11d0cba01cb66911cac56797cb36d325dc008752ffb55c25c965bd0644c21c3 [2024-11-14 03:35:54,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:35:54,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:35:54,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:35:54,331 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:35:54,331 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:35:54,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ca1d0-f3cf-46e2-8065-b927b6b854cd/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/pthread-ext/10_fmaxsym_cas.i Unable to find full path for "g++" [2024-11-14 03:35:56,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:35:56,980 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:35:56,981 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ca1d0-f3cf-46e2-8065-b927b6b854cd/sv-benchmarks/c/pthread-ext/10_fmaxsym_cas.i [2024-11-14 03:35:57,007 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ca1d0-f3cf-46e2-8065-b927b6b854cd/bin/utaipan-verify-sOmjnqqW8E/data/24573e12f/45503d08ca734f6aa5bc886525f37569/FLAGc95979a7d [2024-11-14 03:35:57,034 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ca1d0-f3cf-46e2-8065-b927b6b854cd/bin/utaipan-verify-sOmjnqqW8E/data/24573e12f/45503d08ca734f6aa5bc886525f37569 [2024-11-14 03:35:57,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:35:57,039 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:35:57,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:35:57,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:35:57,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:35:57,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:35:57" (1/1) ... [2024-11-14 03:35:57,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a93d5ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:35:57, skipping insertion in model container [2024-11-14 03:35:57,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:35:57" (1/1) ... [2024-11-14 03:35:57,099 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:35:57,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:35:57,700 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:35:57,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:35:57,850 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:35:57,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:35:57 WrapperNode [2024-11-14 03:35:57,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:35:57,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:35:57,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:35:57,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:35:57,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:35:57" (1/1) ... [2024-11-14 03:35:57,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:35:57" (1/1) ... [2024-11-14 03:35:57,932 INFO L138 Inliner]: procedures = 170, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 139 [2024-11-14 03:35:57,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:35:57,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:35:57,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:35:57,940 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:35:57,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:35:57" (1/1) ... [2024-11-14 03:35:57,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:35:57" (1/1) ... [2024-11-14 03:35:57,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:35:57" (1/1) ... [2024-11-14 03:35:57,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:35:57" (1/1) ... [2024-11-14 03:35:57,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:35:57" (1/1) ... [2024-11-14 03:35:57,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:35:57" (1/1) ... [2024-11-14 03:35:57,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:35:57" (1/1) ... [2024-11-14 03:35:57,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:35:57" (1/1) ... [2024-11-14 03:35:57,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:35:57,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:35:57,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:35:57,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:35:57,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:35:57" (1/1) ... [2024-11-14 03:35:58,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:35:58,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ca1d0-f3cf-46e2-8065-b927b6b854cd/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:35:58,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ca1d0-f3cf-46e2-8065-b927b6b854cd/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:35:58,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ca1d0-f3cf-46e2-8065-b927b6b854cd/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:35:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:35:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-14 03:35:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-14 03:35:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:35:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:35:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 03:35:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 03:35:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:35:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:35:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:35:58,095 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 03:35:58,265 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:35:58,268 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:35:58,799 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 03:35:58,799 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:35:59,082 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:35:59,082 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-14 03:35:59,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:35:59 BoogieIcfgContainer [2024-11-14 03:35:59,083 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:35:59,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:35:59,089 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:35:59,099 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:35:59,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:35:57" (1/3) ... [2024-11-14 03:35:59,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f95a353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:35:59, skipping insertion in model container [2024-11-14 03:35:59,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:35:57" (2/3) ... [2024-11-14 03:35:59,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f95a353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:35:59, skipping insertion in model container [2024-11-14 03:35:59,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:35:59" (3/3) ... [2024-11-14 03:35:59,102 INFO L112 eAbstractionObserver]: Analyzing ICFG 10_fmaxsym_cas.i [2024-11-14 03:35:59,125 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:35:59,127 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 10_fmaxsym_cas.i that has 2 procedures, 112 locations, 1 initial locations, 3 loop locations, and 8 error locations. [2024-11-14 03:35:59,128 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 03:35:59,273 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 03:35:59,327 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 115 places, 122 transitions, 248 flow [2024-11-14 03:35:59,479 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 969 states, 952 states have (on average 2.0987394957983194) internal successors, (1998), 968 states have internal predecessors, (1998), 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) [2024-11-14 03:35:59,510 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:35:59,530 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@5dc4c2e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:35:59,530 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-11-14 03:35:59,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 969 states, 952 states have (on average 2.0987394957983194) internal successors, (1998), 968 states have internal predecessors, (1998), 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) [2024-11-14 03:35:59,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-14 03:35:59,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:35:59,546 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:35:59,547 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-14 03:35:59,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:35:59,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1078552661, now seen corresponding path program 1 times [2024-11-14 03:35:59,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:35:59,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934294272] [2024-11-14 03:35:59,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:35:59,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:35:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:35:59,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:35:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:35:59,777 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:35:59,782 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:35:59,784 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 17 remaining) [2024-11-14 03:35:59,787 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2024-11-14 03:35:59,787 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2024-11-14 03:35:59,787 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2024-11-14 03:35:59,787 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 17 remaining) [2024-11-14 03:35:59,788 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2024-11-14 03:35:59,789 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2024-11-14 03:35:59,789 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining) [2024-11-14 03:35:59,789 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining) [2024-11-14 03:35:59,789 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining) [2024-11-14 03:35:59,789 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining) [2024-11-14 03:35:59,789 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2024-11-14 03:35:59,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2024-11-14 03:35:59,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2024-11-14 03:35:59,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2024-11-14 03:35:59,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2024-11-14 03:35:59,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2024-11-14 03:35:59,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:35:59,798 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:35:59,802 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-14 03:35:59,802 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-14 03:35:59,991 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 03:36:00,001 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 198 places, 212 transitions, 434 flow [2024-11-14 03:36:03,965 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 79424 states, 79255 states have (on average 3.191773389691502) internal successors, (252964), 79423 states have internal predecessors, (252964), 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) [2024-11-14 03:36:03,968 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:36:03,969 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@5dc4c2e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:36:03,969 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-11-14 03:36:04,185 INFO L276 IsEmpty]: Start isEmpty. Operand has 79424 states, 79255 states have (on average 3.191773389691502) internal successors, (252964), 79423 states have internal predecessors, (252964), 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) [2024-11-14 03:36:04,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-14 03:36:04,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:36:04,205 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:36:04,205 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-14 03:36:04,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:36:04,206 INFO L85 PathProgramCache]: Analyzing trace with hash 218641365, now seen corresponding path program 1 times [2024-11-14 03:36:04,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:36:04,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322367054] [2024-11-14 03:36:04,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:36:04,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:36:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:36:04,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:36:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:36:04,324 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:36:04,325 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:36:04,325 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 25 remaining) [2024-11-14 03:36:04,325 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2024-11-14 03:36:04,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2024-11-14 03:36:04,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2024-11-14 03:36:04,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2024-11-14 03:36:04,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2024-11-14 03:36:04,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2024-11-14 03:36:04,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2024-11-14 03:36:04,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2024-11-14 03:36:04,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2024-11-14 03:36:04,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2024-11-14 03:36:04,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2024-11-14 03:36:04,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining) [2024-11-14 03:36:04,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2024-11-14 03:36:04,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (10 of 25 remaining) [2024-11-14 03:36:04,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (9 of 25 remaining) [2024-11-14 03:36:04,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining) [2024-11-14 03:36:04,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2024-11-14 03:36:04,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2024-11-14 03:36:04,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2024-11-14 03:36:04,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2024-11-14 03:36:04,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2024-11-14 03:36:04,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2024-11-14 03:36:04,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2024-11-14 03:36:04,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2024-11-14 03:36:04,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 03:36:04,333 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:36:04,333 WARN L247 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-14 03:36:04,333 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-14 03:36:04,501 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 03:36:04,510 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 281 places, 302 transitions, 622 flow