./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.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_6fefeca9-e751-4eda-adf2-a842b5609c3d/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fefeca9-e751-4eda-adf2-a842b5609c3d/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fefeca9-e751-4eda-adf2-a842b5609c3d/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fefeca9-e751-4eda-adf2-a842b5609c3d/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fefeca9-e751-4eda-adf2-a842b5609c3d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fefeca9-e751-4eda-adf2-a842b5609c3d/bin/utaipan-verify-nQ1chXbOIh --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 a138099a172ffd618c200f98f002dd42af622d442f084454d63ab9b76b3cf563 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 08:27:13,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 08:27:13,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fefeca9-e751-4eda-adf2-a842b5609c3d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-12-02 08:27:13,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 08:27:13,325 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 08:27:13,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 08:27:13,347 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 08:27:13,348 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 08:27:13,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 08:27:13,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 08:27:13,349 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 08:27:13,350 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 08:27:13,350 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 08:27:13,351 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 08:27:13,351 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 08:27:13,352 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 08:27:13,352 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 08:27:13,353 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 08:27:13,353 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 08:27:13,354 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 08:27:13,354 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 08:27:13,355 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 08:27:13,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 08:27:13,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 08:27:13,356 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 08:27:13,357 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 08:27:13,357 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 08:27:13,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 08:27:13,358 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 08:27:13,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 08:27:13,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 08:27:13,359 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-12-02 08:27:13,359 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 08:27:13,359 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 08:27:13,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 08:27:13,359 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 08:27:13,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 08:27:13,360 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 08:27:13,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:27:13,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 08:27:13,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 08:27:13,361 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 08:27:13,361 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 08:27:13,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 08:27:13,361 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 08:27:13,361 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 08:27:13,362 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 08:27:13,362 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 08:27:13,362 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_6fefeca9-e751-4eda-adf2-a842b5609c3d/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fefeca9-e751-4eda-adf2-a842b5609c3d/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a138099a172ffd618c200f98f002dd42af622d442f084454d63ab9b76b3cf563 [2023-12-02 08:27:13,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 08:27:13,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 08:27:13,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 08:27:13,614 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 08:27:13,614 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 08:27:13,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fefeca9-e751-4eda-adf2-a842b5609c3d/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i [2023-12-02 08:27:16,349 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 08:27:16,584 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 08:27:16,584 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fefeca9-e751-4eda-adf2-a842b5609c3d/sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i [2023-12-02 08:27:16,601 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fefeca9-e751-4eda-adf2-a842b5609c3d/bin/utaipan-verify-nQ1chXbOIh/data/5168cc5d4/4066a148e55e4235a70b71f7c261ecbe/FLAG967ad80d2 [2023-12-02 08:27:16,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fefeca9-e751-4eda-adf2-a842b5609c3d/bin/utaipan-verify-nQ1chXbOIh/data/5168cc5d4/4066a148e55e4235a70b71f7c261ecbe [2023-12-02 08:27:16,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 08:27:16,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 08:27:16,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 08:27:16,621 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 08:27:16,626 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 08:27:16,627 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:27:16" (1/1) ... [2023-12-02 08:27:16,628 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300e2c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:16, skipping insertion in model container [2023-12-02 08:27:16,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:27:16" (1/1) ... [2023-12-02 08:27:16,684 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 08:27:17,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:27:17,087 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 08:27:17,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:27:17,192 INFO L206 MainTranslator]: Completed translation [2023-12-02 08:27:17,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:17 WrapperNode [2023-12-02 08:27:17,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 08:27:17,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 08:27:17,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 08:27:17,194 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 08:27:17,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:17" (1/1) ... [2023-12-02 08:27:17,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:17" (1/1) ... [2023-12-02 08:27:17,243 INFO L138 Inliner]: procedures = 262, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2023-12-02 08:27:17,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 08:27:17,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 08:27:17,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 08:27:17,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 08:27:17,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:17" (1/1) ... [2023-12-02 08:27:17,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:17" (1/1) ... [2023-12-02 08:27:17,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:17" (1/1) ... [2023-12-02 08:27:17,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:17" (1/1) ... [2023-12-02 08:27:17,268 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:17" (1/1) ... [2023-12-02 08:27:17,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:17" (1/1) ... [2023-12-02 08:27:17,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:17" (1/1) ... [2023-12-02 08:27:17,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:17" (1/1) ... [2023-12-02 08:27:17,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 08:27:17,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 08:27:17,278 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 08:27:17,278 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 08:27:17,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:17" (1/1) ... [2023-12-02 08:27:17,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:27:17,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fefeca9-e751-4eda-adf2-a842b5609c3d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:27:17,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fefeca9-e751-4eda-adf2-a842b5609c3d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 08:27:17,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fefeca9-e751-4eda-adf2-a842b5609c3d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 08:27:17,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 08:27:17,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 08:27:17,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 08:27:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 08:27:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 08:27:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-12-02 08:27:17,341 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-12-02 08:27:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 08:27:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 08:27:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 08:27:17,343 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 08:27:17,478 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 08:27:17,481 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 08:27:17,621 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 08:27:17,631 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 08:27:17,632 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 08:27:17,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:27:17 BoogieIcfgContainer [2023-12-02 08:27:17,633 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 08:27:17,636 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 08:27:17,636 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 08:27:17,639 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 08:27:17,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:27:16" (1/3) ... [2023-12-02 08:27:17,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1883ac97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:27:17, skipping insertion in model container [2023-12-02 08:27:17,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:17" (2/3) ... [2023-12-02 08:27:17,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1883ac97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:27:17, skipping insertion in model container [2023-12-02 08:27:17,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:27:17" (3/3) ... [2023-12-02 08:27:17,642 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_15-fldunknown_access.i [2023-12-02 08:27:17,651 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 08:27:17,658 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 08:27:17,659 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-12-02 08:27:17,659 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 08:27:17,708 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-02 08:27:17,734 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75 places, 72 transitions, 148 flow [2023-12-02 08:27:17,786 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 605 states, 597 states have (on average 1.9078726968174204) internal successors, (1139), 604 states have internal predecessors, (1139), 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) [2023-12-02 08:27:17,800 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 08:27:17,805 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=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;@7d19e640, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 08:27:17,805 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-12-02 08:27:17,808 INFO L276 IsEmpty]: Start isEmpty. Operand has 605 states, 597 states have (on average 1.9078726968174204) internal successors, (1139), 604 states have internal predecessors, (1139), 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) [2023-12-02 08:27:17,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 08:27:17,814 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:27:17,814 INFO L195 NwaCegarLoop]: 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] [2023-12-02 08:27:17,815 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-12-02 08:27:17,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:27:17,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1813377467, now seen corresponding path program 1 times [2023-12-02 08:27:17,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:27:17,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557258884] [2023-12-02 08:27:17,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:27:17,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:27:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:27:18,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 08:27:18,483 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:27:18,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557258884] [2023-12-02 08:27:18,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557258884] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:27:18,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:27:18,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 08:27:18,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637164888] [2023-12-02 08:27:18,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:27:18,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 08:27:18,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:27:18,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 08:27:18,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 08:27:18,522 INFO L87 Difference]: Start difference. First operand has 605 states, 597 states have (on average 1.9078726968174204) internal successors, (1139), 604 states have internal predecessors, (1139), 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) Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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) [2023-12-02 08:27:18,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:27:18,780 INFO L93 Difference]: Finished difference Result 712 states and 1345 transitions. [2023-12-02 08:27:18,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 08:27:18,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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) Word has length 27 [2023-12-02 08:27:18,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:27:18,799 INFO L225 Difference]: With dead ends: 712 [2023-12-02 08:27:18,799 INFO L226 Difference]: Without dead ends: 712 [2023-12-02 08:27:18,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 08:27:18,804 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 88 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 08:27:18,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 247 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 08:27:18,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2023-12-02 08:27:18,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 652. [2023-12-02 08:27:18,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 645 states have (on average 1.9054263565891474) internal successors, (1229), 651 states have internal predecessors, (1229), 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) [2023-12-02 08:27:18,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 1229 transitions. [2023-12-02 08:27:18,901 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 1229 transitions. Word has length 27 [2023-12-02 08:27:18,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:27:18,902 INFO L495 AbstractCegarLoop]: Abstraction has 652 states and 1229 transitions. [2023-12-02 08:27:18,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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) [2023-12-02 08:27:18,902 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 1229 transitions. [2023-12-02 08:27:18,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 08:27:18,903 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:27:18,904 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 08:27:18,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 08:27:18,904 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-12-02 08:27:18,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:27:18,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1225707865, now seen corresponding path program 1 times [2023-12-02 08:27:18,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:27:18,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193717626] [2023-12-02 08:27:18,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:27:18,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:27:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:27:19,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 08:27:19,190 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:27:19,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193717626] [2023-12-02 08:27:19,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193717626] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:27:19,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:27:19,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 08:27:19,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939902816] [2023-12-02 08:27:19,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:27:19,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 08:27:19,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:27:19,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 08:27:19,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 08:27:19,193 INFO L87 Difference]: Start difference. First operand 652 states and 1229 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2023-12-02 08:27:19,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:27:19,409 INFO L93 Difference]: Finished difference Result 729 states and 1375 transitions. [2023-12-02 08:27:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 08:27:19,410 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) Word has length 28 [2023-12-02 08:27:19,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:27:19,415 INFO L225 Difference]: With dead ends: 729 [2023-12-02 08:27:19,415 INFO L226 Difference]: Without dead ends: 729 [2023-12-02 08:27:19,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 08:27:19,418 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 56 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 08:27:19,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 232 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 08:27:19,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2023-12-02 08:27:19,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 685. [2023-12-02 08:27:19,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 678 states have (on average 1.9041297935103245) internal successors, (1291), 684 states have internal predecessors, (1291), 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) [2023-12-02 08:27:19,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 1291 transitions. [2023-12-02 08:27:19,445 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 1291 transitions. Word has length 28 [2023-12-02 08:27:19,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:27:19,446 INFO L495 AbstractCegarLoop]: Abstraction has 685 states and 1291 transitions. [2023-12-02 08:27:19,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2023-12-02 08:27:19,446 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1291 transitions. [2023-12-02 08:27:19,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 08:27:19,448 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:27:19,449 INFO L195 NwaCegarLoop]: 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] [2023-12-02 08:27:19,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 08:27:19,449 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-12-02 08:27:19,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:27:19,450 INFO L85 PathProgramCache]: Analyzing trace with hash 667258442, now seen corresponding path program 1 times [2023-12-02 08:27:19,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:27:19,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630009305] [2023-12-02 08:27:19,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:27:19,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:27:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:27:19,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 08:27:19,755 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:27:19,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630009305] [2023-12-02 08:27:19,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630009305] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:27:19,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:27:19,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 08:27:19,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63636059] [2023-12-02 08:27:19,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:27:19,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 08:27:19,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:27:19,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 08:27:19,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 08:27:19,758 INFO L87 Difference]: Start difference. First operand 685 states and 1291 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 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) [2023-12-02 08:27:19,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:27:19,957 INFO L93 Difference]: Finished difference Result 827 states and 1558 transitions. [2023-12-02 08:27:19,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 08:27:19,959 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 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) Word has length 35 [2023-12-02 08:27:19,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:27:19,965 INFO L225 Difference]: With dead ends: 827 [2023-12-02 08:27:19,965 INFO L226 Difference]: Without dead ends: 677 [2023-12-02 08:27:19,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 08:27:19,967 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 85 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 08:27:19,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 244 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 08:27:19,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2023-12-02 08:27:19,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 626. [2023-12-02 08:27:19,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 619 states have (on average 1.8723747980613894) internal successors, (1159), 625 states have internal predecessors, (1159), 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) [2023-12-02 08:27:19,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 1159 transitions. [2023-12-02 08:27:19,991 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 1159 transitions. Word has length 35 [2023-12-02 08:27:19,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:27:19,991 INFO L495 AbstractCegarLoop]: Abstraction has 626 states and 1159 transitions. [2023-12-02 08:27:19,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 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) [2023-12-02 08:27:19,992 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 1159 transitions. [2023-12-02 08:27:19,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 08:27:19,994 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:27:19,994 INFO L195 NwaCegarLoop]: 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] [2023-12-02 08:27:19,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 08:27:19,994 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-12-02 08:27:19,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:27:19,995 INFO L85 PathProgramCache]: Analyzing trace with hash -590289343, now seen corresponding path program 1 times [2023-12-02 08:27:19,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:27:19,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592983613] [2023-12-02 08:27:19,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:27:19,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:27:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:27:20,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 08:27:20,210 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:27:20,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592983613] [2023-12-02 08:27:20,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592983613] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:27:20,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:27:20,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 08:27:20,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970303481] [2023-12-02 08:27:20,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:27:20,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 08:27:20,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:27:20,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 08:27:20,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 08:27:20,213 INFO L87 Difference]: Start difference. First operand 626 states and 1159 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 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) [2023-12-02 08:27:20,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:27:20,351 INFO L93 Difference]: Finished difference Result 725 states and 1337 transitions. [2023-12-02 08:27:20,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 08:27:20,352 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 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) Word has length 36 [2023-12-02 08:27:20,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:27:20,356 INFO L225 Difference]: With dead ends: 725 [2023-12-02 08:27:20,357 INFO L226 Difference]: Without dead ends: 629 [2023-12-02 08:27:20,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 08:27:20,358 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 68 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 08:27:20,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 172 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 08:27:20,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2023-12-02 08:27:20,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 605. [2023-12-02 08:27:20,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 598 states have (on average 1.8377926421404682) internal successors, (1099), 604 states have internal predecessors, (1099), 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) [2023-12-02 08:27:20,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 1099 transitions. [2023-12-02 08:27:20,382 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 1099 transitions. Word has length 36 [2023-12-02 08:27:20,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:27:20,382 INFO L495 AbstractCegarLoop]: Abstraction has 605 states and 1099 transitions. [2023-12-02 08:27:20,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 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) [2023-12-02 08:27:20,383 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1099 transitions. [2023-12-02 08:27:20,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 08:27:20,384 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:27:20,385 INFO L195 NwaCegarLoop]: 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] [2023-12-02 08:27:20,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 08:27:20,385 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-12-02 08:27:20,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:27:20,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1498029945, now seen corresponding path program 1 times [2023-12-02 08:27:20,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:27:20,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468250225] [2023-12-02 08:27:20,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:27:20,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:27:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 08:27:20,411 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 08:27:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 08:27:20,447 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 08:27:20,447 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 08:27:20,448 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-12-02 08:27:20,450 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-12-02 08:27:20,451 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-12-02 08:27:20,451 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2023-12-02 08:27:20,451 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-12-02 08:27:20,451 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-12-02 08:27:20,451 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-12-02 08:27:20,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 08:27:20,455 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-02 08:27:20,461 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-02 08:27:20,461 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 08:27:20,484 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated [2023-12-02 08:27:20,486 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated [2023-12-02 08:27:20,486 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 08:27:20,486 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 08:27:20,487 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-12-02 08:27:20,487 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 08:27:20,487 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 08:27:20,487 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-12-02 08:27:20,488 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 08:27:20,488 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post31 could not be translated [2023-12-02 08:27:20,488 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 08:27:20,488 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-12-02 08:27:20,488 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post31 could not be translated [2023-12-02 08:27:20,489 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated [2023-12-02 08:27:20,489 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-12-02 08:27:20,489 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 08:27:20,489 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post31 could not be translated [2023-12-02 08:27:20,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:27:20 BasicIcfg [2023-12-02 08:27:20,496 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 08:27:20,497 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 08:27:20,497 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 08:27:20,497 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 08:27:20,497 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:27:17" (3/4) ... [2023-12-02 08:27:20,499 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 08:27:20,500 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 08:27:20,501 INFO L158 Benchmark]: Toolchain (without parser) took 3880.85ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 137.8MB in the beginning and 117.6MB in the end (delta: 20.2MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2023-12-02 08:27:20,501 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 08:27:20,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 572.03ms. Allocated memory is still 176.2MB. Free memory was 137.8MB in the beginning and 125.6MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 08:27:20,502 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.11ms. Allocated memory is still 176.2MB. Free memory was 125.3MB in the beginning and 123.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 08:27:20,502 INFO L158 Benchmark]: Boogie Preprocessor took 32.95ms. Allocated memory is still 176.2MB. Free memory was 123.2MB in the beginning and 121.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 08:27:20,503 INFO L158 Benchmark]: RCFGBuilder took 355.98ms. Allocated memory is still 176.2MB. Free memory was 121.4MB in the beginning and 106.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 08:27:20,503 INFO L158 Benchmark]: TraceAbstraction took 2859.93ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 106.4MB in the beginning and 118.7MB in the end (delta: -12.2MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2023-12-02 08:27:20,503 INFO L158 Benchmark]: Witness Printer took 3.56ms. Allocated memory is still 211.8MB. Free memory was 118.7MB in the beginning and 117.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 08:27:20,506 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 572.03ms. Allocated memory is still 176.2MB. Free memory was 137.8MB in the beginning and 125.6MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.11ms. Allocated memory is still 176.2MB. Free memory was 125.3MB in the beginning and 123.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.95ms. Allocated memory is still 176.2MB. Free memory was 123.2MB in the beginning and 121.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.98ms. Allocated memory is still 176.2MB. Free memory was 121.4MB in the beginning and 106.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2859.93ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 106.4MB in the beginning and 118.7MB in the end (delta: -12.2MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * Witness Printer took 3.56ms. Allocated memory is still 211.8MB. Free memory was 118.7MB in the beginning and 117.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post31 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 932]: Data race detected [2023-12-02 08:27:20,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated [2023-12-02 08:27:20,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated [2023-12-02 08:27:20,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 08:27:20,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 08:27:20,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-12-02 08:27:20,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 08:27:20,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 08:27:20,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-12-02 08:27:20,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 08:27:20,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post31 could not be translated [2023-12-02 08:27:20,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 08:27:20,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-12-02 08:27:20,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post31 could not be translated [2023-12-02 08:27:20,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated [2023-12-02 08:27:20,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 08:27:20,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-12-02 08:27:20,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post31 could not be translated [2023-12-02 08:27:20,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated [2023-12-02 08:27:20,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated [2023-12-02 08:27:20,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 08:27:20,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 08:27:20,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-12-02 08:27:20,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 08:27:20,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 08:27:20,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-12-02 08:27:20,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 08:27:20,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post31 could not be translated [2023-12-02 08:27:20,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 08:27:20,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-12-02 08:27:20,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post31 could not be translated [2023-12-02 08:27:20,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated [2023-12-02 08:27:20,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 08:27:20,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-12-02 08:27:20,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post31 could not be translated Data race detected The following path leads to a data race: [L918-L921] 0 struct { int x; int y; } data; VAL [data={1:0}] [L927] 0 int *i,j = __VERIFIER_nondet_int(); VAL [data={1:0}] [L927] 0 int *i,j = __VERIFIER_nondet_int(); VAL [data={1:0}, j=1] [L928] 0 pthread_t id; VAL [data={1:0}, id={5:0}, j=1] [L929] COND TRUE 0 \read(j) VAL [data={1:0}, id={5:0}, j=1] [L929] 0 i = &data.x VAL [data={1:0}, i={1:0}, id={5:0}, j=1] [L931] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] [L923] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}] [L932] EXPR 0 \read(*i) VAL [arg={0:0}, arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L932] 0 (*i)++ VAL [arg={0:0}, arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L932] 0 (*i)++ VAL [arg={0:0}, arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] [L932] 0 (*i)++ VAL [arg={0:0}, arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] Now there is a data race (on the heap) between C: data.x++ [923] and C: (*i)++ [932] - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 931]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 96 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 297 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 297 mSDsluCounter, 895 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 437 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 682 IncrementalHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 458 mSDtfsCounter, 682 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=685occurred in iteration=2, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 179 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 446 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 RESULT: Ultimate proved your program to be incorrect! [2023-12-02 08:27:20,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fefeca9-e751-4eda-adf2-a842b5609c3d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE