./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f534ee9-6fcf-4973-b4c6-a75867ce69bd/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f534ee9-6fcf-4973-b4c6-a75867ce69bd/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f534ee9-6fcf-4973-b4c6-a75867ce69bd/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f534ee9-6fcf-4973-b4c6-a75867ce69bd/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f534ee9-6fcf-4973-b4c6-a75867ce69bd/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f534ee9-6fcf-4973-b4c6-a75867ce69bd/bin/utaipan-verify-mE87zJ7Ire --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 9df11a052e2c7230e1edfb210274e89333c68b57c4137552a35d25fe623d9561 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:34:11,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:34:11,130 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f534ee9-6fcf-4973-b4c6-a75867ce69bd/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-23 20:34:11,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:34:11,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:34:11,179 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:34:11,180 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:34:11,181 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:34:11,182 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:34:11,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:34:11,188 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:34:11,189 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:34:11,189 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:34:11,191 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:34:11,192 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:34:11,192 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:34:11,193 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:34:11,193 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:34:11,194 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:34:11,194 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:34:11,195 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:34:11,196 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:34:11,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:34:11,197 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:34:11,198 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:34:11,198 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:34:11,199 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:34:11,199 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:34:11,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:34:11,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:34:11,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:34:11,202 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-23 20:34:11,202 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:34:11,203 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:34:11,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:34:11,203 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:34:11,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:34:11,204 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:34:11,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:11,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:34:11,205 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:34:11,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:34:11,206 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:34:11,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:34:11,207 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:34:11,208 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:34:11,208 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:34:11,208 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:34:11,208 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_6f534ee9-6fcf-4973-b4c6-a75867ce69bd/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f534ee9-6fcf-4973-b4c6-a75867ce69bd/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9df11a052e2c7230e1edfb210274e89333c68b57c4137552a35d25fe623d9561 [2023-11-23 20:34:11,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:34:11,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:34:11,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:34:11,519 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:34:11,520 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:34:11,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f534ee9-6fcf-4973-b4c6-a75867ce69bd/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i [2023-11-23 20:34:14,657 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:34:14,935 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:34:14,936 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f534ee9-6fcf-4973-b4c6-a75867ce69bd/sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i [2023-11-23 20:34:14,951 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f534ee9-6fcf-4973-b4c6-a75867ce69bd/bin/utaipan-verify-mE87zJ7Ire/data/bb0c9cb53/2d1a531ef0404afc8c1774ca29d8da56/FLAG21b111a23 [2023-11-23 20:34:14,966 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f534ee9-6fcf-4973-b4c6-a75867ce69bd/bin/utaipan-verify-mE87zJ7Ire/data/bb0c9cb53/2d1a531ef0404afc8c1774ca29d8da56 [2023-11-23 20:34:14,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:34:14,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:34:14,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:14,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:34:14,978 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:34:14,979 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:14" (1/1) ... [2023-11-23 20:34:14,980 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d31a0e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:14, skipping insertion in model container [2023-11-23 20:34:14,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:14" (1/1) ... [2023-11-23 20:34:15,028 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:34:15,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:15,415 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:34:15,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:15,541 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:34:15,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:15 WrapperNode [2023-11-23 20:34:15,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:15,543 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:15,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:34:15,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:34:15,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:15" (1/1) ... [2023-11-23 20:34:15,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:15" (1/1) ... [2023-11-23 20:34:15,592 INFO L138 Inliner]: procedures = 161, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2023-11-23 20:34:15,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:15,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:34:15,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:34:15,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:34:15,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:15" (1/1) ... [2023-11-23 20:34:15,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:15" (1/1) ... [2023-11-23 20:34:15,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:15" (1/1) ... [2023-11-23 20:34:15,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:15" (1/1) ... [2023-11-23 20:34:15,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:15" (1/1) ... [2023-11-23 20:34:15,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:15" (1/1) ... [2023-11-23 20:34:15,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:15" (1/1) ... [2023-11-23 20:34:15,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:15" (1/1) ... [2023-11-23 20:34:15,625 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:34:15,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:34:15,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:34:15,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:34:15,628 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:15" (1/1) ... [2023-11-23 20:34:15,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:15,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f534ee9-6fcf-4973-b4c6-a75867ce69bd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:34:15,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f534ee9-6fcf-4973-b4c6-a75867ce69bd/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:34:15,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f534ee9-6fcf-4973-b4c6-a75867ce69bd/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:34:15,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:34:15,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:34:15,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:34:15,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:34:15,720 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-23 20:34:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-23 20:34:15,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:34:15,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:34:15,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:34:15,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:34:15,723 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:34:15,848 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:34:15,850 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:34:16,092 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:34:16,102 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:34:16,102 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:34:16,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:16 BoogieIcfgContainer [2023-11-23 20:34:16,104 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:34:16,106 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:34:16,106 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:34:16,110 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:34:16,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:34:14" (1/3) ... [2023-11-23 20:34:16,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70cd1860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:16, skipping insertion in model container [2023-11-23 20:34:16,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:15" (2/3) ... [2023-11-23 20:34:16,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70cd1860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:16, skipping insertion in model container [2023-11-23 20:34:16,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:16" (3/3) ... [2023-11-23 20:34:16,113 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_08-glob_fld_2_rc.i [2023-11-23 20:34:16,122 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 20:34:16,132 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:34:16,132 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-23 20:34:16,132 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 20:34:16,207 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-23 20:34:16,242 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 102 places, 95 transitions, 198 flow [2023-11-23 20:34:16,901 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 15590 states, 15564 states have (on average 2.8713055769725004) internal successors, (44689), 15589 states have internal predecessors, (44689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:34:16,927 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:34:16,937 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;@3202aa7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:34:16,938 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-23 20:34:16,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 15590 states, 15564 states have (on average 2.8713055769725004) internal successors, (44689), 15589 states have internal predecessors, (44689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:34:16,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:34:16,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:17,000 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] [2023-11-23 20:34:17,002 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2023-11-23 20:34:17,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:17,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1237603022, now seen corresponding path program 1 times [2023-11-23 20:34:17,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:34:17,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054735424] [2023-11-23 20:34:17,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:17,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:34:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:17,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:34:17,970 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:34:17,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054735424] [2023-11-23 20:34:17,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054735424] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:34:17,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:34:17,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:34:17,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064543639] [2023-11-23 20:34:17,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:34:17,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:34:17,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:34:18,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:34:18,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:34:18,058 INFO L87 Difference]: Start difference. First operand has 15590 states, 15564 states have (on average 2.8713055769725004) internal successors, (44689), 15589 states have internal predecessors, (44689), 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 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:34:19,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:34:19,126 INFO L93 Difference]: Finished difference Result 25514 states and 73056 transitions. [2023-11-23 20:34:19,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:34:19,142 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 21 [2023-11-23 20:34:19,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:34:19,396 INFO L225 Difference]: With dead ends: 25514 [2023-11-23 20:34:19,396 INFO L226 Difference]: Without dead ends: 25514 [2023-11-23 20:34:19,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:34:19,401 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 237 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 20:34:19,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 372 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 20:34:19,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25514 states. [2023-11-23 20:34:20,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25514 to 18074. [2023-11-23 20:34:20,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18074 states, 18051 states have (on average 2.890920170627666) internal successors, (52184), 18073 states have internal predecessors, (52184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:34:20,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18074 states to 18074 states and 52184 transitions. [2023-11-23 20:34:20,625 INFO L78 Accepts]: Start accepts. Automaton has 18074 states and 52184 transitions. Word has length 21 [2023-11-23 20:34:20,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:34:20,626 INFO L495 AbstractCegarLoop]: Abstraction has 18074 states and 52184 transitions. [2023-11-23 20:34:20,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:34:20,626 INFO L276 IsEmpty]: Start isEmpty. Operand 18074 states and 52184 transitions. [2023-11-23 20:34:20,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:34:20,630 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:20,630 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] [2023-11-23 20:34:20,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:34:20,631 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2023-11-23 20:34:20,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:20,632 INFO L85 PathProgramCache]: Analyzing trace with hash 58602366, now seen corresponding path program 1 times [2023-11-23 20:34:20,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:34:20,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960698297] [2023-11-23 20:34:20,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:20,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:34:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:21,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:34:21,132 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:34:21,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960698297] [2023-11-23 20:34:21,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960698297] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:34:21,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:34:21,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:34:21,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828898793] [2023-11-23 20:34:21,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:34:21,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:34:21,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:34:21,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:34:21,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:34:21,136 INFO L87 Difference]: Start difference. First operand 18074 states and 52184 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) [2023-11-23 20:34:21,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:34:21,749 INFO L93 Difference]: Finished difference Result 17462 states and 50390 transitions. [2023-11-23 20:34:21,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:34:21,750 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 [2023-11-23 20:34:21,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:34:21,825 INFO L225 Difference]: With dead ends: 17462 [2023-11-23 20:34:21,825 INFO L226 Difference]: Without dead ends: 17462 [2023-11-23 20:34:21,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:34:21,827 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 120 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 20:34:21,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 300 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 20:34:21,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17462 states. [2023-11-23 20:34:22,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17462 to 17462. [2023-11-23 20:34:22,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17462 states, 17447 states have (on average 2.888175617584685) internal successors, (50390), 17461 states have internal predecessors, (50390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:34:22,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17462 states to 17462 states and 50390 transitions. [2023-11-23 20:34:22,483 INFO L78 Accepts]: Start accepts. Automaton has 17462 states and 50390 transitions. Word has length 28 [2023-11-23 20:34:22,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:34:22,484 INFO L495 AbstractCegarLoop]: Abstraction has 17462 states and 50390 transitions. [2023-11-23 20:34:22,484 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) [2023-11-23 20:34:22,485 INFO L276 IsEmpty]: Start isEmpty. Operand 17462 states and 50390 transitions. [2023-11-23 20:34:22,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:34:22,489 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:22,489 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] [2023-11-23 20:34:22,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 20:34:22,490 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2023-11-23 20:34:22,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:22,490 INFO L85 PathProgramCache]: Analyzing trace with hash 246847799, now seen corresponding path program 1 times [2023-11-23 20:34:22,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:34:22,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479385033] [2023-11-23 20:34:22,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:22,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:34:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:23,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:34:23,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:34:23,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479385033] [2023-11-23 20:34:23,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479385033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:34:23,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:34:23,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:34:23,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467212828] [2023-11-23 20:34:23,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:34:23,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:34:23,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:34:23,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:34:23,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:34:23,070 INFO L87 Difference]: Start difference. First operand 17462 states and 50390 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:34:23,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:34:23,696 INFO L93 Difference]: Finished difference Result 25534 states and 73363 transitions. [2023-11-23 20:34:23,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:34:23,699 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 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 29 [2023-11-23 20:34:23,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:34:23,793 INFO L225 Difference]: With dead ends: 25534 [2023-11-23 20:34:23,793 INFO L226 Difference]: Without dead ends: 24238 [2023-11-23 20:34:23,794 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 [2023-11-23 20:34:23,801 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 175 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 20:34:23,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 384 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 20:34:23,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24238 states. [2023-11-23 20:34:24,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24238 to 18609. [2023-11-23 20:34:24,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18609 states, 18594 states have (on average 2.8866300957298052) internal successors, (53674), 18608 states have internal predecessors, (53674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:34:24,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18609 states to 18609 states and 53674 transitions. [2023-11-23 20:34:24,469 INFO L78 Accepts]: Start accepts. Automaton has 18609 states and 53674 transitions. Word has length 29 [2023-11-23 20:34:24,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:34:24,470 INFO L495 AbstractCegarLoop]: Abstraction has 18609 states and 53674 transitions. [2023-11-23 20:34:24,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:34:24,471 INFO L276 IsEmpty]: Start isEmpty. Operand 18609 states and 53674 transitions. [2023-11-23 20:34:24,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:34:24,475 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:24,475 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] [2023-11-23 20:34:24,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 20:34:24,475 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2023-11-23 20:34:24,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:24,476 INFO L85 PathProgramCache]: Analyzing trace with hash -252473122, now seen corresponding path program 1 times [2023-11-23 20:34:24,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:34:24,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650801707] [2023-11-23 20:34:24,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:24,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:34:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:24,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:34:24,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:34:24,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650801707] [2023-11-23 20:34:24,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650801707] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:34:24,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:34:24,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:34:24,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64893151] [2023-11-23 20:34:24,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:34:24,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:34:24,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:34:24,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:34:24,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:34:24,966 INFO L87 Difference]: Start difference. First operand 18609 states and 53674 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) [2023-11-23 20:34:25,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:34:25,618 INFO L93 Difference]: Finished difference Result 25736 states and 73515 transitions. [2023-11-23 20:34:25,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:34:25,619 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 [2023-11-23 20:34:25,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:34:25,686 INFO L225 Difference]: With dead ends: 25736 [2023-11-23 20:34:25,686 INFO L226 Difference]: Without dead ends: 24440 [2023-11-23 20:34:25,686 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 [2023-11-23 20:34:25,697 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 151 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 20:34:25,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 395 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 20:34:25,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24440 states. [2023-11-23 20:34:26,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24440 to 19240. [2023-11-23 20:34:26,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19240 states, 19225 states have (on average 2.8687646293888167) internal successors, (55152), 19239 states have internal predecessors, (55152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:34:26,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19240 states to 19240 states and 55152 transitions. [2023-11-23 20:34:26,343 INFO L78 Accepts]: Start accepts. Automaton has 19240 states and 55152 transitions. Word has length 35 [2023-11-23 20:34:26,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:34:26,343 INFO L495 AbstractCegarLoop]: Abstraction has 19240 states and 55152 transitions. [2023-11-23 20:34:26,343 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) [2023-11-23 20:34:26,344 INFO L276 IsEmpty]: Start isEmpty. Operand 19240 states and 55152 transitions. [2023-11-23 20:34:26,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:34:26,348 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:26,348 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] [2023-11-23 20:34:26,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 20:34:26,349 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2023-11-23 20:34:26,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:26,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1947623891, now seen corresponding path program 1 times [2023-11-23 20:34:26,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:34:26,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019760765] [2023-11-23 20:34:26,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:26,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:34:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:34:26,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:34:26,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019760765] [2023-11-23 20:34:26,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019760765] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:34:26,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:34:26,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:34:26,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25156639] [2023-11-23 20:34:26,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:34:26,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:34:26,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:34:26,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:34:26,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:34:26,749 INFO L87 Difference]: Start difference. First operand 19240 states and 55152 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) [2023-11-23 20:34:27,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:34:27,357 INFO L93 Difference]: Finished difference Result 18492 states and 52952 transitions. [2023-11-23 20:34:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:34:27,358 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 [2023-11-23 20:34:27,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:34:27,407 INFO L225 Difference]: With dead ends: 18492 [2023-11-23 20:34:27,407 INFO L226 Difference]: Without dead ends: 15000 [2023-11-23 20:34:27,408 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 [2023-11-23 20:34:27,409 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 118 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 20:34:27,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 333 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 20:34:27,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15000 states. [2023-11-23 20:34:27,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15000 to 15000. [2023-11-23 20:34:27,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15000 states, 14993 states have (on average 2.8157139998666043) internal successors, (42216), 14999 states have internal predecessors, (42216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:34:28,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15000 states to 15000 states and 42216 transitions. [2023-11-23 20:34:28,005 INFO L78 Accepts]: Start accepts. Automaton has 15000 states and 42216 transitions. Word has length 36 [2023-11-23 20:34:28,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:34:28,006 INFO L495 AbstractCegarLoop]: Abstraction has 15000 states and 42216 transitions. [2023-11-23 20:34:28,006 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) [2023-11-23 20:34:28,007 INFO L276 IsEmpty]: Start isEmpty. Operand 15000 states and 42216 transitions. [2023-11-23 20:34:28,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:34:28,015 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:28,015 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] [2023-11-23 20:34:28,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 20:34:28,015 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2023-11-23 20:34:28,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:28,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1193193473, now seen corresponding path program 1 times [2023-11-23 20:34:28,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:34:28,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624832072] [2023-11-23 20:34:28,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:28,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:34:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:34:28,041 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:34:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:34:28,079 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:34:28,079 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:34:28,081 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2023-11-23 20:34:28,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2023-11-23 20:34:28,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2023-11-23 20:34:28,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2023-11-23 20:34:28,084 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2023-11-23 20:34:28,084 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2023-11-23 20:34:28,084 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2023-11-23 20:34:28,084 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2023-11-23 20:34:28,084 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2023-11-23 20:34:28,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2023-11-23 20:34:28,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 20:34:28,088 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-23 20:34:28,095 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-23 20:34:28,095 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:34:28,122 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-23 20:34:28,123 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 20:34:28,123 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 20:34:28,124 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 20:34:28,124 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-23 20:34:28,124 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 20:34:28,125 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-23 20:34:28,125 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-23 20:34:28,125 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre7 could not be translated [2023-11-23 20:34:28,125 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 20:34:28,125 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-23 20:34:28,126 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-23 20:34:28,126 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 20:34:28,126 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-23 20:34:28,126 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-23 20:34:28,127 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 20:34:28,127 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-23 20:34:28,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:34:28 BasicIcfg [2023-11-23 20:34:28,133 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:34:28,134 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:34:28,134 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:34:28,134 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:34:28,135 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:16" (3/4) ... [2023-11-23 20:34:28,136 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:34:28,138 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:34:28,138 INFO L158 Benchmark]: Toolchain (without parser) took 13168.94ms. Allocated memory was 159.4MB in the beginning and 3.8GB in the end (delta: 3.6GB). Free memory was 110.9MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 369.0MB. Max. memory is 16.1GB. [2023-11-23 20:34:28,139 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 159.4MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:34:28,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 571.06ms. Allocated memory is still 159.4MB. Free memory was 110.6MB in the beginning and 91.7MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:34:28,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.16ms. Allocated memory is still 159.4MB. Free memory was 91.7MB in the beginning and 89.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:34:28,140 INFO L158 Benchmark]: Boogie Preprocessor took 32.11ms. Allocated memory is still 159.4MB. Free memory was 89.6MB in the beginning and 87.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:34:28,140 INFO L158 Benchmark]: RCFGBuilder took 477.57ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 87.9MB in the beginning and 176.8MB in the end (delta: -88.9MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2023-11-23 20:34:28,141 INFO L158 Benchmark]: TraceAbstraction took 12027.10ms. Allocated memory was 209.7MB in the beginning and 3.8GB in the end (delta: 3.6GB). Free memory was 175.9MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 382.0MB. Max. memory is 16.1GB. [2023-11-23 20:34:28,141 INFO L158 Benchmark]: Witness Printer took 4.05ms. Allocated memory is still 3.8GB. Free memory was 3.3GB in the beginning and 3.3GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:34:28,143 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 159.4MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 571.06ms. Allocated memory is still 159.4MB. Free memory was 110.6MB in the beginning and 91.7MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.16ms. Allocated memory is still 159.4MB. Free memory was 91.7MB in the beginning and 89.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.11ms. Allocated memory is still 159.4MB. Free memory was 89.6MB in the beginning and 87.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 477.57ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 87.9MB in the beginning and 176.8MB in the end (delta: -88.9MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * TraceAbstraction took 12027.10ms. Allocated memory was 209.7MB in the beginning and 3.8GB in the end (delta: 3.6GB). Free memory was 175.9MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 382.0MB. Max. memory is 16.1GB. * Witness Printer took 4.05ms. Allocated memory is still 3.8GB. Free memory was 3.3GB in the beginning and 3.3GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post3 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: 684]: Data race detected [2023-11-23 20:34:28,162 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-23 20:34:28,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 20:34:28,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 20:34:28,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 20:34:28,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-23 20:34:28,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 20:34:28,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-23 20:34:28,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-23 20:34:28,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 20:34:28,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre7 could not be translated [2023-11-23 20:34:28,165 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-23 20:34:28,165 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-23 20:34:28,165 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 20:34:28,165 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-23 20:34:28,165 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-23 20:34:28,165 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 20:34:28,166 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-23 20:34:28,175 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-23 20:34:28,176 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 20:34:28,176 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 20:34:28,177 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 20:34:28,177 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-23 20:34:28,177 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 20:34:28,177 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-23 20:34:28,177 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre7 could not be translated [2023-11-23 20:34:28,178 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-23 20:34:28,178 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 20:34:28,178 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-23 20:34:28,178 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-23 20:34:28,178 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 20:34:28,179 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-23 20:34:28,179 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-23 20:34:28,179 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 20:34:28,179 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated Data race detected The following path leads to a data race: [L679-L682] 0 struct { int x; int y; } data; VAL [data={1:0}] [L688] 0 pthread_t id, id2; VAL [data={1:0}, id2={5:0}, id={6:0}] [L689] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id2={5:0}, id={6:0}] [L684] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L690] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, arg={0:0}, data={1:0}, id2={5:0}, id={6:0}] [L684] EXPR 2 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}] [L684] 2 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data.x++ [684] * C: data.x++ [684] * C: data.x++ [684] * C: data.x++ [684] and C: data.x++ [684] - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 689]: 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: 690]: 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: 684]: 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 4 procedures, 121 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 11.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 801 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 801 mSDsluCounter, 1784 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 966 mSDsCounter, 321 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1750 IncrementalHoareTripleChecker+Invalid, 2071 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 321 mSolverCounterUnsat, 818 mSDtfsCounter, 1750 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19240occurred in iteration=4, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.8s AutomataMinimizationTime, 5 MinimizatonAttempts, 18269 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 565 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2023-11-23 20:34:28,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f534ee9-6fcf-4973-b4c6-a75867ce69bd/bin/utaipan-verify-mE87zJ7Ire/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