./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 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_41a1c6e8-4cdb-4648-94c9-1a13bb1905fe/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a1c6e8-4cdb-4648-94c9-1a13bb1905fe/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a1c6e8-4cdb-4648-94c9-1a13bb1905fe/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a1c6e8-4cdb-4648-94c9-1a13bb1905fe/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a1c6e8-4cdb-4648-94c9-1a13bb1905fe/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a1c6e8-4cdb-4648-94c9-1a13bb1905fe/bin/utaipan-verify-NcY6lQBIFX --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 a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:56:28,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:56:28,699 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a1c6e8-4cdb-4648-94c9-1a13bb1905fe/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-12 00:56:28,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:56:28,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:56:28,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:56:28,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:56:28,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:56:28,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:56:28,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:56:28,763 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:56:28,765 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:56:28,765 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:56:28,767 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:56:28,767 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:56:28,768 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:56:28,768 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:56:28,769 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:56:28,769 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:56:28,770 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:56:28,770 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:56:28,771 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:56:28,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:56:28,773 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:56:28,773 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:56:28,774 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:56:28,774 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:56:28,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:56:28,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:56:28,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:56:28,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:56:28,778 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 00:56:28,778 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:56:28,808 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:56:28,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:56:28,809 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:56:28,810 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:56:28,810 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:56:28,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:56:28,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:56:28,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:56:28,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:56:28,813 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:56:28,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:56:28,814 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:56:28,814 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:56:28,814 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:56:28,815 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_41a1c6e8-4cdb-4648-94c9-1a13bb1905fe/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a1c6e8-4cdb-4648-94c9-1a13bb1905fe/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d [2023-11-12 00:56:29,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:56:29,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:56:29,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:56:29,241 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:56:29,242 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:56:29,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a1c6e8-4cdb-4648-94c9-1a13bb1905fe/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i [2023-11-12 00:56:32,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:56:32,738 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:56:32,739 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a1c6e8-4cdb-4648-94c9-1a13bb1905fe/sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i [2023-11-12 00:56:32,763 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a1c6e8-4cdb-4648-94c9-1a13bb1905fe/bin/utaipan-verify-NcY6lQBIFX/data/6108174a6/ebed1d8e593b410aa1d12ad7eca5b36e/FLAG78122a1ce [2023-11-12 00:56:32,778 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a1c6e8-4cdb-4648-94c9-1a13bb1905fe/bin/utaipan-verify-NcY6lQBIFX/data/6108174a6/ebed1d8e593b410aa1d12ad7eca5b36e [2023-11-12 00:56:32,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:56:32,782 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:56:32,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:56:32,784 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:56:32,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:56:32,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:56:32" (1/1) ... [2023-11-12 00:56:32,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127e1725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:32, skipping insertion in model container [2023-11-12 00:56:32,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:56:32" (1/1) ... [2023-11-12 00:56:32,866 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:56:33,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:56:33,646 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:56:33,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:56:33,864 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:56:33,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:33 WrapperNode [2023-11-12 00:56:33,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:56:33,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:56:33,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:56:33,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:56:33,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:33" (1/1) ... [2023-11-12 00:56:33,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:33" (1/1) ... [2023-11-12 00:56:34,041 INFO L138 Inliner]: procedures = 486, calls = 44, calls flagged for inlining = 16, calls inlined = 21, statements flattened = 286 [2023-11-12 00:56:34,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:56:34,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:56:34,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:56:34,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:56:34,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:33" (1/1) ... [2023-11-12 00:56:34,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:33" (1/1) ... [2023-11-12 00:56:34,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:33" (1/1) ... [2023-11-12 00:56:34,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:33" (1/1) ... [2023-11-12 00:56:34,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:33" (1/1) ... [2023-11-12 00:56:34,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:33" (1/1) ... [2023-11-12 00:56:34,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:33" (1/1) ... [2023-11-12 00:56:34,149 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:33" (1/1) ... [2023-11-12 00:56:34,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:56:34,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:56:34,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:56:34,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:56:34,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:33" (1/1) ... [2023-11-12 00:56:34,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:56:34,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a1c6e8-4cdb-4648-94c9-1a13bb1905fe/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:56:34,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a1c6e8-4cdb-4648-94c9-1a13bb1905fe/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:56:34,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a1c6e8-4cdb-4648-94c9-1a13bb1905fe/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:56:34,266 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2023-11-12 00:56:34,266 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2023-11-12 00:56:34,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:56:34,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:56:34,267 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2023-11-12 00:56:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2023-11-12 00:56:34,267 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 00:56:34,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:56:34,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:56:34,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:56:34,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:56:34,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:56:34,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:56:34,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:56:34,273 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:56:34,639 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:56:34,641 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:56:35,052 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:56:35,066 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:56:35,067 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:56:35,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:56:35 BoogieIcfgContainer [2023-11-12 00:56:35,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:56:35,079 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:56:35,081 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:56:35,086 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:56:35,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:56:32" (1/3) ... [2023-11-12 00:56:35,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57eef45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:56:35, skipping insertion in model container [2023-11-12 00:56:35,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:33" (2/3) ... [2023-11-12 00:56:35,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57eef45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:56:35, skipping insertion in model container [2023-11-12 00:56:35,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:56:35" (3/3) ... [2023-11-12 00:56:35,093 INFO L112 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2023-11-12 00:56:35,105 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 00:56:35,115 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:56:35,115 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2023-11-12 00:56:35,115 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 00:56:35,241 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2023-11-12 00:56:35,286 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-12 00:56:35,302 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 439 places, 477 transitions, 981 flow [2023-11-12 00:56:35,305 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 439 places, 477 transitions, 981 flow [2023-11-12 00:56:35,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 439 places, 477 transitions, 981 flow [2023-11-12 00:56:35,505 INFO L124 PetriNetUnfolderBase]: 41/488 cut-off events. [2023-11-12 00:56:35,505 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 00:56:35,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 499 conditions, 488 events. 41/488 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1414 event pairs, 0 based on Foata normal form. 0/412 useless extension candidates. Maximal degree in co-relation 325. Up to 11 conditions per place. [2023-11-12 00:56:35,538 INFO L119 LiptonReduction]: Number of co-enabled transitions 20984 [2023-11-12 00:56:51,185 INFO L134 LiptonReduction]: Checked pairs total: 52276 [2023-11-12 00:56:51,186 INFO L136 LiptonReduction]: Total number of compositions: 641 [2023-11-12 00:56:51,195 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 87 places, 98 transitions, 223 flow [2023-11-12 00:56:51,372 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2569 states, 2430 states have (on average 3.2102880658436215) internal successors, (7801), 2568 states have internal predecessors, (7801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:51,391 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:56:51,399 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;@6beb221b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:56:51,399 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2023-11-12 00:56:51,411 INFO L276 IsEmpty]: Start isEmpty. Operand has 2569 states, 2430 states have (on average 3.2102880658436215) internal successors, (7801), 2568 states have internal predecessors, (7801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:51,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2023-11-12 00:56:51,420 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:51,421 INFO L195 NwaCegarLoop]: trace histogram [1] [2023-11-12 00:56:51,421 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-12 00:56:51,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:51,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1620, now seen corresponding path program 1 times [2023-11-12 00:56:51,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:56:51,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777401319] [2023-11-12 00:56:51,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:51,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:56:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:51,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:56:51,727 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:56:51,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777401319] [2023-11-12 00:56:51,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777401319] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:51,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:56:51,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-12 00:56:51,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827553846] [2023-11-12 00:56:51,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:51,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:56:51,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:56:51,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:56:51,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:56:51,780 INFO L87 Difference]: Start difference. First operand has 2569 states, 2430 states have (on average 3.2102880658436215) internal successors, (7801), 2568 states have internal predecessors, (7801), 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 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:51,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:51,932 INFO L93 Difference]: Finished difference Result 2081 states and 6204 transitions. [2023-11-12 00:56:51,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:56:51,935 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2023-11-12 00:56:51,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:51,982 INFO L225 Difference]: With dead ends: 2081 [2023-11-12 00:56:51,982 INFO L226 Difference]: Without dead ends: 2070 [2023-11-12 00:56:51,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:56:51,989 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:51,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:56:52,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2023-11-12 00:56:52,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 2070. [2023-11-12 00:56:52,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2070 states, 2001 states have (on average 3.0899550224887555) internal successors, (6183), 2069 states have internal predecessors, (6183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:52,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 2070 states and 6183 transitions. [2023-11-12 00:56:52,145 INFO L78 Accepts]: Start accepts. Automaton has 2070 states and 6183 transitions. Word has length 1 [2023-11-12 00:56:52,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:52,146 INFO L495 AbstractCegarLoop]: Abstraction has 2070 states and 6183 transitions. [2023-11-12 00:56:52,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:52,146 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 6183 transitions. [2023-11-12 00:56:52,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:56:52,212 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:52,212 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 00:56:52,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:56:52,213 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread_usbErr9ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-12 00:56:52,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:52,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1325297187, now seen corresponding path program 1 times [2023-11-12 00:56:52,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:56:52,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472007845] [2023-11-12 00:56:52,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:52,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:56:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:52,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:56:52,443 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:56:52,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472007845] [2023-11-12 00:56:52,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472007845] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:52,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:56:52,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:56:52,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889933178] [2023-11-12 00:56:52,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:52,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:56:52,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:56:52,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:56:52,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:52,447 INFO L87 Difference]: Start difference. First operand 2070 states and 6183 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:52,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:52,598 INFO L93 Difference]: Finished difference Result 2224 states and 6664 transitions. [2023-11-12 00:56:52,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:56:52,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2023-11-12 00:56:52,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:52,621 INFO L225 Difference]: With dead ends: 2224 [2023-11-12 00:56:52,621 INFO L226 Difference]: Without dead ends: 2224 [2023-11-12 00:56:52,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:52,623 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 18 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:52,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 43 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:56:52,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2224 states. [2023-11-12 00:56:52,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2224 to 2136. [2023-11-12 00:56:52,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2136 states, 2070 states have (on average 3.0903381642512078) internal successors, (6397), 2135 states have internal predecessors, (6397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:52,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2136 states to 2136 states and 6397 transitions. [2023-11-12 00:56:52,716 INFO L78 Accepts]: Start accepts. Automaton has 2136 states and 6397 transitions. Word has length 6 [2023-11-12 00:56:52,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:52,718 INFO L495 AbstractCegarLoop]: Abstraction has 2136 states and 6397 transitions. [2023-11-12 00:56:52,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:52,718 INFO L276 IsEmpty]: Start isEmpty. Operand 2136 states and 6397 transitions. [2023-11-12 00:56:52,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:56:52,720 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:52,720 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:56:52,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:56:52,721 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread_usbErr4ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-12 00:56:52,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:52,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1865303501, now seen corresponding path program 1 times [2023-11-12 00:56:52,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:56:52,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723371444] [2023-11-12 00:56:52,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:52,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:56:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:52,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:56:52,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:56:52,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723371444] [2023-11-12 00:56:52,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723371444] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:52,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:56:52,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:56:52,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092820380] [2023-11-12 00:56:52,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:52,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:56:52,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:56:52,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:56:52,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:52,865 INFO L87 Difference]: Start difference. First operand 2136 states and 6397 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:53,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:53,002 INFO L93 Difference]: Finished difference Result 2147 states and 6451 transitions. [2023-11-12 00:56:53,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:56:53,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2023-11-12 00:56:53,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:53,025 INFO L225 Difference]: With dead ends: 2147 [2023-11-12 00:56:53,025 INFO L226 Difference]: Without dead ends: 2147 [2023-11-12 00:56:53,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:53,029 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 43 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:53,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 38 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:56:53,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2147 states. [2023-11-12 00:56:53,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2147 to 2147. [2023-11-12 00:56:53,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2147 states, 2081 states have (on average 3.099951946179721) internal successors, (6451), 2146 states have internal predecessors, (6451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:53,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 2147 states and 6451 transitions. [2023-11-12 00:56:53,223 INFO L78 Accepts]: Start accepts. Automaton has 2147 states and 6451 transitions. Word has length 7 [2023-11-12 00:56:53,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:53,224 INFO L495 AbstractCegarLoop]: Abstraction has 2147 states and 6451 transitions. [2023-11-12 00:56:53,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:53,224 INFO L276 IsEmpty]: Start isEmpty. Operand 2147 states and 6451 transitions. [2023-11-12 00:56:53,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:56:53,226 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:53,226 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:56:53,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:56:53,226 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-12 00:56:53,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:53,227 INFO L85 PathProgramCache]: Analyzing trace with hash 2022055815, now seen corresponding path program 1 times [2023-11-12 00:56:53,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:56:53,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110201643] [2023-11-12 00:56:53,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:53,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:56:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:53,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:56:53,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:56:53,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110201643] [2023-11-12 00:56:53,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110201643] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:53,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:56:53,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:56:53,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443206262] [2023-11-12 00:56:53,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:53,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:56:53,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:56:53,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:56:53,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:53,371 INFO L87 Difference]: Start difference. First operand 2147 states and 6451 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:53,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:53,493 INFO L93 Difference]: Finished difference Result 2141 states and 6445 transitions. [2023-11-12 00:56:53,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:56:53,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2023-11-12 00:56:53,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:53,517 INFO L225 Difference]: With dead ends: 2141 [2023-11-12 00:56:53,517 INFO L226 Difference]: Without dead ends: 2140 [2023-11-12 00:56:53,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:53,520 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:53,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:56:53,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2023-11-12 00:56:53,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2023-11-12 00:56:53,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2140 states, 2075 states have (on average 3.105542168674699) internal successors, (6444), 2139 states have internal predecessors, (6444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:53,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 6444 transitions. [2023-11-12 00:56:53,643 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 6444 transitions. Word has length 7 [2023-11-12 00:56:53,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:53,643 INFO L495 AbstractCegarLoop]: Abstraction has 2140 states and 6444 transitions. [2023-11-12 00:56:53,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:53,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 6444 transitions. [2023-11-12 00:56:53,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:56:53,650 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:53,650 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:56:53,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 00:56:53,651 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread_usbErr10ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-12 00:56:53,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:53,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1994656197, now seen corresponding path program 1 times [2023-11-12 00:56:53,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:56:53,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767097474] [2023-11-12 00:56:53,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:53,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:56:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:53,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:56:53,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:56:53,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767097474] [2023-11-12 00:56:53,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767097474] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:53,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:56:53,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:56:53,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907957868] [2023-11-12 00:56:53,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:53,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:56:53,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:56:53,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:56:53,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:53,746 INFO L87 Difference]: Start difference. First operand 2140 states and 6444 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:53,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:53,887 INFO L93 Difference]: Finished difference Result 2117 states and 6255 transitions. [2023-11-12 00:56:53,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:56:53,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2023-11-12 00:56:53,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:53,907 INFO L225 Difference]: With dead ends: 2117 [2023-11-12 00:56:53,907 INFO L226 Difference]: Without dead ends: 2102 [2023-11-12 00:56:53,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:53,908 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 44 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:53,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 36 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:56:53,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2102 states. [2023-11-12 00:56:53,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2102 to 1988. [2023-11-12 00:56:53,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1988 states, 1943 states have (on average 3.0411734431291815) internal successors, (5909), 1987 states have internal predecessors, (5909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:53,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1988 states and 5909 transitions. [2023-11-12 00:56:53,992 INFO L78 Accepts]: Start accepts. Automaton has 1988 states and 5909 transitions. Word has length 8 [2023-11-12 00:56:53,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:53,992 INFO L495 AbstractCegarLoop]: Abstraction has 1988 states and 5909 transitions. [2023-11-12 00:56:53,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:53,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 5909 transitions. [2023-11-12 00:56:53,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:56:53,994 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:53,995 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:56:53,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 00:56:53,999 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-12 00:56:54,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:54,000 INFO L85 PathProgramCache]: Analyzing trace with hash -943125151, now seen corresponding path program 1 times [2023-11-12 00:56:54,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:56:54,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137859099] [2023-11-12 00:56:54,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:54,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:56:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:54,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:56:54,441 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:56:54,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137859099] [2023-11-12 00:56:54,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137859099] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:54,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:56:54,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:56:54,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254699670] [2023-11-12 00:56:54,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:54,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:56:54,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:56:54,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:56:54,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:56:54,443 INFO L87 Difference]: Start difference. First operand 1988 states and 5909 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:54,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:54,805 INFO L93 Difference]: Finished difference Result 1813 states and 5366 transitions. [2023-11-12 00:56:54,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:56:54,806 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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 9 [2023-11-12 00:56:54,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:54,823 INFO L225 Difference]: With dead ends: 1813 [2023-11-12 00:56:54,823 INFO L226 Difference]: Without dead ends: 1799 [2023-11-12 00:56:54,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:56:54,824 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 102 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:54,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 91 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:56:54,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1799 states. [2023-11-12 00:56:54,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1799 to 1799. [2023-11-12 00:56:54,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1799 states, 1769 states have (on average 3.0186546071226683) internal successors, (5340), 1798 states have internal predecessors, (5340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:54,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1799 states and 5340 transitions. [2023-11-12 00:56:54,899 INFO L78 Accepts]: Start accepts. Automaton has 1799 states and 5340 transitions. Word has length 9 [2023-11-12 00:56:54,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:54,900 INFO L495 AbstractCegarLoop]: Abstraction has 1799 states and 5340 transitions. [2023-11-12 00:56:54,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:54,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 5340 transitions. [2023-11-12 00:56:54,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:56:54,903 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:54,903 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:56:54,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 00:56:54,904 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread_usbThread1of1ForFork1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-12 00:56:54,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:54,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1171853793, now seen corresponding path program 1 times [2023-11-12 00:56:54,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:56:54,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324385095] [2023-11-12 00:56:54,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:54,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:56:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:54,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:56:54,992 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:56:54,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324385095] [2023-11-12 00:56:54,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324385095] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:54,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:56:54,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:56:54,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269373235] [2023-11-12 00:56:54,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:54,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:56:54,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:56:54,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:56:54,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:54,995 INFO L87 Difference]: Start difference. First operand 1799 states and 5340 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:55,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:55,094 INFO L93 Difference]: Finished difference Result 1639 states and 4668 transitions. [2023-11-12 00:56:55,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:56:55,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2023-11-12 00:56:55,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:55,119 INFO L225 Difference]: With dead ends: 1639 [2023-11-12 00:56:55,119 INFO L226 Difference]: Without dead ends: 1639 [2023-11-12 00:56:55,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:55,121 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 28 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:55,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 48 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:56:55,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2023-11-12 00:56:55,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1639. [2023-11-12 00:56:55,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1639 states, 1613 states have (on average 2.8939863608183507) internal successors, (4668), 1638 states have internal predecessors, (4668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:55,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 4668 transitions. [2023-11-12 00:56:55,197 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 4668 transitions. Word has length 9 [2023-11-12 00:56:55,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:55,197 INFO L495 AbstractCegarLoop]: Abstraction has 1639 states and 4668 transitions. [2023-11-12 00:56:55,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:55,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 4668 transitions. [2023-11-12 00:56:55,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:56:55,199 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:55,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:56:55,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 00:56:55,199 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-12 00:56:55,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:55,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1192773079, now seen corresponding path program 1 times [2023-11-12 00:56:55,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:56:55,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15404083] [2023-11-12 00:56:55,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:55,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:56:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:55,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:56:55,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:56:55,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15404083] [2023-11-12 00:56:55,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15404083] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:55,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:56:55,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:56:55,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908208157] [2023-11-12 00:56:55,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:55,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:56:55,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:56:55,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:56:55,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:55,280 INFO L87 Difference]: Start difference. First operand 1639 states and 4668 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:55,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:55,403 INFO L93 Difference]: Finished difference Result 1523 states and 4308 transitions. [2023-11-12 00:56:55,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:56:55,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2023-11-12 00:56:55,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:55,425 INFO L225 Difference]: With dead ends: 1523 [2023-11-12 00:56:55,425 INFO L226 Difference]: Without dead ends: 1511 [2023-11-12 00:56:55,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:55,426 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 29 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:55,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 42 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:56:55,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2023-11-12 00:56:55,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1511. [2023-11-12 00:56:55,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1511 states, 1494 states have (on average 2.859437751004016) internal successors, (4272), 1510 states have internal predecessors, (4272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:55,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1511 states and 4272 transitions. [2023-11-12 00:56:55,480 INFO L78 Accepts]: Start accepts. Automaton has 1511 states and 4272 transitions. Word has length 9 [2023-11-12 00:56:55,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:55,480 INFO L495 AbstractCegarLoop]: Abstraction has 1511 states and 4272 transitions. [2023-11-12 00:56:55,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:55,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 4272 transitions. [2023-11-12 00:56:55,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:56:55,482 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:55,482 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:56:55,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-12 00:56:55,483 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread_usbErr4ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-12 00:56:55,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:55,484 INFO L85 PathProgramCache]: Analyzing trace with hash 182423915, now seen corresponding path program 1 times [2023-11-12 00:56:55,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:56:55,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953817835] [2023-11-12 00:56:55,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:55,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:56:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:55,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:56:55,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:56:55,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953817835] [2023-11-12 00:56:55,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953817835] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:55,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:56:55,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:56:55,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672314357] [2023-11-12 00:56:55,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:55,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:56:55,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:56:55,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:56:55,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:55,575 INFO L87 Difference]: Start difference. First operand 1511 states and 4272 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:55,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:55,655 INFO L93 Difference]: Finished difference Result 1461 states and 4167 transitions. [2023-11-12 00:56:55,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:56:55,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2023-11-12 00:56:55,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:55,662 INFO L225 Difference]: With dead ends: 1461 [2023-11-12 00:56:55,662 INFO L226 Difference]: Without dead ends: 1460 [2023-11-12 00:56:55,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:55,663 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 9 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:55,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 50 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:56:55,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2023-11-12 00:56:55,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1460. [2023-11-12 00:56:55,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1460 states, 1445 states have (on average 2.8823529411764706) internal successors, (4165), 1459 states have internal predecessors, (4165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:55,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 4165 transitions. [2023-11-12 00:56:55,713 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 4165 transitions. Word has length 9 [2023-11-12 00:56:55,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:55,713 INFO L495 AbstractCegarLoop]: Abstraction has 1460 states and 4165 transitions. [2023-11-12 00:56:55,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:55,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 4165 transitions. [2023-11-12 00:56:55,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:56:55,715 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:55,715 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:56:55,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-12 00:56:55,715 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread_usbErr4ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-12 00:56:55,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:55,716 INFO L85 PathProgramCache]: Analyzing trace with hash -870413709, now seen corresponding path program 1 times [2023-11-12 00:56:55,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:56:55,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646013794] [2023-11-12 00:56:55,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:55,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:56:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:56,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:56:56,150 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:56:56,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646013794] [2023-11-12 00:56:56,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646013794] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:56,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:56:56,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:56:56,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731642452] [2023-11-12 00:56:56,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:56,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:56:56,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:56:56,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:56:56,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:56:56,153 INFO L87 Difference]: Start difference. First operand 1460 states and 4165 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:56,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:56,402 INFO L93 Difference]: Finished difference Result 2538 states and 7256 transitions. [2023-11-12 00:56:56,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:56:56,402 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 11 [2023-11-12 00:56:56,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:56,414 INFO L225 Difference]: With dead ends: 2538 [2023-11-12 00:56:56,414 INFO L226 Difference]: Without dead ends: 2538 [2023-11-12 00:56:56,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:56:56,415 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 97 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:56,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 66 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:56:56,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2023-11-12 00:56:56,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 1390. [2023-11-12 00:56:56,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1390 states, 1377 states have (on average 2.870007262164125) internal successors, (3952), 1389 states have internal predecessors, (3952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:56,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 3952 transitions. [2023-11-12 00:56:56,478 INFO L78 Accepts]: Start accepts. Automaton has 1390 states and 3952 transitions. Word has length 11 [2023-11-12 00:56:56,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:56,479 INFO L495 AbstractCegarLoop]: Abstraction has 1390 states and 3952 transitions. [2023-11-12 00:56:56,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:56,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 3952 transitions. [2023-11-12 00:56:56,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:56:56,481 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:56,481 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:56:56,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-12 00:56:56,481 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread_usbErr9ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-12 00:56:56,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:56,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1657535900, now seen corresponding path program 1 times [2023-11-12 00:56:56,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:56:56,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526243859] [2023-11-12 00:56:56,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:56,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:56:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:56,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:56:56,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:56:56,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526243859] [2023-11-12 00:56:56,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526243859] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:56,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:56:56,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:56:56,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297658340] [2023-11-12 00:56:56,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:56,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:56:56,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:56:56,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:56:56,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:56,575 INFO L87 Difference]: Start difference. First operand 1390 states and 3952 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:56,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:56,652 INFO L93 Difference]: Finished difference Result 670 states and 1946 transitions. [2023-11-12 00:56:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:56:56,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2023-11-12 00:56:56,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:56,655 INFO L225 Difference]: With dead ends: 670 [2023-11-12 00:56:56,656 INFO L226 Difference]: Without dead ends: 609 [2023-11-12 00:56:56,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:56,657 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 16 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:56,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 40 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:56:56,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2023-11-12 00:56:56,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 609. [2023-11-12 00:56:56,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 608 states have (on average 2.8898026315789473) internal successors, (1757), 608 states have internal predecessors, (1757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:56,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 1757 transitions. [2023-11-12 00:56:56,679 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 1757 transitions. Word has length 12 [2023-11-12 00:56:56,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:56,679 INFO L495 AbstractCegarLoop]: Abstraction has 609 states and 1757 transitions. [2023-11-12 00:56:56,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:56,680 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 1757 transitions. [2023-11-12 00:56:56,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:56:56,682 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:56,682 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] [2023-11-12 00:56:56,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-12 00:56:56,682 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-12 00:56:56,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:56,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1977517648, now seen corresponding path program 1 times [2023-11-12 00:56:56,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:56:56,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770921769] [2023-11-12 00:56:56,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:56,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:56:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:56,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:56:56,790 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:56:56,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770921769] [2023-11-12 00:56:56,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770921769] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:56,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:56:56,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:56:56,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502005511] [2023-11-12 00:56:56,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:56,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:56:56,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:56:56,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:56:56,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:56,792 INFO L87 Difference]: Start difference. First operand 609 states and 1757 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:56,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:56,860 INFO L93 Difference]: Finished difference Result 608 states and 1756 transitions. [2023-11-12 00:56:56,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:56:56,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2023-11-12 00:56:56,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:56,863 INFO L225 Difference]: With dead ends: 608 [2023-11-12 00:56:56,863 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 00:56:56,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:56,864 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:56,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:56:56,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 00:56:56,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 00:56:56,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:56,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 00:56:56,867 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2023-11-12 00:56:56,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:56,867 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 00:56:56,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:56:56,868 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 00:56:56,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:56:56,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE (35 of 36 remaining) [2023-11-12 00:56:56,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE (34 of 36 remaining) [2023-11-12 00:56:56,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (33 of 36 remaining) [2023-11-12 00:56:56,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (32 of 36 remaining) [2023-11-12 00:56:56,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (31 of 36 remaining) [2023-11-12 00:56:56,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 36 remaining) [2023-11-12 00:56:56,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 36 remaining) [2023-11-12 00:56:56,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (28 of 36 remaining) [2023-11-12 00:56:56,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 36 remaining) [2023-11-12 00:56:56,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 36 remaining) [2023-11-12 00:56:56,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONDATA_RACE (25 of 36 remaining) [2023-11-12 00:56:56,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr9ASSERT_VIOLATIONDATA_RACE (24 of 36 remaining) [2023-11-12 00:56:56,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONDATA_RACE (23 of 36 remaining) [2023-11-12 00:56:56,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr10ASSERT_VIOLATIONDATA_RACE (22 of 36 remaining) [2023-11-12 00:56:56,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr3ASSERT_VIOLATIONDATA_RACE (21 of 36 remaining) [2023-11-12 00:56:56,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr8ASSERT_VIOLATIONDATA_RACE (20 of 36 remaining) [2023-11-12 00:56:56,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr4ASSERT_VIOLATIONDATA_RACE (19 of 36 remaining) [2023-11-12 00:56:56,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr5ASSERT_VIOLATIONDATA_RACE (18 of 36 remaining) [2023-11-12 00:56:56,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr6ASSERT_VIOLATIONDATA_RACE (17 of 36 remaining) [2023-11-12 00:56:56,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2ASSERT_VIOLATIONDATA_RACE (16 of 36 remaining) [2023-11-12 00:56:56,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr7ASSERT_VIOLATIONDATA_RACE (15 of 36 remaining) [2023-11-12 00:56:56,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 36 remaining) [2023-11-12 00:56:56,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE (13 of 36 remaining) [2023-11-12 00:56:56,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE (12 of 36 remaining) [2023-11-12 00:56:56,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONDATA_RACE (11 of 36 remaining) [2023-11-12 00:56:56,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr9ASSERT_VIOLATIONDATA_RACE (10 of 36 remaining) [2023-11-12 00:56:56,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONDATA_RACE (9 of 36 remaining) [2023-11-12 00:56:56,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr10ASSERT_VIOLATIONDATA_RACE (8 of 36 remaining) [2023-11-12 00:56:56,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr3ASSERT_VIOLATIONDATA_RACE (7 of 36 remaining) [2023-11-12 00:56:56,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr8ASSERT_VIOLATIONDATA_RACE (6 of 36 remaining) [2023-11-12 00:56:56,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr4ASSERT_VIOLATIONDATA_RACE (5 of 36 remaining) [2023-11-12 00:56:56,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr5ASSERT_VIOLATIONDATA_RACE (4 of 36 remaining) [2023-11-12 00:56:56,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr6ASSERT_VIOLATIONDATA_RACE (3 of 36 remaining) [2023-11-12 00:56:56,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2ASSERT_VIOLATIONDATA_RACE (2 of 36 remaining) [2023-11-12 00:56:56,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr7ASSERT_VIOLATIONDATA_RACE (1 of 36 remaining) [2023-11-12 00:56:56,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbThread1of1ForFork1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 36 remaining) [2023-11-12 00:56:56,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-12 00:56:56,883 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:56:56,889 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 00:56:56,890 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:56:56,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:56:56 BasicIcfg [2023-11-12 00:56:56,895 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:56:56,895 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:56:56,895 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:56:56,896 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:56:56,896 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:56:35" (3/4) ... [2023-11-12 00:56:56,898 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:56:56,902 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_ath9k [2023-11-12 00:56:56,903 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_usb [2023-11-12 00:56:56,909 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-12 00:56:56,910 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-12 00:56:56,910 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 00:56:56,911 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:56:57,026 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a1c6e8-4cdb-4648-94c9-1a13bb1905fe/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:56:57,026 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a1c6e8-4cdb-4648-94c9-1a13bb1905fe/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 00:56:57,026 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:56:57,027 INFO L158 Benchmark]: Toolchain (without parser) took 24244.96ms. Allocated memory was 184.5MB in the beginning and 268.4MB in the end (delta: 83.9MB). Free memory was 153.4MB in the beginning and 189.3MB in the end (delta: -36.0MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2023-11-12 00:56:57,027 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:56:57,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1081.39ms. Allocated memory is still 184.5MB. Free memory was 152.5MB in the beginning and 98.8MB in the end (delta: 53.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-12 00:56:57,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 177.20ms. Allocated memory is still 184.5MB. Free memory was 98.8MB in the beginning and 148.3MB in the end (delta: -49.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 00:56:57,029 INFO L158 Benchmark]: Boogie Preprocessor took 129.24ms. Allocated memory is still 184.5MB. Free memory was 148.3MB in the beginning and 145.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:56:57,032 INFO L158 Benchmark]: RCFGBuilder took 903.06ms. Allocated memory is still 184.5MB. Free memory was 145.1MB in the beginning and 114.7MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-12 00:56:57,033 INFO L158 Benchmark]: TraceAbstraction took 21815.82ms. Allocated memory was 184.5MB in the beginning and 268.4MB in the end (delta: 83.9MB). Free memory was 114.7MB in the beginning and 195.6MB in the end (delta: -80.9MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-11-12 00:56:57,034 INFO L158 Benchmark]: Witness Printer took 131.23ms. Allocated memory is still 268.4MB. Free memory was 194.6MB in the beginning and 189.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:56:57,036 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1081.39ms. Allocated memory is still 184.5MB. Free memory was 152.5MB in the beginning and 98.8MB in the end (delta: 53.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 177.20ms. Allocated memory is still 184.5MB. Free memory was 98.8MB in the beginning and 148.3MB in the end (delta: -49.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 129.24ms. Allocated memory is still 184.5MB. Free memory was 148.3MB in the beginning and 145.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 903.06ms. Allocated memory is still 184.5MB. Free memory was 145.1MB in the beginning and 114.7MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 21815.82ms. Allocated memory was 184.5MB in the beginning and 268.4MB in the end (delta: 83.9MB). Free memory was 114.7MB in the beginning and 195.6MB in the end (delta: -80.9MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Witness Printer took 131.23ms. Allocated memory is still 268.4MB. Free memory was 194.6MB in the beginning and 189.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.9s, 439 PlacesBefore, 87 PlacesAfterwards, 477 TransitionsBefore, 98 TransitionsAfterwards, 20984 CoEnabledTransitionPairs, 10 FixpointIterations, 259 TrivialSequentialCompositions, 241 ConcurrentSequentialCompositions, 44 TrivialYvCompositions, 70 ConcurrentYvCompositions, 27 ChoiceCompositions, 641 TotalNumberOfCompositions, 52276 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 31906, independent: 31246, independent conditional: 0, independent unconditional: 31246, dependent: 660, dependent conditional: 0, dependent unconditional: 660, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16420, independent: 16293, independent conditional: 0, independent unconditional: 16293, dependent: 127, dependent conditional: 0, dependent unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16420, independent: 16046, independent conditional: 0, independent unconditional: 16046, dependent: 374, dependent conditional: 0, dependent unconditional: 374, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 374, independent: 247, independent conditional: 0, independent unconditional: 247, dependent: 127, dependent conditional: 0, dependent unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 668, independent: 309, independent conditional: 0, independent unconditional: 309, dependent: 359, dependent conditional: 0, dependent unconditional: 359, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 31906, independent: 14953, independent conditional: 0, independent unconditional: 14953, dependent: 533, dependent conditional: 0, dependent unconditional: 533, unknown: 16420, unknown conditional: 0, unknown unconditional: 16420] , Statistics on independence cache: Total cache size (in pairs): 885, Positive cache size: 830, Positive conditional cache size: 0, Positive unconditional cache size: 830, Negative cache size: 55, Negative conditional cache size: 0, Negative unconditional cache size: 55, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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 - PositiveResult [Line: 1699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1777]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1778]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1783]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1790]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1792]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1771]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1772]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1756]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1764]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1760]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 482 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 21.6s, OverallIterations: 12, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 16.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 386 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 386 mSDsluCounter, 550 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 217 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1127 IncrementalHoareTripleChecker+Invalid, 1181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 333 mSDtfsCounter, 1127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2569occurred in iteration=0, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 1350 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 00:56:57,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a1c6e8-4cdb-4648-94c9-1a13bb1905fe/bin/utaipan-verify-NcY6lQBIFX/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 Result: TRUE