./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 02:52:38,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 02:52:38,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 02:52:38,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 02:52:38,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 02:52:38,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 02:52:39,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 02:52:39,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 02:52:39,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 02:52:39,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 02:52:39,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 02:52:39,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 02:52:39,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 02:52:39,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 02:52:39,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 02:52:39,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 02:52:39,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 02:52:39,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 02:52:39,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 02:52:39,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 02:52:39,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 02:52:39,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 02:52:39,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 02:52:39,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 02:52:39,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 02:52:39,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 02:52:39,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 02:52:39,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 02:52:39,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 02:52:39,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 02:52:39,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 02:52:39,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 02:52:39,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 02:52:39,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 02:52:39,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 02:52:39,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 02:52:39,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 02:52:39,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 02:52:39,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 02:52:39,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 02:52:39,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 02:52:39,047 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-28 02:52:39,076 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 02:52:39,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 02:52:39,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 02:52:39,077 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 02:52:39,078 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 02:52:39,078 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 02:52:39,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 02:52:39,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 02:52:39,079 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 02:52:39,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 02:52:39,080 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 02:52:39,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 02:52:39,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 02:52:39,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 02:52:39,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 02:52:39,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 02:52:39,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 02:52:39,081 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 02:52:39,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 02:52:39,082 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 02:52:39,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 02:52:39,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 02:52:39,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 02:52:39,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 02:52:39,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 02:52:39,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 02:52:39,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 02:52:39,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 02:52:39,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 02:52:39,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 02:52:39,083 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 02:52:39,084 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 02:52:39,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 02:52:39,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d [2021-12-28 02:52:39,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 02:52:39,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 02:52:39,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 02:52:39,360 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 02:52:39,362 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 02:52:39,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i [2021-12-28 02:52:39,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93d2cbb54/37bcbb9876664532be7e086aa5c99fa0/FLAGfccdfa2be [2021-12-28 02:52:39,909 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 02:52:39,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i [2021-12-28 02:52:39,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93d2cbb54/37bcbb9876664532be7e086aa5c99fa0/FLAGfccdfa2be [2021-12-28 02:52:40,450 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93d2cbb54/37bcbb9876664532be7e086aa5c99fa0 [2021-12-28 02:52:40,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 02:52:40,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 02:52:40,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 02:52:40,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 02:52:40,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 02:52:40,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:52:40" (1/1) ... [2021-12-28 02:52:40,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea346d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:40, skipping insertion in model container [2021-12-28 02:52:40,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:52:40" (1/1) ... [2021-12-28 02:52:40,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 02:52:40,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 02:52:41,058 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2021-12-28 02:52:41,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 02:52:41,112 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 02:52:41,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2021-12-28 02:52:41,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 02:52:41,256 INFO L208 MainTranslator]: Completed translation [2021-12-28 02:52:41,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:41 WrapperNode [2021-12-28 02:52:41,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 02:52:41,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 02:52:41,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 02:52:41,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 02:52:41,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:41" (1/1) ... [2021-12-28 02:52:41,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:41" (1/1) ... [2021-12-28 02:52:41,320 INFO L137 Inliner]: procedures = 486, calls = 43, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 201 [2021-12-28 02:52:41,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 02:52:41,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 02:52:41,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 02:52:41,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 02:52:41,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:41" (1/1) ... [2021-12-28 02:52:41,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:41" (1/1) ... [2021-12-28 02:52:41,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:41" (1/1) ... [2021-12-28 02:52:41,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:41" (1/1) ... [2021-12-28 02:52:41,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:41" (1/1) ... [2021-12-28 02:52:41,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:41" (1/1) ... [2021-12-28 02:52:41,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:41" (1/1) ... [2021-12-28 02:52:41,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 02:52:41,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 02:52:41,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 02:52:41,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 02:52:41,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:41" (1/1) ... [2021-12-28 02:52:41,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 02:52:41,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 02:52:41,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 02:52:41,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 02:52:41,514 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2021-12-28 02:52:41,514 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2021-12-28 02:52:41,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 02:52:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 02:52:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2021-12-28 02:52:41,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2021-12-28 02:52:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-28 02:52:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 02:52:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 02:52:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 02:52:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 02:52:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 02:52:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 02:52:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 02:52:41,520 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-28 02:52:41,785 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 02:52:41,786 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 02:52:41,986 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 02:52:41,991 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 02:52:41,992 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-28 02:52:41,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:52:41 BoogieIcfgContainer [2021-12-28 02:52:41,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 02:52:41,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 02:52:41,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 02:52:41,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 02:52:41,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 02:52:40" (1/3) ... [2021-12-28 02:52:41,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27be5e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:52:41, skipping insertion in model container [2021-12-28 02:52:41,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:41" (2/3) ... [2021-12-28 02:52:41,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27be5e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:52:41, skipping insertion in model container [2021-12-28 02:52:41,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:52:41" (3/3) ... [2021-12-28 02:52:41,999 INFO L111 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2021-12-28 02:52:42,002 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-28 02:52:42,003 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 02:52:42,003 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-12-28 02:52:42,003 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-28 02:52:42,048 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,049 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,049 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,049 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,049 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,050 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,050 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,050 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,050 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,050 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,050 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,050 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,051 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,051 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,051 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,052 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,052 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,052 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,052 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,052 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,052 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,053 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,053 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,053 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,053 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,053 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,053 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,053 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,054 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,054 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,054 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,054 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,054 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,054 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,055 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,055 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,055 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,055 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,055 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,055 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,056 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,056 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,056 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,056 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,056 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,056 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,057 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,057 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,057 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,057 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,057 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,057 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,057 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,058 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,059 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,071 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,072 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,072 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,072 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,072 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,072 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,072 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,073 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,073 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,073 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,073 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,074 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,074 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,074 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,074 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,074 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,075 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,075 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,075 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,075 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,075 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,075 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,075 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,076 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,076 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,076 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,076 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,076 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,076 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,077 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,077 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,077 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,077 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,077 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,078 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,078 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,078 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,078 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,078 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,078 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,078 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,079 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,079 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,079 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,079 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,079 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,079 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,080 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,080 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,080 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,080 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,080 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,080 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,081 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,081 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,081 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,081 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,081 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,081 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,081 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,082 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,082 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,082 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,082 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,082 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,082 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,082 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,083 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,083 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,083 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,083 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,083 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,083 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,084 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,084 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,084 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,084 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,084 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,084 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,084 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,084 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,085 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,085 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,085 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,085 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,085 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,086 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,086 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,095 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,095 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,096 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,096 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,096 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,098 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,098 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,098 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,098 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,099 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,099 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,099 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,099 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,099 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,099 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,100 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,100 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,106 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,106 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,106 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,106 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,106 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,107 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,107 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,107 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,107 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,107 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,107 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,107 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,108 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,108 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,108 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,108 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,108 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,108 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,109 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,109 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,109 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,109 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,109 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,110 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,110 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,110 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,110 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,111 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,111 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,111 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,111 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,111 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,111 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,112 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,112 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,112 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,112 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,112 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,112 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,112 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,113 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,113 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,113 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,113 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,113 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,113 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,114 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,114 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,114 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,114 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,114 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,114 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,115 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,115 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,115 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,115 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,115 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,116 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,116 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,116 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,116 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,116 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,116 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,117 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,117 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,117 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,117 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,117 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,117 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,117 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,118 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,118 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,118 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,118 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,118 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,118 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,120 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,121 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,121 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,121 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,121 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,121 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,121 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,122 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,122 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,122 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,122 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,122 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,122 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,122 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,123 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,123 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,123 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,123 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,123 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,123 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,123 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,123 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,125 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,125 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,126 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,126 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,126 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,126 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,126 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,126 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,126 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,127 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,127 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,127 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,127 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,127 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,127 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,128 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,128 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,128 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:42,132 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-12-28 02:52:42,163 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 02:52:42,168 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 02:52:42,168 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-12-28 02:52:42,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 301 places, 331 transitions, 692 flow [2021-12-28 02:52:42,238 INFO L129 PetriNetUnfolder]: 33/341 cut-off events. [2021-12-28 02:52:42,238 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-28 02:52:42,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 353 conditions, 341 events. 33/341 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 850 event pairs, 0 based on Foata normal form. 0/295 useless extension candidates. Maximal degree in co-relation 228. Up to 11 conditions per place. [2021-12-28 02:52:42,250 INFO L82 GeneralOperation]: Start removeDead. Operand has 301 places, 331 transitions, 692 flow [2021-12-28 02:52:42,255 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 212 places, 227 transitions, 471 flow [2021-12-28 02:52:42,260 INFO L129 PetriNetUnfolder]: 0/38 cut-off events. [2021-12-28 02:52:42,260 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-28 02:52:42,260 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:42,261 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:42,261 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-12-28 02:52:42,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:42,265 INFO L85 PathProgramCache]: Analyzing trace with hash -825968135, now seen corresponding path program 1 times [2021-12-28 02:52:42,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:42,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621637175] [2021-12-28 02:52:42,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:42,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:42,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:42,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:42,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621637175] [2021-12-28 02:52:42,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621637175] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:42,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:42,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 02:52:42,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043603008] [2021-12-28 02:52:42,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:42,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 02:52:42,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:42,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 02:52:42,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 02:52:42,585 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 331 [2021-12-28 02:52:42,591 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 227 transitions, 471 flow. Second operand has 5 states, 5 states have (on average 273.2) internal successors, (1366), 5 states have internal predecessors, (1366), 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) [2021-12-28 02:52:42,592 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:42,592 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 331 [2021-12-28 02:52:42,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:42,736 INFO L129 PetriNetUnfolder]: 68/616 cut-off events. [2021-12-28 02:52:42,736 INFO L130 PetriNetUnfolder]: For 22/26 co-relation queries the response was YES. [2021-12-28 02:52:42,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 725 conditions, 616 events. 68/616 cut-off events. For 22/26 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2116 event pairs, 6 based on Foata normal form. 41/589 useless extension candidates. Maximal degree in co-relation 457. Up to 40 conditions per place. [2021-12-28 02:52:42,742 INFO L132 encePairwiseOnDemand]: 310/331 looper letters, 26 selfloop transitions, 12 changer transitions 0/221 dead transitions. [2021-12-28 02:52:42,742 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 221 transitions, 544 flow [2021-12-28 02:52:42,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 02:52:42,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-28 02:52:42,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1961 transitions. [2021-12-28 02:52:42,756 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8463530427276651 [2021-12-28 02:52:42,757 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1961 transitions. [2021-12-28 02:52:42,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1961 transitions. [2021-12-28 02:52:42,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:42,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1961 transitions. [2021-12-28 02:52:42,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 280.14285714285717) internal successors, (1961), 7 states have internal predecessors, (1961), 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) [2021-12-28 02:52:42,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 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) [2021-12-28 02:52:42,776 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 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) [2021-12-28 02:52:42,778 INFO L186 Difference]: Start difference. First operand has 212 places, 227 transitions, 471 flow. Second operand 7 states and 1961 transitions. [2021-12-28 02:52:42,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 221 transitions, 544 flow [2021-12-28 02:52:42,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 221 transitions, 540 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-28 02:52:42,785 INFO L242 Difference]: Finished difference. Result has 210 places, 214 transitions, 476 flow [2021-12-28 02:52:42,787 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=435, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=476, PETRI_PLACES=210, PETRI_TRANSITIONS=214} [2021-12-28 02:52:42,789 INFO L334 CegarLoopForPetriNet]: 212 programPoint places, -2 predicate places. [2021-12-28 02:52:42,789 INFO L470 AbstractCegarLoop]: Abstraction has has 210 places, 214 transitions, 476 flow [2021-12-28 02:52:42,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 273.2) internal successors, (1366), 5 states have internal predecessors, (1366), 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) [2021-12-28 02:52:42,790 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:42,790 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:42,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 02:52:42,791 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-12-28 02:52:42,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:42,791 INFO L85 PathProgramCache]: Analyzing trace with hash 2049551677, now seen corresponding path program 1 times [2021-12-28 02:52:42,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:42,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106198420] [2021-12-28 02:52:42,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:42,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:42,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:42,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:42,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106198420] [2021-12-28 02:52:42,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106198420] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:42,859 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:42,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 02:52:42,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782851166] [2021-12-28 02:52:42,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:42,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 02:52:42,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:42,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 02:52:42,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 02:52:42,862 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 331 [2021-12-28 02:52:42,863 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 214 transitions, 476 flow. Second operand has 5 states, 5 states have (on average 274.2) internal successors, (1371), 5 states have internal predecessors, (1371), 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) [2021-12-28 02:52:42,864 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:42,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 331 [2021-12-28 02:52:42,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:42,987 INFO L129 PetriNetUnfolder]: 69/639 cut-off events. [2021-12-28 02:52:42,988 INFO L130 PetriNetUnfolder]: For 51/58 co-relation queries the response was YES. [2021-12-28 02:52:42,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 794 conditions, 639 events. 69/639 cut-off events. For 51/58 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2286 event pairs, 10 based on Foata normal form. 1/572 useless extension candidates. Maximal degree in co-relation 457. Up to 58 conditions per place. [2021-12-28 02:52:42,992 INFO L132 encePairwiseOnDemand]: 323/331 looper letters, 25 selfloop transitions, 3 changer transitions 7/214 dead transitions. [2021-12-28 02:52:42,992 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 214 transitions, 542 flow [2021-12-28 02:52:42,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 02:52:42,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-28 02:52:42,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1662 transitions. [2021-12-28 02:52:42,995 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8368580060422961 [2021-12-28 02:52:42,995 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1662 transitions. [2021-12-28 02:52:42,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1662 transitions. [2021-12-28 02:52:42,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:42,996 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1662 transitions. [2021-12-28 02:52:42,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 277.0) internal successors, (1662), 6 states have internal predecessors, (1662), 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) [2021-12-28 02:52:43,002 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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) [2021-12-28 02:52:43,003 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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) [2021-12-28 02:52:43,003 INFO L186 Difference]: Start difference. First operand has 210 places, 214 transitions, 476 flow. Second operand 6 states and 1662 transitions. [2021-12-28 02:52:43,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 214 transitions, 542 flow [2021-12-28 02:52:43,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 214 transitions, 523 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-28 02:52:43,008 INFO L242 Difference]: Finished difference. Result has 208 places, 205 transitions, 443 flow [2021-12-28 02:52:43,008 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=453, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=443, PETRI_PLACES=208, PETRI_TRANSITIONS=205} [2021-12-28 02:52:43,009 INFO L334 CegarLoopForPetriNet]: 212 programPoint places, -4 predicate places. [2021-12-28 02:52:43,009 INFO L470 AbstractCegarLoop]: Abstraction has has 208 places, 205 transitions, 443 flow [2021-12-28 02:52:43,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 274.2) internal successors, (1371), 5 states have internal predecessors, (1371), 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) [2021-12-28 02:52:43,010 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:43,010 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:43,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 02:52:43,011 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-12-28 02:52:43,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:43,011 INFO L85 PathProgramCache]: Analyzing trace with hash -111987383, now seen corresponding path program 1 times [2021-12-28 02:52:43,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:43,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126151283] [2021-12-28 02:52:43,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:43,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:43,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:43,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:43,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126151283] [2021-12-28 02:52:43,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126151283] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:43,083 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:43,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 02:52:43,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563263529] [2021-12-28 02:52:43,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:43,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 02:52:43,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:43,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 02:52:43,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 02:52:43,086 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 331 [2021-12-28 02:52:43,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 205 transitions, 443 flow. Second operand has 5 states, 5 states have (on average 277.8) internal successors, (1389), 5 states have internal predecessors, (1389), 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) [2021-12-28 02:52:43,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:43,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 331 [2021-12-28 02:52:43,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:43,243 INFO L129 PetriNetUnfolder]: 114/936 cut-off events. [2021-12-28 02:52:43,244 INFO L130 PetriNetUnfolder]: For 69/81 co-relation queries the response was YES. [2021-12-28 02:52:43,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1180 conditions, 936 events. 114/936 cut-off events. For 69/81 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4092 event pairs, 7 based on Foata normal form. 0/843 useless extension candidates. Maximal degree in co-relation 1073. Up to 51 conditions per place. [2021-12-28 02:52:43,249 INFO L132 encePairwiseOnDemand]: 321/331 looper letters, 47 selfloop transitions, 18 changer transitions 0/243 dead transitions. [2021-12-28 02:52:43,249 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 243 transitions, 678 flow [2021-12-28 02:52:43,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 02:52:43,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-28 02:52:43,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2548 transitions. [2021-12-28 02:52:43,253 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.855320577374958 [2021-12-28 02:52:43,253 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2548 transitions. [2021-12-28 02:52:43,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2548 transitions. [2021-12-28 02:52:43,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:43,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2548 transitions. [2021-12-28 02:52:43,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 283.1111111111111) internal successors, (2548), 9 states have internal predecessors, (2548), 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) [2021-12-28 02:52:43,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 331.0) internal successors, (3310), 10 states have internal predecessors, (3310), 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) [2021-12-28 02:52:43,263 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 331.0) internal successors, (3310), 10 states have internal predecessors, (3310), 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) [2021-12-28 02:52:43,263 INFO L186 Difference]: Start difference. First operand has 208 places, 205 transitions, 443 flow. Second operand 9 states and 2548 transitions. [2021-12-28 02:52:43,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 243 transitions, 678 flow [2021-12-28 02:52:43,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 243 transitions, 672 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-28 02:52:43,268 INFO L242 Difference]: Finished difference. Result has 211 places, 220 transitions, 576 flow [2021-12-28 02:52:43,268 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=576, PETRI_PLACES=211, PETRI_TRANSITIONS=220} [2021-12-28 02:52:43,269 INFO L334 CegarLoopForPetriNet]: 212 programPoint places, -1 predicate places. [2021-12-28 02:52:43,269 INFO L470 AbstractCegarLoop]: Abstraction has has 211 places, 220 transitions, 576 flow [2021-12-28 02:52:43,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 277.8) internal successors, (1389), 5 states have internal predecessors, (1389), 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) [2021-12-28 02:52:43,270 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:43,270 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:43,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 02:52:43,270 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-12-28 02:52:43,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:43,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1888992867, now seen corresponding path program 1 times [2021-12-28 02:52:43,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:43,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28433177] [2021-12-28 02:52:43,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:43,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:43,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:43,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:43,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28433177] [2021-12-28 02:52:43,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28433177] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:43,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:43,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 02:52:43,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781207025] [2021-12-28 02:52:43,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:43,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 02:52:43,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:43,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 02:52:43,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 02:52:43,335 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 331 [2021-12-28 02:52:43,336 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 220 transitions, 576 flow. Second operand has 5 states, 5 states have (on average 282.0) internal successors, (1410), 5 states have internal predecessors, (1410), 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) [2021-12-28 02:52:43,337 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:43,337 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 331 [2021-12-28 02:52:43,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:43,611 INFO L129 PetriNetUnfolder]: 255/1852 cut-off events. [2021-12-28 02:52:43,612 INFO L130 PetriNetUnfolder]: For 897/951 co-relation queries the response was YES. [2021-12-28 02:52:43,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2859 conditions, 1852 events. 255/1852 cut-off events. For 897/951 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 12307 event pairs, 24 based on Foata normal form. 10/1710 useless extension candidates. Maximal degree in co-relation 1856. Up to 114 conditions per place. [2021-12-28 02:52:43,625 INFO L132 encePairwiseOnDemand]: 321/331 looper letters, 59 selfloop transitions, 37 changer transitions 0/285 dead transitions. [2021-12-28 02:52:43,625 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 285 transitions, 1082 flow [2021-12-28 02:52:43,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 02:52:43,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-28 02:52:43,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2596 transitions. [2021-12-28 02:52:43,630 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8714333669016449 [2021-12-28 02:52:43,630 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2596 transitions. [2021-12-28 02:52:43,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2596 transitions. [2021-12-28 02:52:43,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:43,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2596 transitions. [2021-12-28 02:52:43,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 288.44444444444446) internal successors, (2596), 9 states have internal predecessors, (2596), 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) [2021-12-28 02:52:43,638 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 331.0) internal successors, (3310), 10 states have internal predecessors, (3310), 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) [2021-12-28 02:52:43,639 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 331.0) internal successors, (3310), 10 states have internal predecessors, (3310), 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) [2021-12-28 02:52:43,639 INFO L186 Difference]: Start difference. First operand has 211 places, 220 transitions, 576 flow. Second operand 9 states and 2596 transitions. [2021-12-28 02:52:43,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 285 transitions, 1082 flow [2021-12-28 02:52:43,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 285 transitions, 1058 flow, removed 12 selfloop flow, removed 0 redundant places. [2021-12-28 02:52:43,647 INFO L242 Difference]: Finished difference. Result has 225 places, 251 transitions, 904 flow [2021-12-28 02:52:43,648 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=904, PETRI_PLACES=225, PETRI_TRANSITIONS=251} [2021-12-28 02:52:43,648 INFO L334 CegarLoopForPetriNet]: 212 programPoint places, 13 predicate places. [2021-12-28 02:52:43,648 INFO L470 AbstractCegarLoop]: Abstraction has has 225 places, 251 transitions, 904 flow [2021-12-28 02:52:43,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 282.0) internal successors, (1410), 5 states have internal predecessors, (1410), 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) [2021-12-28 02:52:43,649 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:43,649 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:43,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 02:52:43,650 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-12-28 02:52:43,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:43,650 INFO L85 PathProgramCache]: Analyzing trace with hash -389135563, now seen corresponding path program 1 times [2021-12-28 02:52:43,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:43,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177755053] [2021-12-28 02:52:43,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:43,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:43,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:43,776 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:43,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177755053] [2021-12-28 02:52:43,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177755053] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:43,776 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:43,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 02:52:43,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126055406] [2021-12-28 02:52:43,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:43,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 02:52:43,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:43,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 02:52:43,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 02:52:43,780 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 331 [2021-12-28 02:52:43,781 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 251 transitions, 904 flow. Second operand has 5 states, 5 states have (on average 275.0) internal successors, (1375), 5 states have internal predecessors, (1375), 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) [2021-12-28 02:52:43,781 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:43,781 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 331 [2021-12-28 02:52:43,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:44,039 INFO L129 PetriNetUnfolder]: 264/1932 cut-off events. [2021-12-28 02:52:44,040 INFO L130 PetriNetUnfolder]: For 2537/2625 co-relation queries the response was YES. [2021-12-28 02:52:44,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3699 conditions, 1932 events. 264/1932 cut-off events. For 2537/2625 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 13004 event pairs, 31 based on Foata normal form. 6/1801 useless extension candidates. Maximal degree in co-relation 2679. Up to 202 conditions per place. [2021-12-28 02:52:44,053 INFO L132 encePairwiseOnDemand]: 323/331 looper letters, 59 selfloop transitions, 14 changer transitions 18/283 dead transitions. [2021-12-28 02:52:44,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 283 transitions, 1353 flow [2021-12-28 02:52:44,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-28 02:52:44,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-12-28 02:52:44,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2220 transitions. [2021-12-28 02:52:44,057 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8383685800604229 [2021-12-28 02:52:44,058 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2220 transitions. [2021-12-28 02:52:44,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2220 transitions. [2021-12-28 02:52:44,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:44,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2220 transitions. [2021-12-28 02:52:44,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 277.5) internal successors, (2220), 8 states have internal predecessors, (2220), 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) [2021-12-28 02:52:44,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 331.0) internal successors, (2979), 9 states have internal predecessors, (2979), 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) [2021-12-28 02:52:44,066 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 331.0) internal successors, (2979), 9 states have internal predecessors, (2979), 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) [2021-12-28 02:52:44,066 INFO L186 Difference]: Start difference. First operand has 225 places, 251 transitions, 904 flow. Second operand 8 states and 2220 transitions. [2021-12-28 02:52:44,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 283 transitions, 1353 flow [2021-12-28 02:52:44,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 283 transitions, 1309 flow, removed 22 selfloop flow, removed 0 redundant places. [2021-12-28 02:52:44,076 INFO L242 Difference]: Finished difference. Result has 238 places, 255 transitions, 959 flow [2021-12-28 02:52:44,076 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=959, PETRI_PLACES=238, PETRI_TRANSITIONS=255} [2021-12-28 02:52:44,077 INFO L334 CegarLoopForPetriNet]: 212 programPoint places, 26 predicate places. [2021-12-28 02:52:44,077 INFO L470 AbstractCegarLoop]: Abstraction has has 238 places, 255 transitions, 959 flow [2021-12-28 02:52:44,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 275.0) internal successors, (1375), 5 states have internal predecessors, (1375), 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) [2021-12-28 02:52:44,078 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:44,078 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:44,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 02:52:44,078 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-12-28 02:52:44,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:44,079 INFO L85 PathProgramCache]: Analyzing trace with hash -956079554, now seen corresponding path program 1 times [2021-12-28 02:52:44,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:44,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853468381] [2021-12-28 02:52:44,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:44,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:44,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:44,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:44,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853468381] [2021-12-28 02:52:44,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853468381] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:44,139 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:44,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 02:52:44,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517309358] [2021-12-28 02:52:44,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:44,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 02:52:44,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:44,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 02:52:44,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 02:52:44,142 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 331 [2021-12-28 02:52:44,143 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 255 transitions, 959 flow. Second operand has 5 states, 5 states have (on average 292.2) internal successors, (1461), 5 states have internal predecessors, (1461), 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) [2021-12-28 02:52:44,143 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:44,143 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 331 [2021-12-28 02:52:44,143 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:44,586 INFO L129 PetriNetUnfolder]: 316/3322 cut-off events. [2021-12-28 02:52:44,586 INFO L130 PetriNetUnfolder]: For 2004/2136 co-relation queries the response was YES. [2021-12-28 02:52:44,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5743 conditions, 3322 events. 316/3322 cut-off events. For 2004/2136 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 27754 event pairs, 15 based on Foata normal form. 3/3100 useless extension candidates. Maximal degree in co-relation 5672. Up to 192 conditions per place. [2021-12-28 02:52:44,609 INFO L132 encePairwiseOnDemand]: 323/331 looper letters, 24 selfloop transitions, 8 changer transitions 0/270 dead transitions. [2021-12-28 02:52:44,609 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 270 transitions, 1067 flow [2021-12-28 02:52:44,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 02:52:44,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-28 02:52:44,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2062 transitions. [2021-12-28 02:52:44,612 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.889943892965041 [2021-12-28 02:52:44,613 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2062 transitions. [2021-12-28 02:52:44,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2062 transitions. [2021-12-28 02:52:44,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:44,614 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2062 transitions. [2021-12-28 02:52:44,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 294.57142857142856) internal successors, (2062), 7 states have internal predecessors, (2062), 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) [2021-12-28 02:52:44,619 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 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) [2021-12-28 02:52:44,619 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 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) [2021-12-28 02:52:44,620 INFO L186 Difference]: Start difference. First operand has 238 places, 255 transitions, 959 flow. Second operand 7 states and 2062 transitions. [2021-12-28 02:52:44,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 270 transitions, 1067 flow [2021-12-28 02:52:44,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 270 transitions, 1037 flow, removed 15 selfloop flow, removed 2 redundant places. [2021-12-28 02:52:44,637 INFO L242 Difference]: Finished difference. Result has 245 places, 262 transitions, 987 flow [2021-12-28 02:52:44,637 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=929, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=987, PETRI_PLACES=245, PETRI_TRANSITIONS=262} [2021-12-28 02:52:44,638 INFO L334 CegarLoopForPetriNet]: 212 programPoint places, 33 predicate places. [2021-12-28 02:52:44,638 INFO L470 AbstractCegarLoop]: Abstraction has has 245 places, 262 transitions, 987 flow [2021-12-28 02:52:44,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 292.2) internal successors, (1461), 5 states have internal predecessors, (1461), 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) [2021-12-28 02:52:44,639 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:44,639 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:44,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 02:52:44,639 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-12-28 02:52:44,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:44,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1553188218, now seen corresponding path program 1 times [2021-12-28 02:52:44,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:44,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880745316] [2021-12-28 02:52:44,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:44,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:44,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:44,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:44,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880745316] [2021-12-28 02:52:44,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880745316] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:44,691 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:44,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 02:52:44,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005899969] [2021-12-28 02:52:44,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:44,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 02:52:44,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:44,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 02:52:44,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 02:52:44,694 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 331 [2021-12-28 02:52:44,695 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 262 transitions, 987 flow. Second operand has 5 states, 5 states have (on average 293.0) internal successors, (1465), 5 states have internal predecessors, (1465), 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) [2021-12-28 02:52:44,695 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:44,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 331 [2021-12-28 02:52:44,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:45,216 INFO L129 PetriNetUnfolder]: 384/4216 cut-off events. [2021-12-28 02:52:45,216 INFO L130 PetriNetUnfolder]: For 2374/2556 co-relation queries the response was YES. [2021-12-28 02:52:45,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7390 conditions, 4216 events. 384/4216 cut-off events. For 2374/2556 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 38132 event pairs, 22 based on Foata normal form. 4/3964 useless extension candidates. Maximal degree in co-relation 6476. Up to 236 conditions per place. [2021-12-28 02:52:45,246 INFO L132 encePairwiseOnDemand]: 324/331 looper letters, 27 selfloop transitions, 9 changer transitions 0/282 dead transitions. [2021-12-28 02:52:45,246 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 282 transitions, 1112 flow [2021-12-28 02:52:45,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 02:52:45,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-28 02:52:45,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2073 transitions. [2021-12-28 02:52:45,249 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8946914113077256 [2021-12-28 02:52:45,249 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2073 transitions. [2021-12-28 02:52:45,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2073 transitions. [2021-12-28 02:52:45,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:45,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2073 transitions. [2021-12-28 02:52:45,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 296.14285714285717) internal successors, (2073), 7 states have internal predecessors, (2073), 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) [2021-12-28 02:52:45,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 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) [2021-12-28 02:52:45,256 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 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) [2021-12-28 02:52:45,256 INFO L186 Difference]: Start difference. First operand has 245 places, 262 transitions, 987 flow. Second operand 7 states and 2073 transitions. [2021-12-28 02:52:45,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 282 transitions, 1112 flow [2021-12-28 02:52:45,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 282 transitions, 1112 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-28 02:52:45,274 INFO L242 Difference]: Finished difference. Result has 257 places, 270 transitions, 1055 flow [2021-12-28 02:52:45,274 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=987, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1055, PETRI_PLACES=257, PETRI_TRANSITIONS=270} [2021-12-28 02:52:45,275 INFO L334 CegarLoopForPetriNet]: 212 programPoint places, 45 predicate places. [2021-12-28 02:52:45,275 INFO L470 AbstractCegarLoop]: Abstraction has has 257 places, 270 transitions, 1055 flow [2021-12-28 02:52:45,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 293.0) internal successors, (1465), 5 states have internal predecessors, (1465), 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) [2021-12-28 02:52:45,276 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:45,276 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:45,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-28 02:52:45,276 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread_usbThread1of1ForFork0Err2INUSE_VIOLATION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-12-28 02:52:45,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:45,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1198564422, now seen corresponding path program 1 times [2021-12-28 02:52:45,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:45,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811056860] [2021-12-28 02:52:45,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:45,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:45,319 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:45,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:45,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811056860] [2021-12-28 02:52:45,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811056860] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:45,320 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:45,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 02:52:45,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708739681] [2021-12-28 02:52:45,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:45,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 02:52:45,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:45,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 02:52:45,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 02:52:45,322 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 331 [2021-12-28 02:52:45,322 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 270 transitions, 1055 flow. Second operand has 3 states, 3 states have (on average 285.3333333333333) internal successors, (856), 3 states have internal predecessors, (856), 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) [2021-12-28 02:52:45,322 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:45,322 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 331 [2021-12-28 02:52:45,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:45,425 INFO L129 PetriNetUnfolder]: 51/679 cut-off events. [2021-12-28 02:52:45,425 INFO L130 PetriNetUnfolder]: For 170/170 co-relation queries the response was YES. [2021-12-28 02:52:45,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1035 conditions, 679 events. 51/679 cut-off events. For 170/170 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2239 event pairs, 0 based on Foata normal form. 0/619 useless extension candidates. Maximal degree in co-relation 989. Up to 46 conditions per place. [2021-12-28 02:52:45,428 INFO L132 encePairwiseOnDemand]: 325/331 looper letters, 14 selfloop transitions, 2 changer transitions 42/223 dead transitions. [2021-12-28 02:52:45,429 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 223 transitions, 738 flow [2021-12-28 02:52:45,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 02:52:45,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-28 02:52:45,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 870 transitions. [2021-12-28 02:52:45,431 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8761329305135952 [2021-12-28 02:52:45,431 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 870 transitions. [2021-12-28 02:52:45,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 870 transitions. [2021-12-28 02:52:45,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:45,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 870 transitions. [2021-12-28 02:52:45,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 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) [2021-12-28 02:52:45,434 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 331.0) internal successors, (1324), 4 states have internal predecessors, (1324), 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) [2021-12-28 02:52:45,434 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 331.0) internal successors, (1324), 4 states have internal predecessors, (1324), 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) [2021-12-28 02:52:45,435 INFO L186 Difference]: Start difference. First operand has 257 places, 270 transitions, 1055 flow. Second operand 3 states and 870 transitions. [2021-12-28 02:52:45,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 223 transitions, 738 flow [2021-12-28 02:52:45,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 223 transitions, 651 flow, removed 19 selfloop flow, removed 22 redundant places. [2021-12-28 02:52:45,439 INFO L242 Difference]: Finished difference. Result has 228 places, 179 transitions, 488 flow [2021-12-28 02:52:45,439 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=607, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=488, PETRI_PLACES=228, PETRI_TRANSITIONS=179} [2021-12-28 02:52:45,440 INFO L334 CegarLoopForPetriNet]: 212 programPoint places, 16 predicate places. [2021-12-28 02:52:45,440 INFO L470 AbstractCegarLoop]: Abstraction has has 228 places, 179 transitions, 488 flow [2021-12-28 02:52:45,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 285.3333333333333) internal successors, (856), 3 states have internal predecessors, (856), 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) [2021-12-28 02:52:45,440 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:45,441 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:45,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-28 02:52:45,441 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-12-28 02:52:45,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:45,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1028844224, now seen corresponding path program 1 times [2021-12-28 02:52:45,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:45,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593720175] [2021-12-28 02:52:45,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:45,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:45,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-28 02:52:45,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:45,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593720175] [2021-12-28 02:52:45,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593720175] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:45,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:45,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 02:52:45,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990646016] [2021-12-28 02:52:45,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:45,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 02:52:45,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:45,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 02:52:45,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 02:52:45,505 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 331 [2021-12-28 02:52:45,505 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 179 transitions, 488 flow. Second operand has 5 states, 5 states have (on average 278.2) internal successors, (1391), 5 states have internal predecessors, (1391), 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) [2021-12-28 02:52:45,506 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:45,506 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 331 [2021-12-28 02:52:45,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:45,576 INFO L129 PetriNetUnfolder]: 31/389 cut-off events. [2021-12-28 02:52:45,577 INFO L130 PetriNetUnfolder]: For 56/68 co-relation queries the response was YES. [2021-12-28 02:52:45,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 559 conditions, 389 events. 31/389 cut-off events. For 56/68 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 615 event pairs, 0 based on Foata normal form. 2/362 useless extension candidates. Maximal degree in co-relation 537. Up to 22 conditions per place. [2021-12-28 02:52:45,580 INFO L132 encePairwiseOnDemand]: 325/331 looper letters, 0 selfloop transitions, 0 changer transitions 187/187 dead transitions. [2021-12-28 02:52:45,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 187 transitions, 583 flow [2021-12-28 02:52:45,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 02:52:45,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-28 02:52:45,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1683 transitions. [2021-12-28 02:52:45,583 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8474320241691843 [2021-12-28 02:52:45,583 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1683 transitions. [2021-12-28 02:52:45,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1683 transitions. [2021-12-28 02:52:45,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:45,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1683 transitions. [2021-12-28 02:52:45,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 280.5) internal successors, (1683), 6 states have internal predecessors, (1683), 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) [2021-12-28 02:52:45,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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) [2021-12-28 02:52:45,589 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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) [2021-12-28 02:52:45,589 INFO L186 Difference]: Start difference. First operand has 228 places, 179 transitions, 488 flow. Second operand 6 states and 1683 transitions. [2021-12-28 02:52:45,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 187 transitions, 583 flow [2021-12-28 02:52:45,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 187 transitions, 550 flow, removed 3 selfloop flow, removed 13 redundant places. [2021-12-28 02:52:45,592 INFO L242 Difference]: Finished difference. Result has 187 places, 0 transitions, 0 flow [2021-12-28 02:52:45,592 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=187, PETRI_TRANSITIONS=0} [2021-12-28 02:52:45,592 INFO L334 CegarLoopForPetriNet]: 212 programPoint places, -25 predicate places. [2021-12-28 02:52:45,592 INFO L470 AbstractCegarLoop]: Abstraction has has 187 places, 0 transitions, 0 flow [2021-12-28 02:52:45,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 278.2) internal successors, (1391), 5 states have internal predecessors, (1391), 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) [2021-12-28 02:52:45,595 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 12 remaining) [2021-12-28 02:52:45,595 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 12 remaining) [2021-12-28 02:52:45,595 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (9 of 12 remaining) [2021-12-28 02:52:45,596 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (8 of 12 remaining) [2021-12-28 02:52:45,596 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (7 of 12 remaining) [2021-12-28 02:52:45,596 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION (6 of 12 remaining) [2021-12-28 02:52:45,596 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 12 remaining) [2021-12-28 02:52:45,596 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0INUSE_VIOLATION (4 of 12 remaining) [2021-12-28 02:52:45,596 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 12 remaining) [2021-12-28 02:52:45,597 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 12 remaining) [2021-12-28 02:52:45,597 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 12 remaining) [2021-12-28 02:52:45,597 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread_usbThread1of1ForFork0Err2INUSE_VIOLATION (0 of 12 remaining) [2021-12-28 02:52:45,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-28 02:52:45,600 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:45,602 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-28 02:52:45,602 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-28 02:52:45,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 02:52:45 BasicIcfg [2021-12-28 02:52:45,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-28 02:52:45,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-28 02:52:45,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-28 02:52:45,605 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-28 02:52:45,605 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:52:41" (3/4) ... [2021-12-28 02:52:45,607 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-28 02:52:45,611 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_ath9k [2021-12-28 02:52:45,611 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_usb [2021-12-28 02:52:45,613 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-12-28 02:52:45,613 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-28 02:52:45,614 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-28 02:52:45,614 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-28 02:52:45,632 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-28 02:52:45,633 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-28 02:52:45,633 INFO L158 Benchmark]: Toolchain (without parser) took 5179.60ms. Allocated memory was 58.7MB in the beginning and 761.3MB in the end (delta: 702.5MB). Free memory was 39.3MB in the beginning and 560.3MB in the end (delta: -520.9MB). Peak memory consumption was 181.3MB. Max. memory is 16.1GB. [2021-12-28 02:52:45,633 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 48.2MB. Free memory was 29.0MB in the beginning and 29.0MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 02:52:45,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 800.74ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 39.2MB in the beginning and 39.8MB in the end (delta: -685.6kB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2021-12-28 02:52:45,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.41ms. Allocated memory is still 71.3MB. Free memory was 39.8MB in the beginning and 36.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-28 02:52:45,634 INFO L158 Benchmark]: Boogie Preprocessor took 58.86ms. Allocated memory is still 71.3MB. Free memory was 36.2MB in the beginning and 33.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-28 02:52:45,634 INFO L158 Benchmark]: RCFGBuilder took 612.42ms. Allocated memory is still 71.3MB. Free memory was 33.3MB in the beginning and 41.0MB in the end (delta: -7.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2021-12-28 02:52:45,634 INFO L158 Benchmark]: TraceAbstraction took 3609.98ms. Allocated memory was 71.3MB in the beginning and 761.3MB in the end (delta: 690.0MB). Free memory was 40.6MB in the beginning and 563.4MB in the end (delta: -522.8MB). Peak memory consumption was 168.2MB. Max. memory is 16.1GB. [2021-12-28 02:52:45,635 INFO L158 Benchmark]: Witness Printer took 27.80ms. Allocated memory is still 761.3MB. Free memory was 563.4MB in the beginning and 560.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-28 02:52:45,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 48.2MB. Free memory was 29.0MB in the beginning and 29.0MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 800.74ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 39.2MB in the beginning and 39.8MB in the end (delta: -685.6kB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.41ms. Allocated memory is still 71.3MB. Free memory was 39.8MB in the beginning and 36.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.86ms. Allocated memory is still 71.3MB. Free memory was 36.2MB in the beginning and 33.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 612.42ms. Allocated memory is still 71.3MB. Free memory was 33.3MB in the beginning and 41.0MB in the end (delta: -7.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3609.98ms. Allocated memory was 71.3MB in the beginning and 761.3MB in the end (delta: 690.0MB). Free memory was 40.6MB in the beginning and 563.4MB in the end (delta: -522.8MB). Peak memory consumption was 168.2MB. Max. memory is 16.1GB. * Witness Printer took 27.80ms. Allocated memory is still 761.3MB. Free memory was 563.4MB in the beginning and 560.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 328 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.4s, OverallIterations: 9, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 270 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 270 mSDsluCounter, 355 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 316 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 443 IncrementalHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 149 mSDtfsCounter, 443 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1055occurred in iteration=7, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 750 NumberOfCodeBlocks, 750 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 741 ConstructedInterpolants, 0 QuantifiedInterpolants, 857 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 23/23 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-12-28 02:52:45,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE