./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 f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 49e2d85226f9a0e01de34099e0818d1a97184f58 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 18:35:24,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 18:35:24,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 18:35:24,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 18:35:24,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 18:35:24,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 18:35:24,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 18:35:24,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 18:35:24,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 18:35:24,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 18:35:24,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 18:35:24,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 18:35:24,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 18:35:24,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 18:35:24,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 18:35:24,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 18:35:24,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 18:35:24,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 18:35:24,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 18:35:24,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 18:35:24,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 18:35:24,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 18:35:24,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 18:35:24,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 18:35:24,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 18:35:24,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 18:35:24,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 18:35:24,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 18:35:24,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 18:35:24,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 18:35:24,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 18:35:24,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 18:35:24,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 18:35:24,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 18:35:24,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 18:35:24,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 18:35:24,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 18:35:24,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 18:35:24,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 18:35:24,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 18:35:24,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 18:35:24,771 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 18:35:24,796 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 18:35:24,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 18:35:24,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 18:35:24,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 18:35:24,799 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 18:35:24,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 18:35:24,800 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 18:35:24,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 18:35:24,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 18:35:24,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 18:35:24,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 18:35:24,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 18:35:24,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 18:35:24,803 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 18:35:24,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 18:35:24,804 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 18:35:24,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 18:35:24,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 18:35:24,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 18:35:24,805 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 18:35:24,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 18:35:24,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 18:35:24,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 18:35:24,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 18:35:24,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 18:35:24,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 18:35:24,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 18:35:24,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 18:35:24,808 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 18:35:24,808 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(__VERIFIER_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 -> 49e2d85226f9a0e01de34099e0818d1a97184f58 [2019-11-28 18:35:25,120 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 18:35:25,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 18:35:25,139 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 18:35:25,141 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 18:35:25,141 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 18:35:25,142 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i [2019-11-28 18:35:25,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f59b40ac4/8b646b2e87f44b2dba6f7e228ab68af0/FLAGe346f8914 [2019-11-28 18:35:25,762 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 18:35:25,765 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i [2019-11-28 18:35:25,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f59b40ac4/8b646b2e87f44b2dba6f7e228ab68af0/FLAGe346f8914 [2019-11-28 18:35:25,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f59b40ac4/8b646b2e87f44b2dba6f7e228ab68af0 [2019-11-28 18:35:25,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 18:35:25,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 18:35:25,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 18:35:25,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 18:35:25,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 18:35:25,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:35:25" (1/1) ... [2019-11-28 18:35:26,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@236deb42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:25, skipping insertion in model container [2019-11-28 18:35:26,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:35:25" (1/1) ... [2019-11-28 18:35:26,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 18:35:26,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 18:35:26,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:35:26,846 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 18:35:26,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:35:27,323 INFO L208 MainTranslator]: Completed translation [2019-11-28 18:35:27,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:27 WrapperNode [2019-11-28 18:35:27,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 18:35:27,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 18:35:27,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 18:35:27,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 18:35:27,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:27" (1/1) ... [2019-11-28 18:35:27,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:27" (1/1) ... [2019-11-28 18:35:27,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 18:35:27,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 18:35:27,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 18:35:27,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 18:35:27,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:27" (1/1) ... [2019-11-28 18:35:27,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:27" (1/1) ... [2019-11-28 18:35:27,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:27" (1/1) ... [2019-11-28 18:35:27,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:27" (1/1) ... [2019-11-28 18:35:27,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:27" (1/1) ... [2019-11-28 18:35:27,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:27" (1/1) ... [2019-11-28 18:35:27,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:27" (1/1) ... [2019-11-28 18:35:27,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 18:35:27,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 18:35:27,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 18:35:27,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 18:35:27,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 18:35:27,610 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2019-11-28 18:35:27,611 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2019-11-28 18:35:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 18:35:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 18:35:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2019-11-28 18:35:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2019-11-28 18:35:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 18:35:27,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 18:35:27,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 18:35:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 18:35:27,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 18:35:27,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 18:35:27,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 18:35:27,618 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 18:35:28,512 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 18:35:28,512 INFO L287 CfgBuilder]: Removed 32 assume(true) statements. [2019-11-28 18:35:28,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:35:28 BoogieIcfgContainer [2019-11-28 18:35:28,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 18:35:28,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 18:35:28,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 18:35:28,519 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 18:35:28,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:35:25" (1/3) ... [2019-11-28 18:35:28,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd69b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:35:28, skipping insertion in model container [2019-11-28 18:35:28,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:27" (2/3) ... [2019-11-28 18:35:28,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd69b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:35:28, skipping insertion in model container [2019-11-28 18:35:28,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:35:28" (3/3) ... [2019-11-28 18:35:28,523 INFO L109 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2019-11-28 18:35:28,534 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-28 18:35:28,534 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 18:35:28,543 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-11-28 18:35:28,544 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-11-28 18:35:28,579 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,580 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,580 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,580 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,581 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,581 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,581 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,582 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,582 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,582 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,582 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,582 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,583 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,583 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,583 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,583 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,584 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,584 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,584 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,584 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,585 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,585 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,585 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,585 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,585 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,586 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,586 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,588 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,588 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,589 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,589 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,589 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,589 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,590 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,590 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,590 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,590 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,591 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,591 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,591 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,591 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,592 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,592 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,592 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,592 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,593 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,593 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,593 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,593 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,594 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,594 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,594 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,594 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,594 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,595 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,595 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,595 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,595 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,596 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,596 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,596 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,596 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,597 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,597 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,597 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,597 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,598 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,598 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,598 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,599 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,599 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,599 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,599 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,600 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,601 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,601 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,601 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,601 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,601 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,602 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,602 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,602 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,603 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,603 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,603 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,604 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,604 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,604 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,604 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,604 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,605 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,605 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,605 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,605 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,606 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,606 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,606 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,606 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,607 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,607 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,607 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,607 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,608 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,608 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,608 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,608 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,609 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,609 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,609 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,609 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,609 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,610 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,610 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,610 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:28,673 INFO L249 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2019-11-28 18:35:28,696 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 18:35:28,697 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 18:35:28,697 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 18:35:28,697 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 18:35:28,697 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 18:35:28,698 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 18:35:28,698 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 18:35:28,698 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 18:35:28,720 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 269 transitions [2019-11-28 18:35:28,723 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 237 places, 269 transitions [2019-11-28 18:35:28,911 INFO L377 tUnfolder$Statistics]: inserting again Event for Transition [584] L1707-1-->thread_ath9kENTRY: Formula: (and (= |v_thread_ath9kThread1of1ForFork0_#in~arg.base_5| 0) (= v_thread_ath9kThread1of1ForFork0_thidvar0_4 0) v_thread_ath9kThread1of1ForFork0_inUse_2 (= |v_thread_ath9kThread1of1ForFork0_#in~arg.offset_5| 0)) InVars {} OutVars{thread_ath9kThread1of1ForFork0_thidvar0=v_thread_ath9kThread1of1ForFork0_thidvar0_4, thread_ath9kThread1of1ForFork0_#in~arg.offset=|v_thread_ath9kThread1of1ForFork0_#in~arg.offset_5|, thread_ath9kThread1of1ForFork0_inUse=v_thread_ath9kThread1of1ForFork0_inUse_2, thread_ath9kThread1of1ForFork0_#in~arg.base=|v_thread_ath9kThread1of1ForFork0_#in~arg.base_5|} AuxVars[] AssignedVars[thread_ath9kThread1of1ForFork0_thidvar0, thread_ath9kThread1of1ForFork0_#in~arg.offset, thread_ath9kThread1of1ForFork0_inUse, thread_ath9kThread1of1ForFork0_#in~arg.base][14] and Marking [18#thread_ath9kENTRYtrue, 3#L1707-2true, 234#(not thread_ath9kThread1of1ForFork0_inUse), 154#L1779-1true, 237#thread_ath9kThread1of1ForFork0_inUse, 239#thread_usbThread1of1ForFork1_inUse] [2019-11-28 18:35:28,912 INFO L378 tUnfolder$Statistics]: new Event has 152 ancestors and is cut-off event [2019-11-28 18:35:28,912 INFO L381 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2019-11-28 18:35:28,918 INFO L134 PetriNetUnfolder]: 65/479 cut-off events. [2019-11-28 18:35:28,919 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:35:28,951 INFO L76 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 479 events. 65/479 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1592 event pairs. 57/449 useless extension candidates. Maximal degree in co-relation 499. Up to 24 conditions per place. [2019-11-28 18:35:29,006 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 237 places, 269 transitions [2019-11-28 18:35:29,088 INFO L377 tUnfolder$Statistics]: inserting again Event for Transition [584] L1707-1-->thread_ath9kENTRY: Formula: (and (= |v_thread_ath9kThread1of1ForFork0_#in~arg.base_5| 0) (= v_thread_ath9kThread1of1ForFork0_thidvar0_4 0) v_thread_ath9kThread1of1ForFork0_inUse_2 (= |v_thread_ath9kThread1of1ForFork0_#in~arg.offset_5| 0)) InVars {} OutVars{thread_ath9kThread1of1ForFork0_thidvar0=v_thread_ath9kThread1of1ForFork0_thidvar0_4, thread_ath9kThread1of1ForFork0_#in~arg.offset=|v_thread_ath9kThread1of1ForFork0_#in~arg.offset_5|, thread_ath9kThread1of1ForFork0_inUse=v_thread_ath9kThread1of1ForFork0_inUse_2, thread_ath9kThread1of1ForFork0_#in~arg.base=|v_thread_ath9kThread1of1ForFork0_#in~arg.base_5|} AuxVars[] AssignedVars[thread_ath9kThread1of1ForFork0_thidvar0, thread_ath9kThread1of1ForFork0_#in~arg.offset, thread_ath9kThread1of1ForFork0_inUse, thread_ath9kThread1of1ForFork0_#in~arg.base][14] and Marking [18#thread_ath9kENTRYtrue, 3#L1707-2true, 234#(not thread_ath9kThread1of1ForFork0_inUse), 154#L1779-1true, 237#thread_ath9kThread1of1ForFork0_inUse, 239#thread_usbThread1of1ForFork1_inUse] [2019-11-28 18:35:29,089 INFO L378 tUnfolder$Statistics]: new Event has 152 ancestors and is cut-off event [2019-11-28 18:35:29,089 INFO L381 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2019-11-28 18:35:29,092 INFO L134 PetriNetUnfolder]: 65/479 cut-off events. [2019-11-28 18:35:29,092 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:35:29,108 INFO L76 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 479 events. 65/479 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1592 event pairs. 57/449 useless extension candidates. Maximal degree in co-relation 499. Up to 24 conditions per place. [2019-11-28 18:35:29,147 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 9678 [2019-11-28 18:35:29,148 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-11-28 18:35:33,951 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 18 [2019-11-28 18:35:37,679 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2019-11-28 18:35:39,166 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-11-28 18:35:39,278 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-28 18:35:40,116 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-11-28 18:35:40,314 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-11-28 18:35:40,622 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-11-28 18:35:40,790 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-11-28 18:35:40,820 INFO L206 etLargeBlockEncoding]: Checked pairs total: 12563 [2019-11-28 18:35:40,821 INFO L214 etLargeBlockEncoding]: Total number of compositions: 316 [2019-11-28 18:35:40,826 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 68 transitions [2019-11-28 18:35:40,900 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 828 states. [2019-11-28 18:35:40,903 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states. [2019-11-28 18:35:40,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2019-11-28 18:35:40,909 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:35:40,910 INFO L410 BasicCegarLoop]: trace histogram [1] [2019-11-28 18:35:40,911 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:35:40,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:35:40,917 INFO L82 PathProgramCache]: Analyzing trace with hash 960, now seen corresponding path program 1 times [2019-11-28 18:35:40,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:35:40,925 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806179405] [2019-11-28 18:35:40,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:35:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:35:41,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:35:41,188 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806179405] [2019-11-28 18:35:41,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:35:41,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2019-11-28 18:35:41,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869660534] [2019-11-28 18:35:41,201 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 18:35:41,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:35:41,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 18:35:41,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 18:35:41,218 INFO L87 Difference]: Start difference. First operand 828 states. Second operand 2 states. [2019-11-28 18:35:41,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:35:41,265 INFO L93 Difference]: Finished difference Result 826 states and 2354 transitions. [2019-11-28 18:35:41,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 18:35:41,267 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2019-11-28 18:35:41,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:35:41,305 INFO L225 Difference]: With dead ends: 826 [2019-11-28 18:35:41,306 INFO L226 Difference]: Without dead ends: 797 [2019-11-28 18:35:41,307 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 18:35:41,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2019-11-28 18:35:41,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 797. [2019-11-28 18:35:41,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 797 states. [2019-11-28 18:35:41,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 2296 transitions. [2019-11-28 18:35:41,456 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 2296 transitions. Word has length 1 [2019-11-28 18:35:41,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:35:41,456 INFO L462 AbstractCegarLoop]: Abstraction has 797 states and 2296 transitions. [2019-11-28 18:35:41,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 18:35:41,457 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 2296 transitions. [2019-11-28 18:35:41,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-28 18:35:41,458 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:35:41,459 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-28 18:35:41,459 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:35:41,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:35:41,459 INFO L82 PathProgramCache]: Analyzing trace with hash 2075173250, now seen corresponding path program 1 times [2019-11-28 18:35:41,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:35:41,460 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945215648] [2019-11-28 18:35:41,460 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:35:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:35:41,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:35:41,674 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945215648] [2019-11-28 18:35:41,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:35:41,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:35:41,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910207607] [2019-11-28 18:35:41,678 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:35:41,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:35:41,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:35:41,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:35:41,680 INFO L87 Difference]: Start difference. First operand 797 states and 2296 transitions. Second operand 4 states. [2019-11-28 18:35:41,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:35:41,859 INFO L93 Difference]: Finished difference Result 1619 states and 4736 transitions. [2019-11-28 18:35:41,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 18:35:41,860 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-11-28 18:35:41,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:35:41,874 INFO L225 Difference]: With dead ends: 1619 [2019-11-28 18:35:41,874 INFO L226 Difference]: Without dead ends: 1595 [2019-11-28 18:35:41,876 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:35:41,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1595 states. [2019-11-28 18:35:41,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1595 to 887. [2019-11-28 18:35:41,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 887 states. [2019-11-28 18:35:41,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 2538 transitions. [2019-11-28 18:35:41,931 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 2538 transitions. Word has length 6 [2019-11-28 18:35:41,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:35:41,934 INFO L462 AbstractCegarLoop]: Abstraction has 887 states and 2538 transitions. [2019-11-28 18:35:41,935 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:35:41,935 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 2538 transitions. [2019-11-28 18:35:41,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 18:35:41,938 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:35:41,938 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:35:41,939 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:35:41,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:35:41,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1423076220, now seen corresponding path program 1 times [2019-11-28 18:35:41,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:35:41,948 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560462545] [2019-11-28 18:35:41,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:35:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:35:42,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:35:42,055 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560462545] [2019-11-28 18:35:42,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:35:42,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:35:42,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462674343] [2019-11-28 18:35:42,056 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 18:35:42,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:35:42,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 18:35:42,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:35:42,057 INFO L87 Difference]: Start difference. First operand 887 states and 2538 transitions. Second operand 3 states. [2019-11-28 18:35:42,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:35:42,122 INFO L93 Difference]: Finished difference Result 906 states and 2483 transitions. [2019-11-28 18:35:42,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:35:42,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-28 18:35:42,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:35:42,130 INFO L225 Difference]: With dead ends: 906 [2019-11-28 18:35:42,130 INFO L226 Difference]: Without dead ends: 865 [2019-11-28 18:35:42,131 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:35:42,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2019-11-28 18:35:42,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 865. [2019-11-28 18:35:42,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 865 states. [2019-11-28 18:35:42,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 2357 transitions. [2019-11-28 18:35:42,163 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 2357 transitions. Word has length 8 [2019-11-28 18:35:42,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:35:42,164 INFO L462 AbstractCegarLoop]: Abstraction has 865 states and 2357 transitions. [2019-11-28 18:35:42,164 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 18:35:42,164 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 2357 transitions. [2019-11-28 18:35:42,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 18:35:42,165 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:35:42,166 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:35:42,166 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:35:42,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:35:42,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1176550797, now seen corresponding path program 1 times [2019-11-28 18:35:42,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:35:42,167 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020897828] [2019-11-28 18:35:42,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:35:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:35:42,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:35:42,233 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020897828] [2019-11-28 18:35:42,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:35:42,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:35:42,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251951944] [2019-11-28 18:35:42,234 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 18:35:42,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:35:42,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 18:35:42,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:35:42,235 INFO L87 Difference]: Start difference. First operand 865 states and 2357 transitions. Second operand 3 states. [2019-11-28 18:35:42,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:35:42,275 INFO L93 Difference]: Finished difference Result 412 states and 1010 transitions. [2019-11-28 18:35:42,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:35:42,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-28 18:35:42,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:35:42,279 INFO L225 Difference]: With dead ends: 412 [2019-11-28 18:35:42,279 INFO L226 Difference]: Without dead ends: 393 [2019-11-28 18:35:42,279 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:35:42,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-11-28 18:35:42,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2019-11-28 18:35:42,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2019-11-28 18:35:42,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 954 transitions. [2019-11-28 18:35:42,292 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 954 transitions. Word has length 9 [2019-11-28 18:35:42,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:35:42,293 INFO L462 AbstractCegarLoop]: Abstraction has 393 states and 954 transitions. [2019-11-28 18:35:42,293 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 18:35:42,293 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 954 transitions. [2019-11-28 18:35:42,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 18:35:42,295 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:35:42,295 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:35:42,295 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:35:42,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:35:42,295 INFO L82 PathProgramCache]: Analyzing trace with hash 2101231688, now seen corresponding path program 1 times [2019-11-28 18:35:42,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:35:42,296 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901220200] [2019-11-28 18:35:42,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:35:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:35:42,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:35:42,362 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901220200] [2019-11-28 18:35:42,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:35:42,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:35:42,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698640711] [2019-11-28 18:35:42,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 18:35:42,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:35:42,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 18:35:42,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:35:42,364 INFO L87 Difference]: Start difference. First operand 393 states and 954 transitions. Second operand 3 states. [2019-11-28 18:35:42,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:35:42,383 INFO L93 Difference]: Finished difference Result 214 states and 518 transitions. [2019-11-28 18:35:42,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:35:42,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-11-28 18:35:42,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:35:42,385 INFO L225 Difference]: With dead ends: 214 [2019-11-28 18:35:42,385 INFO L226 Difference]: Without dead ends: 202 [2019-11-28 18:35:42,386 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:35:42,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2019-11-28 18:35:42,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 180. [2019-11-28 18:35:42,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2019-11-28 18:35:42,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 444 transitions. [2019-11-28 18:35:42,391 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 444 transitions. Word has length 10 [2019-11-28 18:35:42,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:35:42,392 INFO L462 AbstractCegarLoop]: Abstraction has 180 states and 444 transitions. [2019-11-28 18:35:42,392 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 18:35:42,392 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 444 transitions. [2019-11-28 18:35:42,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 18:35:42,393 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:35:42,393 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:35:42,393 INFO L410 AbstractCegarLoop]: === Iteration 6 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:35:42,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:35:42,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1141032469, now seen corresponding path program 1 times [2019-11-28 18:35:42,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:35:42,394 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887182028] [2019-11-28 18:35:42,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:35:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:35:42,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:35:42,448 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887182028] [2019-11-28 18:35:42,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:35:42,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:35:42,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867877752] [2019-11-28 18:35:42,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 18:35:42,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:35:42,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 18:35:42,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:35:42,450 INFO L87 Difference]: Start difference. First operand 180 states and 444 transitions. Second operand 3 states. [2019-11-28 18:35:42,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:35:42,476 INFO L93 Difference]: Finished difference Result 174 states and 433 transitions. [2019-11-28 18:35:42,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:35:42,476 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-11-28 18:35:42,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:35:42,478 INFO L225 Difference]: With dead ends: 174 [2019-11-28 18:35:42,478 INFO L226 Difference]: Without dead ends: 140 [2019-11-28 18:35:42,478 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:35:42,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-11-28 18:35:42,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-11-28 18:35:42,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-28 18:35:42,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 363 transitions. [2019-11-28 18:35:42,483 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 363 transitions. Word has length 13 [2019-11-28 18:35:42,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:35:42,484 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 363 transitions. [2019-11-28 18:35:42,484 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 18:35:42,484 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 363 transitions. [2019-11-28 18:35:42,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 18:35:42,485 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:35:42,485 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:35:42,486 INFO L410 AbstractCegarLoop]: === Iteration 7 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:35:42,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:35:42,486 INFO L82 PathProgramCache]: Analyzing trace with hash 421659588, now seen corresponding path program 1 times [2019-11-28 18:35:42,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:35:42,486 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171298870] [2019-11-28 18:35:42,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:35:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:35:42,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 18:35:42,548 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171298870] [2019-11-28 18:35:42,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:35:42,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:35:42,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719455250] [2019-11-28 18:35:42,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 18:35:42,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:35:42,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 18:35:42,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:35:42,550 INFO L87 Difference]: Start difference. First operand 140 states and 363 transitions. Second operand 3 states. [2019-11-28 18:35:42,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:35:42,569 INFO L93 Difference]: Finished difference Result 254 states and 686 transitions. [2019-11-28 18:35:42,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:35:42,570 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-28 18:35:42,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:35:42,570 INFO L225 Difference]: With dead ends: 254 [2019-11-28 18:35:42,570 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 18:35:42,570 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:35:42,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 18:35:42,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 18:35:42,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 18:35:42,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 18:35:42,571 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2019-11-28 18:35:42,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:35:42,571 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 18:35:42,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 18:35:42,572 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 18:35:42,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 18:35:42,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:35:42 BasicIcfg [2019-11-28 18:35:42,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 18:35:42,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 18:35:42,577 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 18:35:42,577 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 18:35:42,577 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:35:28" (3/4) ... [2019-11-28 18:35:42,581 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 18:35:42,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_ath9k [2019-11-28 18:35:42,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_usb [2019-11-28 18:35:42,594 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-28 18:35:42,595 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-28 18:35:42,595 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 18:35:42,651 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 18:35:42,651 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 18:35:42,653 INFO L168 Benchmark]: Toolchain (without parser) took 16661.02 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 324.0 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -132.9 MB). Peak memory consumption was 191.1 MB. Max. memory is 11.5 GB. [2019-11-28 18:35:42,653 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:35:42,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1331.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 945.5 MB in the beginning and 1.0 GB in the end (delta: -67.0 MB). Peak memory consumption was 106.4 MB. Max. memory is 11.5 GB. [2019-11-28 18:35:42,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:35:42,655 INFO L168 Benchmark]: Boogie Preprocessor took 84.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 18:35:42,655 INFO L168 Benchmark]: RCFGBuilder took 996.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 955.1 MB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. [2019-11-28 18:35:42,656 INFO L168 Benchmark]: TraceAbstraction took 14060.12 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 161.5 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -123.3 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2019-11-28 18:35:42,656 INFO L168 Benchmark]: Witness Printer took 74.62 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-11-28 18:35:42,659 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1331.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 945.5 MB in the beginning and 1.0 GB in the end (delta: -67.0 MB). Peak memory consumption was 106.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 107.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 84.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 996.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 955.1 MB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14060.12 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 161.5 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -123.3 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Witness Printer took 74.62 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 12.1s, 237 ProgramPointsBefore, 54 ProgramPointsAfterwards, 269 TransitionsBefore, 68 TransitionsAfterwards, 9678 CoEnabledTransitionPairs, 8 FixpointIterations, 138 TrivialSequentialCompositions, 125 ConcurrentSequentialCompositions, 19 TrivialYvCompositions, 34 ConcurrentYvCompositions, 20 ChoiceCompositions, 5671 VarBasedMoverChecksPositive, 94 VarBasedMoverChecksNegative, 67 SemBasedMoverChecksPositive, 46 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 0 MoverChecksTotal, 12563 CheckedPairsTotal, 316 TotalNumberOfCompositions - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 161 locations, 6 error locations. Result: SAFE, OverallTime: 13.8s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 385 SDtfs, 161 SDslu, 225 SDs, 0 SdLazy, 88 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=887occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 730 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 751 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...