./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187529a0-edfe-4ee0-8361-090815016d4b/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187529a0-edfe-4ee0-8361-090815016d4b/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187529a0-edfe-4ee0-8361-090815016d4b/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187529a0-edfe-4ee0-8361-090815016d4b/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187529a0-edfe-4ee0-8361-090815016d4b/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187529a0-edfe-4ee0-8361-090815016d4b/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f799b8cb369af433cd7b4f4a2ae1c7efd2306d185f06da0302d2727c00c6bf0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:59:25,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:59:25,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:59:25,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:59:25,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:59:25,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:59:25,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:59:25,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:59:25,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:59:25,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:59:25,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:59:25,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:59:25,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:59:25,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:59:25,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:59:25,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:59:25,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:59:25,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:59:25,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:59:25,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:59:25,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:59:25,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:59:25,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:59:25,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:59:25,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:59:25,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:59:25,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:59:25,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:59:25,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:59:25,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:59:25,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:59:25,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:59:25,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:59:25,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:59:25,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:59:25,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:59:25,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:59:25,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:59:25,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:59:25,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:59:25,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:59:25,639 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187529a0-edfe-4ee0-8361-090815016d4b/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:59:25,681 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:59:25,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:59:25,682 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:59:25,682 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:59:25,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:59:25,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:59:25,684 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:59:25,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:59:25,685 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:59:25,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:59:25,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:59:25,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:59:25,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:59:25,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:59:25,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:59:25,687 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:59:25,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:59:25,688 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:59:25,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:59:25,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:59:25,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:59:25,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:59:25,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:59:25,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:59:25,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:59:25,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:59:25,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:59:25,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:59:25,690 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:59:25,691 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:59:25,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:59:25,692 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:59:25,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187529a0-edfe-4ee0-8361-090815016d4b/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187529a0-edfe-4ee0-8361-090815016d4b/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f799b8cb369af433cd7b4f4a2ae1c7efd2306d185f06da0302d2727c00c6bf0 [2021-10-28 09:59:25,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:59:25,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:59:25,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:59:25,971 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:59:25,972 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:59:25,972 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187529a0-edfe-4ee0-8361-090815016d4b/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i [2021-10-28 09:59:26,053 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187529a0-edfe-4ee0-8361-090815016d4b/bin/uautomizer-UnR33cPsHg/data/ee3258933/b5accd78bef24dcb8557f13f189c6fb5/FLAGb65a3df94 [2021-10-28 09:59:26,658 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:59:26,658 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187529a0-edfe-4ee0-8361-090815016d4b/sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i [2021-10-28 09:59:26,680 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187529a0-edfe-4ee0-8361-090815016d4b/bin/uautomizer-UnR33cPsHg/data/ee3258933/b5accd78bef24dcb8557f13f189c6fb5/FLAGb65a3df94 [2021-10-28 09:59:26,862 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187529a0-edfe-4ee0-8361-090815016d4b/bin/uautomizer-UnR33cPsHg/data/ee3258933/b5accd78bef24dcb8557f13f189c6fb5 [2021-10-28 09:59:26,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:59:26,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:59:26,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:59:26,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:59:26,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:59:26,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:59:26" (1/1) ... [2021-10-28 09:59:26,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11fadd14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:26, skipping insertion in model container [2021-10-28 09:59:26,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:59:26" (1/1) ... [2021-10-28 09:59:26,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:59:26,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:59:27,642 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187529a0-edfe-4ee0-8361-090815016d4b/sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i[76081,76094] [2021-10-28 09:59:27,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:59:27,712 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:59:27,798 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187529a0-edfe-4ee0-8361-090815016d4b/sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i[76081,76094] [2021-10-28 09:59:27,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:59:28,006 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:59:28,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:28 WrapperNode [2021-10-28 09:59:28,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:59:28,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:59:28,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:59:28,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:59:28,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:28" (1/1) ... [2021-10-28 09:59:28,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:28" (1/1) ... [2021-10-28 09:59:28,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:59:28,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:59:28,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:59:28,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:59:28,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:28" (1/1) ... [2021-10-28 09:59:28,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:28" (1/1) ... [2021-10-28 09:59:28,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:28" (1/1) ... [2021-10-28 09:59:28,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:28" (1/1) ... [2021-10-28 09:59:28,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:28" (1/1) ... [2021-10-28 09:59:28,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:28" (1/1) ... [2021-10-28 09:59:28,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:28" (1/1) ... [2021-10-28 09:59:28,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:59:28,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:59:28,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:59:28,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:59:28,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:28" (1/1) ... [2021-10-28 09:59:28,226 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:59:28,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187529a0-edfe-4ee0-8361-090815016d4b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:59:28,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187529a0-edfe-4ee0-8361-090815016d4b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:59:28,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187529a0-edfe-4ee0-8361-090815016d4b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:59:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2021-10-28 09:59:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2021-10-28 09:59:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:59:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:59:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2021-10-28 09:59:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2021-10-28 09:59:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-28 09:59:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 09:59:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:59:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:59:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:59:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:59:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:59:28,295 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-28 09:59:28,997 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:59:28,997 INFO L299 CfgBuilder]: Removed 34 assume(true) statements. [2021-10-28 09:59:28,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:59:28 BoogieIcfgContainer [2021-10-28 09:59:28,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:59:29,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:59:29,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:59:29,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:59:29,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:59:26" (1/3) ... [2021-10-28 09:59:29,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a78976f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:59:29, skipping insertion in model container [2021-10-28 09:59:29,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:28" (2/3) ... [2021-10-28 09:59:29,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a78976f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:59:29, skipping insertion in model container [2021-10-28 09:59:29,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:59:28" (3/3) ... [2021-10-28 09:59:29,031 INFO L111 eAbstractionObserver]: Analyzing ICFG race-4_2-thread_local_vars.i [2021-10-28 09:59:29,037 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-28 09:59:29,037 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:59:29,037 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2021-10-28 09:59:29,037 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-28 09:59:29,099 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,099 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,099 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,099 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,100 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,100 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,100 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,101 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,101 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,101 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,101 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,102 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,102 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,102 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,102 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,103 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,103 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,103 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,103 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,103 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,104 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,104 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,104 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,104 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,105 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,105 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,105 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,105 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,105 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,106 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,106 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,106 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,107 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,107 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,107 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,108 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,108 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,108 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,108 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,108 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,109 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,109 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,109 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,109 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,110 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,110 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,110 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,110 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,110 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,111 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,111 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,111 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,111 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,111 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,113 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,114 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,114 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,114 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,114 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,114 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,115 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,115 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,115 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,115 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,116 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,116 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,116 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,116 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,116 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,117 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,117 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,117 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,117 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,118 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,118 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,118 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,118 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,118 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,119 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,119 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,119 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,119 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,119 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,120 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,120 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,120 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,120 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,120 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,121 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,121 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,121 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,121 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,122 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,122 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,153 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,154 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,154 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,154 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,154 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,155 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,155 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,155 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,155 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,155 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,155 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,156 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,156 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,156 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,156 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,156 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,157 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,157 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,157 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,157 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,157 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,157 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,158 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,158 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,158 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,158 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,158 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,158 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,158 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,159 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,159 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,159 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,159 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,159 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,159 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,160 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,160 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,160 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,160 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,160 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,160 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,161 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,161 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,161 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,183 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,183 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,183 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,184 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,184 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,184 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,184 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,184 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,184 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,185 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,185 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,186 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,186 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,186 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,186 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,186 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,187 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,187 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,187 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,187 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,187 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,187 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,188 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,188 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,188 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,188 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,188 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,189 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,189 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,189 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,189 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,189 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,190 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,190 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,190 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,190 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,190 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,190 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,191 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,191 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,191 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,191 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,191 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,192 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,192 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,192 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,192 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,192 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,192 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,193 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,193 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,193 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,210 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,210 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,211 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,211 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,211 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,211 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,211 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,211 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,212 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,212 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,212 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,212 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,212 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,212 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,212 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,212 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,212 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,213 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,213 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,213 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,213 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,213 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,213 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,213 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,213 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,213 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,214 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,214 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,214 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,214 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,214 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,214 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,214 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,215 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,215 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,215 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,215 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,215 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,215 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,215 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,216 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,216 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,216 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,216 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,216 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,216 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,217 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,217 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,217 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,217 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,224 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,225 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,225 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,225 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,225 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,225 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,226 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,226 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,232 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,234 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,234 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,234 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,235 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,235 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,235 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,235 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,235 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,236 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,236 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,241 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,242 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,242 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,242 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,242 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,242 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,243 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,243 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,243 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,243 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,243 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,249 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,249 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,250 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,250 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,250 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,250 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,250 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,250 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,251 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,254 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,254 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,255 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,255 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,255 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,255 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,255 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,255 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,256 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:59:29,290 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-10-28 09:59:29,346 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:59:29,354 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:59:29,354 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-10-28 09:59:29,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 272 places, 304 transitions, 638 flow [2021-10-28 09:59:29,499 INFO L129 PetriNetUnfolder]: 35/311 cut-off events. [2021-10-28 09:59:29,499 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-28 09:59:29,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 323 conditions, 311 events. 35/311 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 788 event pairs, 0 based on Foata normal form. 0/261 useless extension candidates. Maximal degree in co-relation 219. Up to 14 conditions per place. [2021-10-28 09:59:29,515 INFO L82 GeneralOperation]: Start removeDead. Operand has 272 places, 304 transitions, 638 flow [2021-10-28 09:59:29,526 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 188 places, 204 transitions, 425 flow [2021-10-28 09:59:29,544 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-10-28 09:59:29,545 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 09:59:29,545 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:59:29,546 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:59:29,546 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-28 09:59:29,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:59:29,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1927937724, now seen corresponding path program 1 times [2021-10-28 09:59:29,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:59:29,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228315636] [2021-10-28 09:59:29,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:59:29,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:59:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:59:30,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:59:30,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:59:30,072 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228315636] [2021-10-28 09:59:30,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228315636] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:59:30,073 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:59:30,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:59:30,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334600900] [2021-10-28 09:59:30,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:59:30,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:59:30,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:59:30,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:59:30,110 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 304 [2021-10-28 09:59:30,118 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 204 transitions, 425 flow. Second operand has 5 states, 5 states have (on average 246.2) internal successors, (1231), 5 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:30,119 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:59:30,119 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 304 [2021-10-28 09:59:30,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:59:30,396 INFO L129 PetriNetUnfolder]: 82/629 cut-off events. [2021-10-28 09:59:30,396 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-28 09:59:30,404 INFO L84 FinitePrefix]: Finished finitePrefix Result has 742 conditions, 629 events. 82/629 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2894 event pairs, 7 based on Foata normal form. 46/588 useless extension candidates. Maximal degree in co-relation 542. Up to 49 conditions per place. [2021-10-28 09:59:30,411 INFO L132 encePairwiseOnDemand]: 282/304 looper letters, 20 selfloop transitions, 12 changer transitions 0/193 dead transitions. [2021-10-28 09:59:30,412 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 193 transitions, 467 flow [2021-10-28 09:59:30,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:59:30,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-28 09:59:30,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1767 transitions. [2021-10-28 09:59:30,441 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8303571428571429 [2021-10-28 09:59:30,442 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1767 transitions. [2021-10-28 09:59:30,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1767 transitions. [2021-10-28 09:59:30,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:59:30,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1767 transitions. [2021-10-28 09:59:30,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 252.42857142857142) internal successors, (1767), 7 states have internal predecessors, (1767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:30,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 304.0) internal successors, (2432), 8 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:30,478 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 304.0) internal successors, (2432), 8 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:30,480 INFO L186 Difference]: Start difference. First operand has 188 places, 204 transitions, 425 flow. Second operand 7 states and 1767 transitions. [2021-10-28 09:59:30,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 193 transitions, 467 flow [2021-10-28 09:59:30,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 193 transitions, 463 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-28 09:59:30,499 INFO L242 Difference]: Finished difference. Result has 185 places, 189 transitions, 426 flow [2021-10-28 09:59:30,501 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=426, PETRI_PLACES=185, PETRI_TRANSITIONS=189} [2021-10-28 09:59:30,502 INFO L334 CegarLoopForPetriNet]: 188 programPoint places, -3 predicate places. [2021-10-28 09:59:30,502 INFO L470 AbstractCegarLoop]: Abstraction has has 185 places, 189 transitions, 426 flow [2021-10-28 09:59:30,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 246.2) internal successors, (1231), 5 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:30,504 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:59:30,505 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:59:30,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:59:30,511 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-28 09:59:30,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:59:30,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1820247975, now seen corresponding path program 1 times [2021-10-28 09:59:30,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:59:30,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459406748] [2021-10-28 09:59:30,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:59:30,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:59:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:59:30,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:59:30,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:59:30,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459406748] [2021-10-28 09:59:30,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459406748] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:59:30,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:59:30,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:59:30,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256258032] [2021-10-28 09:59:30,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:59:30,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:59:30,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:59:30,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:59:30,715 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 304 [2021-10-28 09:59:30,717 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 189 transitions, 426 flow. Second operand has 5 states, 5 states have (on average 247.2) internal successors, (1236), 5 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:30,717 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:59:30,717 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 304 [2021-10-28 09:59:30,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:59:30,901 INFO L129 PetriNetUnfolder]: 84/659 cut-off events. [2021-10-28 09:59:30,902 INFO L130 PetriNetUnfolder]: For 45/51 co-relation queries the response was YES. [2021-10-28 09:59:30,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 831 conditions, 659 events. 84/659 cut-off events. For 45/51 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3037 event pairs, 11 based on Foata normal form. 1/572 useless extension candidates. Maximal degree in co-relation 567. Up to 63 conditions per place. [2021-10-28 09:59:30,910 INFO L132 encePairwiseOnDemand]: 296/304 looper letters, 22 selfloop transitions, 3 changer transitions 6/189 dead transitions. [2021-10-28 09:59:30,910 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 189 transitions, 486 flow [2021-10-28 09:59:30,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:59:30,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-28 09:59:30,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1497 transitions. [2021-10-28 09:59:30,917 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8207236842105263 [2021-10-28 09:59:30,917 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1497 transitions. [2021-10-28 09:59:30,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1497 transitions. [2021-10-28 09:59:30,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:59:30,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1497 transitions. [2021-10-28 09:59:30,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 249.5) internal successors, (1497), 6 states have internal predecessors, (1497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:30,929 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 304.0) internal successors, (2128), 7 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:30,931 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 304.0) internal successors, (2128), 7 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:30,931 INFO L186 Difference]: Start difference. First operand has 185 places, 189 transitions, 426 flow. Second operand 6 states and 1497 transitions. [2021-10-28 09:59:30,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 189 transitions, 486 flow [2021-10-28 09:59:30,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 189 transitions, 467 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-10-28 09:59:30,942 INFO L242 Difference]: Finished difference. Result has 183 places, 181 transitions, 395 flow [2021-10-28 09:59:30,943 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=403, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=395, PETRI_PLACES=183, PETRI_TRANSITIONS=181} [2021-10-28 09:59:30,944 INFO L334 CegarLoopForPetriNet]: 188 programPoint places, -5 predicate places. [2021-10-28 09:59:30,944 INFO L470 AbstractCegarLoop]: Abstraction has has 183 places, 181 transitions, 395 flow [2021-10-28 09:59:30,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 247.2) internal successors, (1236), 5 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:30,947 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:59:30,947 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:59:30,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:59:30,948 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-28 09:59:30,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:59:30,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1547888519, now seen corresponding path program 1 times [2021-10-28 09:59:30,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:59:30,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499284475] [2021-10-28 09:59:30,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:59:30,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:59:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:59:31,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:59:31,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:59:31,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499284475] [2021-10-28 09:59:31,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499284475] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:59:31,113 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:59:31,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:59:31,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290125337] [2021-10-28 09:59:31,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:59:31,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:59:31,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:59:31,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:59:31,119 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 304 [2021-10-28 09:59:31,121 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 181 transitions, 395 flow. Second operand has 5 states, 5 states have (on average 245.8) internal successors, (1229), 5 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:31,122 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:59:31,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 304 [2021-10-28 09:59:31,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:59:31,416 INFO L129 PetriNetUnfolder]: 138/893 cut-off events. [2021-10-28 09:59:31,417 INFO L130 PetriNetUnfolder]: For 63/69 co-relation queries the response was YES. [2021-10-28 09:59:31,422 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1188 conditions, 893 events. 138/893 cut-off events. For 63/69 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 5143 event pairs, 13 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 1101. Up to 72 conditions per place. [2021-10-28 09:59:31,431 INFO L132 encePairwiseOnDemand]: 292/304 looper letters, 42 selfloop transitions, 20 changer transitions 0/214 dead transitions. [2021-10-28 09:59:31,431 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 214 transitions, 603 flow [2021-10-28 09:59:31,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:59:31,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-28 09:59:31,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2257 transitions. [2021-10-28 09:59:31,438 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8249269005847953 [2021-10-28 09:59:31,438 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2257 transitions. [2021-10-28 09:59:31,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2257 transitions. [2021-10-28 09:59:31,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:59:31,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2257 transitions. [2021-10-28 09:59:31,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 250.77777777777777) internal successors, (2257), 9 states have internal predecessors, (2257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:31,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 304.0) internal successors, (3040), 10 states have internal predecessors, (3040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:31,459 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 304.0) internal successors, (3040), 10 states have internal predecessors, (3040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:31,459 INFO L186 Difference]: Start difference. First operand has 183 places, 181 transitions, 395 flow. Second operand 9 states and 2257 transitions. [2021-10-28 09:59:31,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 214 transitions, 603 flow [2021-10-28 09:59:31,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 214 transitions, 597 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-28 09:59:31,470 INFO L242 Difference]: Finished difference. Result has 187 places, 196 transitions, 536 flow [2021-10-28 09:59:31,471 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=536, PETRI_PLACES=187, PETRI_TRANSITIONS=196} [2021-10-28 09:59:31,471 INFO L334 CegarLoopForPetriNet]: 188 programPoint places, -1 predicate places. [2021-10-28 09:59:31,471 INFO L470 AbstractCegarLoop]: Abstraction has has 187 places, 196 transitions, 536 flow [2021-10-28 09:59:31,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 245.8) internal successors, (1229), 5 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:31,473 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:59:31,473 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:59:31,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:59:31,474 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-28 09:59:31,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:59:31,474 INFO L85 PathProgramCache]: Analyzing trace with hash 822620125, now seen corresponding path program 1 times [2021-10-28 09:59:31,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:59:31,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009545462] [2021-10-28 09:59:31,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:59:31,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:59:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:59:31,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:59:31,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:59:31,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009545462] [2021-10-28 09:59:31,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009545462] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:59:31,622 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:59:31,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:59:31,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782917466] [2021-10-28 09:59:31,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:59:31,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:59:31,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:59:31,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:59:31,638 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 304 [2021-10-28 09:59:31,640 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 196 transitions, 536 flow. Second operand has 5 states, 5 states have (on average 252.8) internal successors, (1264), 5 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:31,640 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:59:31,640 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 304 [2021-10-28 09:59:31,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:59:32,197 INFO L129 PetriNetUnfolder]: 393/2402 cut-off events. [2021-10-28 09:59:32,199 INFO L130 PetriNetUnfolder]: For 1198/1266 co-relation queries the response was YES. [2021-10-28 09:59:32,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3825 conditions, 2402 events. 393/2402 cut-off events. For 1198/1266 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 18785 event pairs, 38 based on Foata normal form. 18/2164 useless extension candidates. Maximal degree in co-relation 3211. Up to 145 conditions per place. [2021-10-28 09:59:32,231 INFO L132 encePairwiseOnDemand]: 293/304 looper letters, 63 selfloop transitions, 43 changer transitions 0/273 dead transitions. [2021-10-28 09:59:32,232 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 273 transitions, 1106 flow [2021-10-28 09:59:32,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:59:32,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-28 09:59:32,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2345 transitions. [2021-10-28 09:59:32,239 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8570906432748538 [2021-10-28 09:59:32,239 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2345 transitions. [2021-10-28 09:59:32,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2345 transitions. [2021-10-28 09:59:32,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:59:32,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2345 transitions. [2021-10-28 09:59:32,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 260.55555555555554) internal successors, (2345), 9 states have internal predecessors, (2345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:32,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 304.0) internal successors, (3040), 10 states have internal predecessors, (3040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:32,260 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 304.0) internal successors, (3040), 10 states have internal predecessors, (3040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:32,260 INFO L186 Difference]: Start difference. First operand has 187 places, 196 transitions, 536 flow. Second operand 9 states and 2345 transitions. [2021-10-28 09:59:32,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 273 transitions, 1106 flow [2021-10-28 09:59:32,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 273 transitions, 1082 flow, removed 12 selfloop flow, removed 0 redundant places. [2021-10-28 09:59:32,278 INFO L242 Difference]: Finished difference. Result has 202 places, 232 transitions, 924 flow [2021-10-28 09:59:32,279 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=924, PETRI_PLACES=202, PETRI_TRANSITIONS=232} [2021-10-28 09:59:32,279 INFO L334 CegarLoopForPetriNet]: 188 programPoint places, 14 predicate places. [2021-10-28 09:59:32,279 INFO L470 AbstractCegarLoop]: Abstraction has has 202 places, 232 transitions, 924 flow [2021-10-28 09:59:32,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 252.8) internal successors, (1264), 5 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:32,280 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:59:32,281 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:59:32,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:59:32,281 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-28 09:59:32,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:59:32,282 INFO L85 PathProgramCache]: Analyzing trace with hash 241934163, now seen corresponding path program 1 times [2021-10-28 09:59:32,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:59:32,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711652849] [2021-10-28 09:59:32,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:59:32,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:59:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:59:32,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:59:32,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:59:32,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711652849] [2021-10-28 09:59:32,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711652849] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:59:32,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:59:32,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:59:32,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610218821] [2021-10-28 09:59:32,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:59:32,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:59:32,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:59:32,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:59:32,470 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 304 [2021-10-28 09:59:32,472 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 232 transitions, 924 flow. Second operand has 5 states, 5 states have (on average 245.8) internal successors, (1229), 5 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:32,473 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:59:32,473 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 304 [2021-10-28 09:59:32,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:59:33,201 INFO L129 PetriNetUnfolder]: 514/3119 cut-off events. [2021-10-28 09:59:33,202 INFO L130 PetriNetUnfolder]: For 4353/4603 co-relation queries the response was YES. [2021-10-28 09:59:33,229 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6087 conditions, 3119 events. 514/3119 cut-off events. For 4353/4603 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 25284 event pairs, 50 based on Foata normal form. 37/2833 useless extension candidates. Maximal degree in co-relation 5094. Up to 243 conditions per place. [2021-10-28 09:59:33,253 INFO L132 encePairwiseOnDemand]: 289/304 looper letters, 97 selfloop transitions, 46 changer transitions 0/303 dead transitions. [2021-10-28 09:59:33,253 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 303 transitions, 1833 flow [2021-10-28 09:59:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:59:33,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-28 09:59:33,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2264 transitions. [2021-10-28 09:59:33,260 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.827485380116959 [2021-10-28 09:59:33,261 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2264 transitions. [2021-10-28 09:59:33,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2264 transitions. [2021-10-28 09:59:33,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:59:33,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2264 transitions. [2021-10-28 09:59:33,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 251.55555555555554) internal successors, (2264), 9 states have internal predecessors, (2264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:33,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 304.0) internal successors, (3040), 10 states have internal predecessors, (3040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:33,278 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 304.0) internal successors, (3040), 10 states have internal predecessors, (3040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:33,279 INFO L186 Difference]: Start difference. First operand has 202 places, 232 transitions, 924 flow. Second operand 9 states and 2264 transitions. [2021-10-28 09:59:33,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 303 transitions, 1833 flow [2021-10-28 09:59:33,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 303 transitions, 1773 flow, removed 30 selfloop flow, removed 0 redundant places. [2021-10-28 09:59:33,305 INFO L242 Difference]: Finished difference. Result has 216 places, 264 transitions, 1403 flow [2021-10-28 09:59:33,305 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1403, PETRI_PLACES=216, PETRI_TRANSITIONS=264} [2021-10-28 09:59:33,306 INFO L334 CegarLoopForPetriNet]: 188 programPoint places, 28 predicate places. [2021-10-28 09:59:33,306 INFO L470 AbstractCegarLoop]: Abstraction has has 216 places, 264 transitions, 1403 flow [2021-10-28 09:59:33,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 245.8) internal successors, (1229), 5 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:33,307 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:59:33,307 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:59:33,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:59:33,307 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-28 09:59:33,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:59:33,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1021040212, now seen corresponding path program 1 times [2021-10-28 09:59:33,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:59:33,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917531127] [2021-10-28 09:59:33,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:59:33,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:59:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:59:33,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:59:33,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:59:33,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917531127] [2021-10-28 09:59:33,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917531127] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:59:33,426 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:59:33,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:59:33,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122691902] [2021-10-28 09:59:33,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:59:33,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:59:33,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:59:33,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:59:33,430 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 304 [2021-10-28 09:59:33,432 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 264 transitions, 1403 flow. Second operand has 5 states, 5 states have (on average 247.6) internal successors, (1238), 5 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:33,432 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:59:33,432 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 304 [2021-10-28 09:59:33,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:59:34,179 INFO L129 PetriNetUnfolder]: 513/3111 cut-off events. [2021-10-28 09:59:34,180 INFO L130 PetriNetUnfolder]: For 5851/6126 co-relation queries the response was YES. [2021-10-28 09:59:34,211 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6537 conditions, 3111 events. 513/3111 cut-off events. For 5851/6126 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 25183 event pairs, 39 based on Foata normal form. 11/2796 useless extension candidates. Maximal degree in co-relation 5283. Up to 392 conditions per place. [2021-10-28 09:59:34,231 INFO L132 encePairwiseOnDemand]: 296/304 looper letters, 87 selfloop transitions, 14 changer transitions 17/296 dead transitions. [2021-10-28 09:59:34,231 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 296 transitions, 1911 flow [2021-10-28 09:59:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:59:34,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-10-28 09:59:34,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2001 transitions. [2021-10-28 09:59:34,237 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8227796052631579 [2021-10-28 09:59:34,238 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2001 transitions. [2021-10-28 09:59:34,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2001 transitions. [2021-10-28 09:59:34,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:59:34,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2001 transitions. [2021-10-28 09:59:34,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 250.125) internal successors, (2001), 8 states have internal predecessors, (2001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:34,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 304.0) internal successors, (2736), 9 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:34,254 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 304.0) internal successors, (2736), 9 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:34,254 INFO L186 Difference]: Start difference. First operand has 216 places, 264 transitions, 1403 flow. Second operand 8 states and 2001 transitions. [2021-10-28 09:59:34,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 296 transitions, 1911 flow [2021-10-28 09:59:34,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 296 transitions, 1771 flow, removed 67 selfloop flow, removed 1 redundant places. [2021-10-28 09:59:34,288 INFO L242 Difference]: Finished difference. Result has 228 places, 269 transitions, 1364 flow [2021-10-28 09:59:34,289 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=1277, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1364, PETRI_PLACES=228, PETRI_TRANSITIONS=269} [2021-10-28 09:59:34,289 INFO L334 CegarLoopForPetriNet]: 188 programPoint places, 40 predicate places. [2021-10-28 09:59:34,290 INFO L470 AbstractCegarLoop]: Abstraction has has 228 places, 269 transitions, 1364 flow [2021-10-28 09:59:34,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 247.6) internal successors, (1238), 5 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:34,290 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:59:34,291 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:59:34,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:59:34,291 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-28 09:59:34,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:59:34,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1250943270, now seen corresponding path program 1 times [2021-10-28 09:59:34,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:59:34,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864223117] [2021-10-28 09:59:34,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:59:34,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:59:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:59:34,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:59:34,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:59:34,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864223117] [2021-10-28 09:59:34,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864223117] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:59:34,383 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:59:34,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:59:34,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506930286] [2021-10-28 09:59:34,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:59:34,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:59:34,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:59:34,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:59:34,387 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 304 [2021-10-28 09:59:34,389 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 269 transitions, 1364 flow. Second operand has 5 states, 5 states have (on average 268.0) internal successors, (1340), 5 states have internal predecessors, (1340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:34,389 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:59:34,389 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 304 [2021-10-28 09:59:34,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:59:35,611 INFO L129 PetriNetUnfolder]: 700/5158 cut-off events. [2021-10-28 09:59:35,611 INFO L130 PetriNetUnfolder]: For 6574/6886 co-relation queries the response was YES. [2021-10-28 09:59:35,672 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10260 conditions, 5158 events. 700/5158 cut-off events. For 6574/6886 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 50082 event pairs, 24 based on Foata normal form. 33/4656 useless extension candidates. Maximal degree in co-relation 10175. Up to 283 conditions per place. [2021-10-28 09:59:35,705 INFO L132 encePairwiseOnDemand]: 296/304 looper letters, 13 selfloop transitions, 8 changer transitions 0/278 dead transitions. [2021-10-28 09:59:35,706 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 278 transitions, 1424 flow [2021-10-28 09:59:35,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:59:35,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-28 09:59:35,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1884 transitions. [2021-10-28 09:59:35,715 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8853383458646616 [2021-10-28 09:59:35,715 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1884 transitions. [2021-10-28 09:59:35,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1884 transitions. [2021-10-28 09:59:35,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:59:35,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1884 transitions. [2021-10-28 09:59:35,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 269.14285714285717) internal successors, (1884), 7 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:35,731 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 304.0) internal successors, (2432), 8 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:35,741 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 304.0) internal successors, (2432), 8 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:35,743 INFO L186 Difference]: Start difference. First operand has 228 places, 269 transitions, 1364 flow. Second operand 7 states and 1884 transitions. [2021-10-28 09:59:35,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 278 transitions, 1424 flow [2021-10-28 09:59:35,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 278 transitions, 1390 flow, removed 17 selfloop flow, removed 2 redundant places. [2021-10-28 09:59:35,805 INFO L242 Difference]: Finished difference. Result has 235 places, 276 transitions, 1388 flow [2021-10-28 09:59:35,806 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=1330, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1388, PETRI_PLACES=235, PETRI_TRANSITIONS=276} [2021-10-28 09:59:35,806 INFO L334 CegarLoopForPetriNet]: 188 programPoint places, 47 predicate places. [2021-10-28 09:59:35,806 INFO L470 AbstractCegarLoop]: Abstraction has has 235 places, 276 transitions, 1388 flow [2021-10-28 09:59:35,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 268.0) internal successors, (1340), 5 states have internal predecessors, (1340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:35,808 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:59:35,808 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:59:35,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:59:35,808 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-28 09:59:35,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:59:35,809 INFO L85 PathProgramCache]: Analyzing trace with hash -575762106, now seen corresponding path program 1 times [2021-10-28 09:59:35,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:59:35,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825049785] [2021-10-28 09:59:35,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:59:35,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:59:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:59:35,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:59:35,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:59:35,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825049785] [2021-10-28 09:59:35,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825049785] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:59:35,900 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:59:35,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:59:35,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704064719] [2021-10-28 09:59:35,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:59:35,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:59:35,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:59:35,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:59:35,905 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 304 [2021-10-28 09:59:35,907 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 276 transitions, 1388 flow. Second operand has 5 states, 5 states have (on average 268.8) internal successors, (1344), 5 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:35,907 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:59:35,907 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 304 [2021-10-28 09:59:35,907 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:59:37,269 INFO L129 PetriNetUnfolder]: 708/5694 cut-off events. [2021-10-28 09:59:37,269 INFO L130 PetriNetUnfolder]: For 7242/7549 co-relation queries the response was YES. [2021-10-28 09:59:37,461 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11671 conditions, 5694 events. 708/5694 cut-off events. For 7242/7549 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 57219 event pairs, 26 based on Foata normal form. 44/5217 useless extension candidates. Maximal degree in co-relation 10859. Up to 318 conditions per place. [2021-10-28 09:59:37,484 INFO L132 encePairwiseOnDemand]: 297/304 looper letters, 17 selfloop transitions, 9 changer transitions 4/285 dead transitions. [2021-10-28 09:59:37,485 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 285 transitions, 1411 flow [2021-10-28 09:59:37,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:59:37,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-28 09:59:37,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1896 transitions. [2021-10-28 09:59:37,491 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8909774436090225 [2021-10-28 09:59:37,491 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1896 transitions. [2021-10-28 09:59:37,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1896 transitions. [2021-10-28 09:59:37,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:59:37,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1896 transitions. [2021-10-28 09:59:37,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 270.85714285714283) internal successors, (1896), 7 states have internal predecessors, (1896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:37,503 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 304.0) internal successors, (2432), 8 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:37,504 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 304.0) internal successors, (2432), 8 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:37,504 INFO L186 Difference]: Start difference. First operand has 235 places, 276 transitions, 1388 flow. Second operand 7 states and 1896 transitions. [2021-10-28 09:59:37,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 285 transitions, 1411 flow [2021-10-28 09:59:37,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 285 transitions, 1411 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-28 09:59:37,567 INFO L242 Difference]: Finished difference. Result has 247 places, 274 transitions, 1358 flow [2021-10-28 09:59:37,567 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=1329, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1358, PETRI_PLACES=247, PETRI_TRANSITIONS=274} [2021-10-28 09:59:37,568 INFO L334 CegarLoopForPetriNet]: 188 programPoint places, 59 predicate places. [2021-10-28 09:59:37,568 INFO L470 AbstractCegarLoop]: Abstraction has has 247 places, 274 transitions, 1358 flow [2021-10-28 09:59:37,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 268.8) internal successors, (1344), 5 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:59:37,569 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:59:37,569 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:59:37,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:59:37,569 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-28 09:59:37,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:59:37,570 INFO L85 PathProgramCache]: Analyzing trace with hash 594432313, now seen corresponding path program 1 times [2021-10-28 09:59:37,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:59:37,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376306506] [2021-10-28 09:59:37,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:59:37,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:59:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:59:37,607 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:59:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:59:37,677 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:59:37,677 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 09:59:37,678 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:59:37,680 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:59:37,683 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:59:37,683 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:59:37,683 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:59:37,684 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-28 09:59:37,684 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:59:37,684 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:59:37,684 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:59:37,684 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr2INUSE_VIOLATION [2021-10-28 09:59:37,684 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:59:37,685 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:59:37,685 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:59:37,685 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbThread1of1ForFork0Err1INUSE_VIOLATION [2021-10-28 09:59:37,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:59:37,688 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:59:37,696 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-28 09:59:37,696 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:59:37,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:59:37 BasicIcfg [2021-10-28 09:59:37,814 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:59:37,815 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:59:37,815 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:59:37,815 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:59:37,815 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:59:28" (3/4) ... [2021-10-28 09:59:37,817 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 09:59:37,931 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187529a0-edfe-4ee0-8361-090815016d4b/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:59:37,931 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:59:37,933 INFO L168 Benchmark]: Toolchain (without parser) took 11066.08 ms. Allocated memory was 100.7 MB in the beginning and 658.5 MB in the end (delta: 557.8 MB). Free memory was 57.2 MB in the beginning and 397.7 MB in the end (delta: -340.6 MB). Peak memory consumption was 216.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:59:37,933 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 100.7 MB. Free memory was 77.2 MB in the beginning and 77.1 MB in the end (delta: 50.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:59:37,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1140.25 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 57.0 MB in the beginning and 89.9 MB in the end (delta: -33.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:59:37,934 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.85 ms. Allocated memory is still 121.6 MB. Free memory was 89.9 MB in the beginning and 86.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:59:37,935 INFO L168 Benchmark]: Boogie Preprocessor took 91.51 ms. Allocated memory is still 121.6 MB. Free memory was 86.3 MB in the beginning and 83.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:59:37,935 INFO L168 Benchmark]: RCFGBuilder took 794.33 ms. Allocated memory is still 121.6 MB. Free memory was 83.7 MB in the beginning and 62.7 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:59:37,935 INFO L168 Benchmark]: TraceAbstraction took 8796.75 ms. Allocated memory was 121.6 MB in the beginning and 658.5 MB in the end (delta: 536.9 MB). Free memory was 61.7 MB in the beginning and 414.5 MB in the end (delta: -352.8 MB). Peak memory consumption was 183.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:59:37,936 INFO L168 Benchmark]: Witness Printer took 116.47 ms. Allocated memory is still 658.5 MB. Free memory was 414.5 MB in the beginning and 397.7 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:59:37,938 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 100.7 MB. Free memory was 77.2 MB in the beginning and 77.1 MB in the end (delta: 50.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1140.25 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 57.0 MB in the beginning and 89.9 MB in the end (delta: -33.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.85 ms. Allocated memory is still 121.6 MB. Free memory was 89.9 MB in the beginning and 86.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.51 ms. Allocated memory is still 121.6 MB. Free memory was 86.3 MB in the beginning and 83.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 794.33 ms. Allocated memory is still 121.6 MB. Free memory was 83.7 MB in the beginning and 62.7 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8796.75 ms. Allocated memory was 121.6 MB in the beginning and 658.5 MB in the end (delta: 536.9 MB). Free memory was 61.7 MB in the beginning and 414.5 MB in the end (delta: -352.8 MB). Peak memory consumption was 183.6 MB. Max. memory is 16.1 GB. * Witness Printer took 116.47 ms. Allocated memory is still 658.5 MB. Free memory was 414.5 MB in the beginning and 397.7 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1693]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1694] 0 pthread_t t1, t2; VAL [t1={7:0}, t2={9:0}] [L1695] 0 pthread_mutex_t mutex; VAL [mutex={3:0}, t1={7:0}, t2={9:0}] [L1696] 0 int pdev; VAL [mutex={3:0}, pdev=0, t1={7:0}, t2={9:0}] [L1741] 0 int ldv_usb_state; VAL [ldv_usb_state=0, mutex={3:0}, pdev=0, t1={7:0}, t2={9:0}] [L1779] 0 pdev = 1 VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={7:0}, t2={9:0}] [L1693] COND FALSE 0 !(!expression) VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={7:0}, t2={9:0}] [L1781] COND TRUE 0 __VERIFIER_nondet_int() VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={7:0}, t2={9:0}] [L1782] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread_usb, ((void *)0)) VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={7:0}, t2={9:0}] [L1743] 1 ldv_usb_state = 0 VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={7:0}, t2={9:0}] [L1744] 1 int probe_ret; VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={7:0}, t2={9:0}] [L1745] COND TRUE 1 1 VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={7:0}, t2={9:0}] [L1747] 1 case 0: VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={7:0}, t2={9:0}] [L1748] COND TRUE 1 ldv_usb_state==0 VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={7:0}, t2={9:0}] [L1730] 1 int error; VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={7:0}, t2={9:0}] [L1717] COND TRUE 1 __VERIFIER_nondet_int() VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={7:0}, t2={9:0}] [L1718] FCALL, FORK 1 pthread_create(&t2, ((void *)0), thread_ath9k, ((void *)0)) VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={7:0}, t2={9:0}] [L1704] COND TRUE 2 1 VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={7:0}, t2={9:0}] [L1706] 2 case 1: VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={7:0}, t2={9:0}] [L1699] 2 pdev = 6 VAL [ldv_usb_state=0, mutex={3:0}, pdev=6, t1={7:0}, t2={9:0}] [L1719] 1 return 0; VAL [ldv_usb_state=0, mutex={3:0}, pdev=6, t1={7:0}, t2={9:0}] [L1731] 1 error = ieee80211_register_hw() VAL [ldv_usb_state=0, mutex={3:0}, pdev=6, t1={7:0}, t2={9:0}] [L1732] COND FALSE 1 !(\read(error)) VAL [ldv_usb_state=0, mutex={3:0}, pdev=6, t1={7:0}, t2={9:0}] [L1734] 1 return 0; VAL [ldv_usb_state=0, mutex={3:0}, pdev=6, t1={7:0}, t2={9:0}] [L1749] 1 probe_ret = ath_ahb_probe() VAL [ldv_usb_state=0, mutex={3:0}, pdev=6, t1={7:0}, t2={9:0}] [L1750] COND FALSE 1 !(probe_ret!=0) VAL [ldv_usb_state=0, mutex={3:0}, pdev=6, t1={7:0}, t2={9:0}] [L1752] 1 ldv_usb_state = 1 VAL [ldv_usb_state=1, mutex={3:0}, pdev=6, t1={7:0}, t2={9:0}] [L1753] 1 pdev = 7 VAL [ldv_usb_state=1, mutex={3:0}, pdev=7, t1={7:0}, t2={9:0}] [L1693] COND TRUE 2 !expression VAL [ldv_usb_state=1, mutex={3:0}, pdev=7, t1={7:0}, t2={9:0}] [L1693] 2 reach_error() VAL [ldv_usb_state=1, mutex={3:0}, pdev=7, t1={7:0}, t2={9:0}] - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1782]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 295 locations, 14 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.3s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 183 SDtfs, 235 SDslu, 275 SDs, 0 SdLazy, 321 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1403occurred in iteration=5, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 594 NumberOfCodeBlocks, 594 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 500 ConstructedInterpolants, 0 QuantifiedInterpolants, 586 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:59:37,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187529a0-edfe-4ee0-8361-090815016d4b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...