./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1d2ca6494b432437ba530c183e0f890b9b201cb3 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1d2ca6494b432437ba530c183e0f890b9b201cb3 .......................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: only flexible array member at the end can have non-constant size --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 15:41:46,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 15:41:46,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 15:41:46,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 15:41:46,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 15:41:46,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 15:41:46,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 15:41:46,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 15:41:46,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 15:41:46,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 15:41:46,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 15:41:46,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 15:41:46,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 15:41:46,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 15:41:46,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 15:41:46,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 15:41:46,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 15:41:46,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 15:41:46,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 15:41:46,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 15:41:46,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 15:41:46,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 15:41:46,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 15:41:46,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 15:41:46,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 15:41:46,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 15:41:46,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 15:41:46,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 15:41:46,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 15:41:46,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 15:41:46,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 15:41:46,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 15:41:46,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 15:41:46,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 15:41:46,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 15:41:46,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 15:41:46,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 15:41:46,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 15:41:46,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 15:41:46,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 15:41:46,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 15:41:46,391 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-08-26 15:41:46,421 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 15:41:46,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 15:41:46,422 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 15:41:46,422 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 15:41:46,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 15:41:46,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 15:41:46,424 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 15:41:46,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 15:41:46,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 15:41:46,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 15:41:46,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 15:41:46,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 15:41:46,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 15:41:46,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 15:41:46,426 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 15:41:46,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 15:41:46,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 15:41:46,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 15:41:46,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 15:41:46,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 15:41:46,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 15:41:46,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 15:41:46,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 15:41:46,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 15:41:46,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 15:41:46,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 15:41:46,428 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 15:41:46,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d2ca6494b432437ba530c183e0f890b9b201cb3 [2021-08-26 15:41:46,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 15:41:46,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 15:41:46,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 15:41:46,728 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 15:41:46,728 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 15:41:46,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2021-08-26 15:41:46,781 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9f86b856/3d02a53a3eda431392013b2e0a7680d3/FLAGddc0c67c2 [2021-08-26 15:41:47,309 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 15:41:47,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2021-08-26 15:41:47,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9f86b856/3d02a53a3eda431392013b2e0a7680d3/FLAGddc0c67c2 [2021-08-26 15:41:47,814 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9f86b856/3d02a53a3eda431392013b2e0a7680d3 [2021-08-26 15:41:47,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 15:41:47,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 15:41:47,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 15:41:47,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 15:41:47,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 15:41:47,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 03:41:47" (1/1) ... [2021-08-26 15:41:47,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d3bb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:41:47, skipping insertion in model container [2021-08-26 15:41:47,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 03:41:47" (1/1) ... [2021-08-26 15:41:47,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 15:41:47,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 15:41:48,591 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i[199632,199645] [2021-08-26 15:41:48,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 15:41:48,641 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 15:41:48,752 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i[199632,199645] [2021-08-26 15:41:48,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 15:41:48,980 INFO L208 MainTranslator]: Completed translation [2021-08-26 15:41:48,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:41:48 WrapperNode [2021-08-26 15:41:48,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 15:41:48,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 15:41:48,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 15:41:48,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 15:41:48,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:41:48" (1/1) ... [2021-08-26 15:41:49,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:41:48" (1/1) ... [2021-08-26 15:41:49,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 15:41:49,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 15:41:49,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 15:41:49,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 15:41:49,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:41:48" (1/1) ... [2021-08-26 15:41:49,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:41:48" (1/1) ... [2021-08-26 15:41:49,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:41:48" (1/1) ... [2021-08-26 15:41:49,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:41:48" (1/1) ... [2021-08-26 15:41:49,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:41:48" (1/1) ... [2021-08-26 15:41:49,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:41:48" (1/1) ... [2021-08-26 15:41:49,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:41:48" (1/1) ... [2021-08-26 15:41:49,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 15:41:49,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 15:41:49,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 15:41:49,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 15:41:49,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:41:48" (1/1) ... [2021-08-26 15:41:49,336 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 15:41:49,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 15:41:49,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 15:41:49,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 15:41:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-08-26 15:41:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-08-26 15:41:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-26 15:41:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-26 15:41:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-26 15:41:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-26 15:41:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-26 15:41:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 15:41:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-26 15:41:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 15:41:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-26 15:41:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 15:41:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-08-26 15:41:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-08-26 15:41:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 15:41:49,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 15:41:50,007 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-26 15:41:50,044 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-26 15:41:52,946 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##522: assume !false; [2021-08-26 15:41:52,946 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##521: assume false; [2021-08-26 15:41:52,946 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2021-08-26 15:41:52,947 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2021-08-26 15:41:52,959 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 15:41:52,959 INFO L299 CfgBuilder]: Removed 647 assume(true) statements. [2021-08-26 15:41:52,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 03:41:52 BoogieIcfgContainer [2021-08-26 15:41:52,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 15:41:52,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 15:41:52,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 15:41:52,966 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 15:41:52,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 03:41:47" (1/3) ... [2021-08-26 15:41:52,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9aae88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 03:41:52, skipping insertion in model container [2021-08-26 15:41:52,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:41:48" (2/3) ... [2021-08-26 15:41:52,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9aae88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 03:41:52, skipping insertion in model container [2021-08-26 15:41:52,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 03:41:52" (3/3) ... [2021-08-26 15:41:52,968 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-usb-catc.ko.cil.out.i [2021-08-26 15:41:52,971 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 15:41:52,971 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-08-26 15:41:53,001 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 15:41:53,005 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-08-26 15:41:53,005 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-08-26 15:41:53,020 INFO L276 IsEmpty]: Start isEmpty. Operand has 689 states, 674 states have (on average 1.4940652818991098) internal successors, (1007), 688 states have internal predecessors, (1007), 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) [2021-08-26 15:41:53,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-26 15:41:53,027 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:41:53,027 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 15:41:53,028 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:41:53,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:41:53,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1802578412, now seen corresponding path program 1 times [2021-08-26 15:41:53,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:41:53,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699451183] [2021-08-26 15:41:53,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:41:53,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:41:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:41:53,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:41:53,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:41:53,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699451183] [2021-08-26 15:41:53,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699451183] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:41:53,347 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 15:41:53,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 15:41:53,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031527825] [2021-08-26 15:41:53,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 15:41:53,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:41:53,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 15:41:53,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 15:41:53,361 INFO L87 Difference]: Start difference. First operand has 689 states, 674 states have (on average 1.4940652818991098) internal successors, (1007), 688 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 15:41:53,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:41:53,590 INFO L93 Difference]: Finished difference Result 2020 states and 2970 transitions. [2021-08-26 15:41:53,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 15:41:53,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-08-26 15:41:53,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:41:53,608 INFO L225 Difference]: With dead ends: 2020 [2021-08-26 15:41:53,609 INFO L226 Difference]: Without dead ends: 1312 [2021-08-26 15:41:53,614 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 15:41:53,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2021-08-26 15:41:53,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1288. [2021-08-26 15:41:53,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1288 states, 1274 states have (on average 1.2896389324960753) internal successors, (1643), 1287 states have internal predecessors, (1643), 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) [2021-08-26 15:41:53,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1643 transitions. [2021-08-26 15:41:53,694 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1643 transitions. Word has length 11 [2021-08-26 15:41:53,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:41:53,695 INFO L470 AbstractCegarLoop]: Abstraction has 1288 states and 1643 transitions. [2021-08-26 15:41:53,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 15:41:53,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1643 transitions. [2021-08-26 15:41:53,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-26 15:41:53,696 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:41:53,696 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 15:41:53,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 15:41:53,696 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:41:53,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:41:53,697 INFO L82 PathProgramCache]: Analyzing trace with hash 45356904, now seen corresponding path program 1 times [2021-08-26 15:41:53,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:41:53,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138483206] [2021-08-26 15:41:53,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:41:53,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:41:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:41:53,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:41:53,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:41:53,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138483206] [2021-08-26 15:41:53,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138483206] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:41:53,780 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 15:41:53,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 15:41:53,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187733509] [2021-08-26 15:41:53,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 15:41:53,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:41:53,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 15:41:53,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 15:41:53,784 INFO L87 Difference]: Start difference. First operand 1288 states and 1643 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 15:41:53,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:41:53,804 INFO L93 Difference]: Finished difference Result 1288 states and 1643 transitions. [2021-08-26 15:41:53,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 15:41:53,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-08-26 15:41:53,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:41:53,809 INFO L225 Difference]: With dead ends: 1288 [2021-08-26 15:41:53,809 INFO L226 Difference]: Without dead ends: 1283 [2021-08-26 15:41:53,810 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 15:41:53,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2021-08-26 15:41:53,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1283. [2021-08-26 15:41:53,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1283 states, 1270 states have (on average 1.2858267716535432) internal successors, (1633), 1282 states have internal predecessors, (1633), 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) [2021-08-26 15:41:53,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1283 states and 1633 transitions. [2021-08-26 15:41:53,846 INFO L78 Accepts]: Start accepts. Automaton has 1283 states and 1633 transitions. Word has length 12 [2021-08-26 15:41:53,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:41:53,846 INFO L470 AbstractCegarLoop]: Abstraction has 1283 states and 1633 transitions. [2021-08-26 15:41:53,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 15:41:53,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1633 transitions. [2021-08-26 15:41:53,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-26 15:41:53,847 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:41:53,848 INFO L512 BasicCegarLoop]: 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] [2021-08-26 15:41:53,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 15:41:53,848 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:41:53,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:41:53,849 INFO L82 PathProgramCache]: Analyzing trace with hash -965110428, now seen corresponding path program 1 times [2021-08-26 15:41:53,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:41:53,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216349705] [2021-08-26 15:41:53,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:41:53,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:41:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:41:53,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:41:53,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:41:53,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216349705] [2021-08-26 15:41:53,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216349705] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:41:53,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 15:41:53,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 15:41:53,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925608707] [2021-08-26 15:41:53,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 15:41:53,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:41:53,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 15:41:53,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 15:41:53,952 INFO L87 Difference]: Start difference. First operand 1283 states and 1633 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 15:41:54,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:41:54,012 INFO L93 Difference]: Finished difference Result 3119 states and 4010 transitions. [2021-08-26 15:41:54,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 15:41:54,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-08-26 15:41:54,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:41:54,018 INFO L225 Difference]: With dead ends: 3119 [2021-08-26 15:41:54,019 INFO L226 Difference]: Without dead ends: 1844 [2021-08-26 15:41:54,021 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 15:41:54,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1844 states. [2021-08-26 15:41:54,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1844 to 1840. [2021-08-26 15:41:54,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1840 states, 1827 states have (on average 1.30103995621237) internal successors, (2377), 1839 states have internal predecessors, (2377), 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) [2021-08-26 15:41:54,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 2377 transitions. [2021-08-26 15:41:54,066 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 2377 transitions. Word has length 35 [2021-08-26 15:41:54,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:41:54,067 INFO L470 AbstractCegarLoop]: Abstraction has 1840 states and 2377 transitions. [2021-08-26 15:41:54,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 15:41:54,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2377 transitions. [2021-08-26 15:41:54,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-08-26 15:41:54,074 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:41:54,075 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 15:41:54,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 15:41:54,075 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:41:54,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:41:54,077 INFO L82 PathProgramCache]: Analyzing trace with hash -2056089327, now seen corresponding path program 1 times [2021-08-26 15:41:54,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:41:54,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514291177] [2021-08-26 15:41:54,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:41:54,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:41:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:41:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:41:54,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:41:54,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514291177] [2021-08-26 15:41:54,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514291177] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:41:54,179 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 15:41:54,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 15:41:54,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063856279] [2021-08-26 15:41:54,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 15:41:54,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:41:54,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 15:41:54,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 15:41:54,182 INFO L87 Difference]: Start difference. First operand 1840 states and 2377 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2021-08-26 15:41:54,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:41:54,336 INFO L93 Difference]: Finished difference Result 3679 states and 4752 transitions. [2021-08-26 15:41:54,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 15:41:54,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-08-26 15:41:54,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:41:54,342 INFO L225 Difference]: With dead ends: 3679 [2021-08-26 15:41:54,342 INFO L226 Difference]: Without dead ends: 1842 [2021-08-26 15:41:54,344 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 15:41:54,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2021-08-26 15:41:54,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 1838. [2021-08-26 15:41:54,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1825 states have (on average 1.2991780821917809) internal successors, (2371), 1837 states have internal predecessors, (2371), 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) [2021-08-26 15:41:54,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2371 transitions. [2021-08-26 15:41:54,380 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2371 transitions. Word has length 53 [2021-08-26 15:41:54,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:41:54,380 INFO L470 AbstractCegarLoop]: Abstraction has 1838 states and 2371 transitions. [2021-08-26 15:41:54,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2021-08-26 15:41:54,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2371 transitions. [2021-08-26 15:41:54,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-08-26 15:41:54,381 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:41:54,382 INFO L512 BasicCegarLoop]: 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] [2021-08-26 15:41:54,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 15:41:54,382 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:41:54,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:41:54,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1050619864, now seen corresponding path program 1 times [2021-08-26 15:41:54,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:41:54,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296591979] [2021-08-26 15:41:54,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:41:54,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:41:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:41:54,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:41:54,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:41:54,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296591979] [2021-08-26 15:41:54,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296591979] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:41:54,517 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 15:41:54,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 15:41:54,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931890313] [2021-08-26 15:41:54,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 15:41:54,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:41:54,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 15:41:54,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 15:41:54,519 INFO L87 Difference]: Start difference. First operand 1838 states and 2371 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2021-08-26 15:41:54,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:41:54,690 INFO L93 Difference]: Finished difference Result 5464 states and 7047 transitions. [2021-08-26 15:41:54,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 15:41:54,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-08-26 15:41:54,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:41:54,703 INFO L225 Difference]: With dead ends: 5464 [2021-08-26 15:41:54,703 INFO L226 Difference]: Without dead ends: 3632 [2021-08-26 15:41:54,705 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 15:41:54,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3632 states. [2021-08-26 15:41:54,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3632 to 1841. [2021-08-26 15:41:54,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1828 states have (on average 1.298140043763676) internal successors, (2373), 1840 states have internal predecessors, (2373), 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) [2021-08-26 15:41:54,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2373 transitions. [2021-08-26 15:41:54,757 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2373 transitions. Word has length 78 [2021-08-26 15:41:54,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:41:54,757 INFO L470 AbstractCegarLoop]: Abstraction has 1841 states and 2373 transitions. [2021-08-26 15:41:54,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2021-08-26 15:41:54,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2373 transitions. [2021-08-26 15:41:54,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-08-26 15:41:54,758 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:41:54,758 INFO L512 BasicCegarLoop]: 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] [2021-08-26 15:41:54,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 15:41:54,758 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:41:54,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:41:54,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1494520538, now seen corresponding path program 1 times [2021-08-26 15:41:54,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:41:54,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221384397] [2021-08-26 15:41:54,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:41:54,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:41:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:41:54,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:41:54,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:41:54,835 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221384397] [2021-08-26 15:41:54,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221384397] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:41:54,835 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 15:41:54,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 15:41:54,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640516832] [2021-08-26 15:41:54,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 15:41:54,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:41:54,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 15:41:54,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 15:41:54,837 INFO L87 Difference]: Start difference. First operand 1841 states and 2373 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2021-08-26 15:41:55,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:41:55,019 INFO L93 Difference]: Finished difference Result 5587 states and 7218 transitions. [2021-08-26 15:41:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 15:41:55,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-08-26 15:41:55,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:41:55,031 INFO L225 Difference]: With dead ends: 5587 [2021-08-26 15:41:55,031 INFO L226 Difference]: Without dead ends: 3755 [2021-08-26 15:41:55,035 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 19.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 15:41:55,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3755 states. [2021-08-26 15:41:55,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3755 to 1853. [2021-08-26 15:41:55,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1853 states, 1840 states have (on average 1.296195652173913) internal successors, (2385), 1852 states have internal predecessors, (2385), 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) [2021-08-26 15:41:55,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1853 states and 2385 transitions. [2021-08-26 15:41:55,099 INFO L78 Accepts]: Start accepts. Automaton has 1853 states and 2385 transitions. Word has length 78 [2021-08-26 15:41:55,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:41:55,100 INFO L470 AbstractCegarLoop]: Abstraction has 1853 states and 2385 transitions. [2021-08-26 15:41:55,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2021-08-26 15:41:55,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2385 transitions. [2021-08-26 15:41:55,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-08-26 15:41:55,101 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:41:55,101 INFO L512 BasicCegarLoop]: 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] [2021-08-26 15:41:55,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 15:41:55,101 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:41:55,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:41:55,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1517152792, now seen corresponding path program 1 times [2021-08-26 15:41:55,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:41:55,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120778444] [2021-08-26 15:41:55,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:41:55,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:41:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:41:55,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:41:55,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:41:55,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120778444] [2021-08-26 15:41:55,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120778444] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:41:55,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 15:41:55,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 15:41:55,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779153247] [2021-08-26 15:41:55,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 15:41:55,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:41:55,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 15:41:55,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 15:41:55,223 INFO L87 Difference]: Start difference. First operand 1853 states and 2385 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2021-08-26 15:41:59,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:41:59,767 INFO L93 Difference]: Finished difference Result 3616 states and 4663 transitions. [2021-08-26 15:41:59,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 15:41:59,768 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-08-26 15:41:59,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:41:59,777 INFO L225 Difference]: With dead ends: 3616 [2021-08-26 15:41:59,778 INFO L226 Difference]: Without dead ends: 3554 [2021-08-26 15:41:59,779 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 26.9ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-26 15:41:59,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3554 states. [2021-08-26 15:41:59,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3554 to 1853. [2021-08-26 15:41:59,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1853 states, 1840 states have (on average 1.295108695652174) internal successors, (2383), 1852 states have internal predecessors, (2383), 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) [2021-08-26 15:41:59,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1853 states and 2383 transitions. [2021-08-26 15:41:59,859 INFO L78 Accepts]: Start accepts. Automaton has 1853 states and 2383 transitions. Word has length 78 [2021-08-26 15:41:59,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:41:59,859 INFO L470 AbstractCegarLoop]: Abstraction has 1853 states and 2383 transitions. [2021-08-26 15:41:59,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2021-08-26 15:41:59,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2383 transitions. [2021-08-26 15:41:59,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-08-26 15:41:59,861 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:41:59,861 INFO L512 BasicCegarLoop]: 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] [2021-08-26 15:41:59,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 15:41:59,862 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:41:59,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:41:59,862 INFO L82 PathProgramCache]: Analyzing trace with hash 948357624, now seen corresponding path program 1 times [2021-08-26 15:41:59,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:41:59,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181111399] [2021-08-26 15:41:59,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:41:59,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:41:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:41:59,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:41:59,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:41:59,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181111399] [2021-08-26 15:41:59,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181111399] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:41:59,986 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 15:41:59,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 15:41:59,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62009293] [2021-08-26 15:41:59,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 15:41:59,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:41:59,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 15:41:59,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 15:41:59,989 INFO L87 Difference]: Start difference. First operand 1853 states and 2383 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 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) [2021-08-26 15:42:00,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:42:00,276 INFO L93 Difference]: Finished difference Result 2830 states and 3618 transitions. [2021-08-26 15:42:00,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 15:42:00,276 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2021-08-26 15:42:00,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:42:00,285 INFO L225 Difference]: With dead ends: 2830 [2021-08-26 15:42:00,285 INFO L226 Difference]: Without dead ends: 2806 [2021-08-26 15:42:00,286 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 15:42:00,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2806 states. [2021-08-26 15:42:00,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2806 to 2756. [2021-08-26 15:42:00,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2756 states, 2743 states have (on average 1.2967553773240976) internal successors, (3557), 2755 states have internal predecessors, (3557), 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) [2021-08-26 15:42:00,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2756 states and 3557 transitions. [2021-08-26 15:42:00,377 INFO L78 Accepts]: Start accepts. Automaton has 2756 states and 3557 transitions. Word has length 79 [2021-08-26 15:42:00,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:42:00,378 INFO L470 AbstractCegarLoop]: Abstraction has 2756 states and 3557 transitions. [2021-08-26 15:42:00,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 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) [2021-08-26 15:42:00,378 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 3557 transitions. [2021-08-26 15:42:00,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-08-26 15:42:00,382 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:42:00,382 INFO L512 BasicCegarLoop]: 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] [2021-08-26 15:42:00,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 15:42:00,383 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:42:00,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:42:00,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1804226248, now seen corresponding path program 1 times [2021-08-26 15:42:00,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:42:00,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325605071] [2021-08-26 15:42:00,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:42:00,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:42:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:42:00,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:42:00,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:42:00,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325605071] [2021-08-26 15:42:00,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325605071] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:42:00,616 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 15:42:00,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 15:42:00,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810190355] [2021-08-26 15:42:00,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 15:42:00,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:42:00,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 15:42:00,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 15:42:00,619 INFO L87 Difference]: Start difference. First operand 2756 states and 3557 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2021-08-26 15:42:03,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:42:03,265 INFO L93 Difference]: Finished difference Result 6794 states and 8773 transitions. [2021-08-26 15:42:03,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 15:42:03,266 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2021-08-26 15:42:03,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:42:03,276 INFO L225 Difference]: With dead ends: 6794 [2021-08-26 15:42:03,277 INFO L226 Difference]: Without dead ends: 3952 [2021-08-26 15:42:03,280 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 85.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 15:42:03,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-08-26 15:42:03,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 2144. [2021-08-26 15:42:03,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2144 states, 2131 states have (on average 1.302674800563116) internal successors, (2776), 2143 states have internal predecessors, (2776), 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) [2021-08-26 15:42:03,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 2144 states and 2776 transitions. [2021-08-26 15:42:03,358 INFO L78 Accepts]: Start accepts. Automaton has 2144 states and 2776 transitions. Word has length 79 [2021-08-26 15:42:03,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:42:03,358 INFO L470 AbstractCegarLoop]: Abstraction has 2144 states and 2776 transitions. [2021-08-26 15:42:03,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2021-08-26 15:42:03,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2144 states and 2776 transitions. [2021-08-26 15:42:03,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-08-26 15:42:03,359 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:42:03,359 INFO L512 BasicCegarLoop]: 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] [2021-08-26 15:42:03,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 15:42:03,361 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:42:03,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:42:03,361 INFO L82 PathProgramCache]: Analyzing trace with hash 559162765, now seen corresponding path program 1 times [2021-08-26 15:42:03,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:42:03,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846942803] [2021-08-26 15:42:03,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:42:03,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:42:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:42:03,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:42:03,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:42:03,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846942803] [2021-08-26 15:42:03,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846942803] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:42:03,460 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 15:42:03,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 15:42:03,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868781098] [2021-08-26 15:42:03,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 15:42:03,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:42:03,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 15:42:03,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 15:42:03,462 INFO L87 Difference]: Start difference. First operand 2144 states and 2776 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2021-08-26 15:42:08,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:42:08,456 INFO L93 Difference]: Finished difference Result 3914 states and 5068 transitions. [2021-08-26 15:42:08,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 15:42:08,456 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-08-26 15:42:08,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:42:08,466 INFO L225 Difference]: With dead ends: 3914 [2021-08-26 15:42:08,467 INFO L226 Difference]: Without dead ends: 3859 [2021-08-26 15:42:08,468 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 27.4ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-26 15:42:08,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3859 states. [2021-08-26 15:42:08,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3859 to 2149. [2021-08-26 15:42:08,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2149 states, 2136 states have (on average 1.301498127340824) internal successors, (2780), 2148 states have internal predecessors, (2780), 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) [2021-08-26 15:42:08,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 2780 transitions. [2021-08-26 15:42:08,548 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 2780 transitions. Word has length 85 [2021-08-26 15:42:08,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:42:08,548 INFO L470 AbstractCegarLoop]: Abstraction has 2149 states and 2780 transitions. [2021-08-26 15:42:08,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2021-08-26 15:42:08,549 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2780 transitions. [2021-08-26 15:42:08,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-08-26 15:42:08,549 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:42:08,550 INFO L512 BasicCegarLoop]: 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] [2021-08-26 15:42:08,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 15:42:08,550 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:42:08,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:42:08,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1810418226, now seen corresponding path program 1 times [2021-08-26 15:42:08,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:42:08,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019447471] [2021-08-26 15:42:08,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:42:08,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:42:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:42:08,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:42:08,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:42:08,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019447471] [2021-08-26 15:42:08,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019447471] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:42:08,704 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 15:42:08,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 15:42:08,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128529408] [2021-08-26 15:42:08,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 15:42:08,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:42:08,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 15:42:08,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 15:42:08,705 INFO L87 Difference]: Start difference. First operand 2149 states and 2780 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 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) [2021-08-26 15:42:10,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:42:10,965 INFO L93 Difference]: Finished difference Result 5857 states and 7558 transitions. [2021-08-26 15:42:10,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 15:42:10,965 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2021-08-26 15:42:10,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:42:10,972 INFO L225 Difference]: With dead ends: 5857 [2021-08-26 15:42:10,972 INFO L226 Difference]: Without dead ends: 3975 [2021-08-26 15:42:10,975 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 43.0ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 15:42:10,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3975 states. [2021-08-26 15:42:11,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3975 to 2169. [2021-08-26 15:42:11,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2169 states, 2156 states have (on average 1.3000927643784788) internal successors, (2803), 2168 states have internal predecessors, (2803), 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) [2021-08-26 15:42:11,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 2169 states and 2803 transitions. [2021-08-26 15:42:11,064 INFO L78 Accepts]: Start accepts. Automaton has 2169 states and 2803 transitions. Word has length 86 [2021-08-26 15:42:11,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:42:11,065 INFO L470 AbstractCegarLoop]: Abstraction has 2169 states and 2803 transitions. [2021-08-26 15:42:11,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 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) [2021-08-26 15:42:11,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 2803 transitions. [2021-08-26 15:42:11,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-08-26 15:42:11,066 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:42:11,066 INFO L512 BasicCegarLoop]: 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] [2021-08-26 15:42:11,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-26 15:42:11,067 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:42:11,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:42:11,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1782949196, now seen corresponding path program 1 times [2021-08-26 15:42:11,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:42:11,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239768273] [2021-08-26 15:42:11,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:42:11,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:42:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:42:11,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:42:11,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:42:11,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239768273] [2021-08-26 15:42:11,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239768273] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:42:11,163 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 15:42:11,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 15:42:11,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161260763] [2021-08-26 15:42:11,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 15:42:11,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:42:11,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 15:42:11,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 15:42:11,164 INFO L87 Difference]: Start difference. First operand 2169 states and 2803 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 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) [2021-08-26 15:42:11,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:42:11,449 INFO L93 Difference]: Finished difference Result 7126 states and 9227 transitions. [2021-08-26 15:42:11,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 15:42:11,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2021-08-26 15:42:11,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:42:11,463 INFO L225 Difference]: With dead ends: 7126 [2021-08-26 15:42:11,463 INFO L226 Difference]: Without dead ends: 5242 [2021-08-26 15:42:11,467 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 29.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 15:42:11,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5242 states. [2021-08-26 15:42:11,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5242 to 2169. [2021-08-26 15:42:11,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2169 states, 2156 states have (on average 1.2954545454545454) internal successors, (2793), 2168 states have internal predecessors, (2793), 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) [2021-08-26 15:42:11,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 2169 states and 2793 transitions. [2021-08-26 15:42:11,566 INFO L78 Accepts]: Start accepts. Automaton has 2169 states and 2793 transitions. Word has length 86 [2021-08-26 15:42:11,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:42:11,567 INFO L470 AbstractCegarLoop]: Abstraction has 2169 states and 2793 transitions. [2021-08-26 15:42:11,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 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) [2021-08-26 15:42:11,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 2793 transitions. [2021-08-26 15:42:11,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-08-26 15:42:11,568 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:42:11,568 INFO L512 BasicCegarLoop]: 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] [2021-08-26 15:42:11,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-26 15:42:11,568 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:42:11,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:42:11,569 INFO L82 PathProgramCache]: Analyzing trace with hash 268034802, now seen corresponding path program 1 times [2021-08-26 15:42:11,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:42:11,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753460460] [2021-08-26 15:42:11,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:42:11,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:42:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:42:11,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:42:11,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:42:11,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753460460] [2021-08-26 15:42:11,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753460460] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:42:11,678 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 15:42:11,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 15:42:11,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472975362] [2021-08-26 15:42:11,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 15:42:11,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:42:11,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 15:42:11,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-26 15:42:11,679 INFO L87 Difference]: Start difference. First operand 2169 states and 2793 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 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) [2021-08-26 15:42:12,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:42:12,149 INFO L93 Difference]: Finished difference Result 3541 states and 4547 transitions. [2021-08-26 15:42:12,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 15:42:12,150 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2021-08-26 15:42:12,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:42:12,156 INFO L225 Difference]: With dead ends: 3541 [2021-08-26 15:42:12,156 INFO L226 Difference]: Without dead ends: 3486 [2021-08-26 15:42:12,157 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.6ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-26 15:42:12,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3486 states. [2021-08-26 15:42:12,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3486 to 2214. [2021-08-26 15:42:12,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2214 states, 2201 states have (on average 1.2925942753293957) internal successors, (2845), 2213 states have internal predecessors, (2845), 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) [2021-08-26 15:42:12,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 2845 transitions. [2021-08-26 15:42:12,268 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 2845 transitions. Word has length 86 [2021-08-26 15:42:12,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:42:12,268 INFO L470 AbstractCegarLoop]: Abstraction has 2214 states and 2845 transitions. [2021-08-26 15:42:12,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 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) [2021-08-26 15:42:12,269 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 2845 transitions. [2021-08-26 15:42:12,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-08-26 15:42:12,270 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:42:12,270 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 15:42:12,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-26 15:42:12,270 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:42:12,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:42:12,270 INFO L82 PathProgramCache]: Analyzing trace with hash -642776665, now seen corresponding path program 1 times [2021-08-26 15:42:12,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:42:12,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399038364] [2021-08-26 15:42:12,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:42:12,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:42:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:42:12,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:42:12,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:42:12,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399038364] [2021-08-26 15:42:12,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399038364] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:42:12,363 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 15:42:12,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 15:42:12,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436488074] [2021-08-26 15:42:12,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 15:42:12,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:42:12,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 15:42:12,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 15:42:12,364 INFO L87 Difference]: Start difference. First operand 2214 states and 2845 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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) [2021-08-26 15:42:17,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:42:17,399 INFO L93 Difference]: Finished difference Result 4028 states and 5175 transitions. [2021-08-26 15:42:17,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 15:42:17,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2021-08-26 15:42:17,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:42:17,406 INFO L225 Difference]: With dead ends: 4028 [2021-08-26 15:42:17,406 INFO L226 Difference]: Without dead ends: 3967 [2021-08-26 15:42:17,407 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 29.5ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-26 15:42:17,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3967 states. [2021-08-26 15:42:17,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3967 to 2225. [2021-08-26 15:42:17,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2225 states, 2212 states have (on average 1.2915913200723328) internal successors, (2857), 2224 states have internal predecessors, (2857), 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) [2021-08-26 15:42:17,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 2225 states and 2857 transitions. [2021-08-26 15:42:17,512 INFO L78 Accepts]: Start accepts. Automaton has 2225 states and 2857 transitions. Word has length 92 [2021-08-26 15:42:17,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:42:17,513 INFO L470 AbstractCegarLoop]: Abstraction has 2225 states and 2857 transitions. [2021-08-26 15:42:17,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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) [2021-08-26 15:42:17,513 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 2857 transitions. [2021-08-26 15:42:17,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-08-26 15:42:17,514 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:42:17,514 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 15:42:17,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-26 15:42:17,514 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:42:17,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:42:17,515 INFO L82 PathProgramCache]: Analyzing trace with hash -2144683865, now seen corresponding path program 1 times [2021-08-26 15:42:17,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:42:17,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600973868] [2021-08-26 15:42:17,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:42:17,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:42:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:42:17,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:42:17,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:42:17,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600973868] [2021-08-26 15:42:17,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600973868] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:42:17,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 15:42:17,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 15:42:17,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072202002] [2021-08-26 15:42:17,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 15:42:17,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:42:17,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 15:42:17,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 15:42:17,645 INFO L87 Difference]: Start difference. First operand 2225 states and 2857 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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) [2021-08-26 15:42:20,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:42:20,133 INFO L93 Difference]: Finished difference Result 6090 states and 7800 transitions. [2021-08-26 15:42:20,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 15:42:20,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-08-26 15:42:20,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:42:20,140 INFO L225 Difference]: With dead ends: 6090 [2021-08-26 15:42:20,140 INFO L226 Difference]: Without dead ends: 4138 [2021-08-26 15:42:20,144 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 38.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 15:42:20,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4138 states. [2021-08-26 15:42:20,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4138 to 2236. [2021-08-26 15:42:20,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2236 states, 2223 states have (on average 1.2905982905982907) internal successors, (2869), 2235 states have internal predecessors, (2869), 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) [2021-08-26 15:42:20,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 2869 transitions. [2021-08-26 15:42:20,258 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 2869 transitions. Word has length 93 [2021-08-26 15:42:20,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:42:20,259 INFO L470 AbstractCegarLoop]: Abstraction has 2236 states and 2869 transitions. [2021-08-26 15:42:20,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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) [2021-08-26 15:42:20,259 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2869 transitions. [2021-08-26 15:42:20,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-08-26 15:42:20,260 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:42:20,260 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 15:42:20,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-26 15:42:20,260 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:42:20,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:42:20,261 INFO L82 PathProgramCache]: Analyzing trace with hash 607900007, now seen corresponding path program 1 times [2021-08-26 15:42:20,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:42:20,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166597562] [2021-08-26 15:42:20,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:42:20,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:42:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:42:20,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:42:20,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:42:20,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166597562] [2021-08-26 15:42:20,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166597562] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:42:20,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 15:42:20,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 15:42:20,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544544366] [2021-08-26 15:42:20,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 15:42:20,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:42:20,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 15:42:20,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-26 15:42:20,358 INFO L87 Difference]: Start difference. First operand 2236 states and 2869 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 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) [2021-08-26 15:42:20,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:42:20,819 INFO L93 Difference]: Finished difference Result 4362 states and 5593 transitions. [2021-08-26 15:42:20,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 15:42:20,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-08-26 15:42:20,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:42:20,826 INFO L225 Difference]: With dead ends: 4362 [2021-08-26 15:42:20,826 INFO L226 Difference]: Without dead ends: 4243 [2021-08-26 15:42:20,827 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.8ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-26 15:42:20,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4243 states. [2021-08-26 15:42:20,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4243 to 2245. [2021-08-26 15:42:20,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2245 states, 2232 states have (on average 1.2898745519713262) internal successors, (2879), 2244 states have internal predecessors, (2879), 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) [2021-08-26 15:42:20,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 2245 states and 2879 transitions. [2021-08-26 15:42:20,946 INFO L78 Accepts]: Start accepts. Automaton has 2245 states and 2879 transitions. Word has length 93 [2021-08-26 15:42:20,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:42:20,946 INFO L470 AbstractCegarLoop]: Abstraction has 2245 states and 2879 transitions. [2021-08-26 15:42:20,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 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) [2021-08-26 15:42:20,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 2879 transitions. [2021-08-26 15:42:20,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-08-26 15:42:20,948 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:42:20,948 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 15:42:20,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-26 15:42:20,948 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:42:20,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:42:20,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1307096688, now seen corresponding path program 1 times [2021-08-26 15:42:20,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:42:20,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786290409] [2021-08-26 15:42:20,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:42:20,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:42:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:42:21,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:42:21,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:42:21,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786290409] [2021-08-26 15:42:21,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786290409] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:42:21,044 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 15:42:21,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 15:42:21,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741973194] [2021-08-26 15:42:21,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 15:42:21,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:42:21,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 15:42:21,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 15:42:21,045 INFO L87 Difference]: Start difference. First operand 2245 states and 2879 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) [2021-08-26 15:42:21,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:42:21,273 INFO L93 Difference]: Finished difference Result 4141 states and 5304 transitions. [2021-08-26 15:42:21,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 15:42:21,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-08-26 15:42:21,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:42:21,277 INFO L225 Difference]: With dead ends: 4141 [2021-08-26 15:42:21,277 INFO L226 Difference]: Without dead ends: 2190 [2021-08-26 15:42:21,280 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 15:42:21,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2190 states. [2021-08-26 15:42:21,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2190 to 2180. [2021-08-26 15:42:21,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2180 states, 2167 states have (on average 1.2833410244577756) internal successors, (2781), 2179 states have internal predecessors, (2781), 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) [2021-08-26 15:42:21,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 2180 states and 2781 transitions. [2021-08-26 15:42:21,417 INFO L78 Accepts]: Start accepts. Automaton has 2180 states and 2781 transitions. Word has length 98 [2021-08-26 15:42:21,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:42:21,418 INFO L470 AbstractCegarLoop]: Abstraction has 2180 states and 2781 transitions. [2021-08-26 15:42:21,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) [2021-08-26 15:42:21,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2180 states and 2781 transitions. [2021-08-26 15:42:21,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-08-26 15:42:21,419 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:42:21,419 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 15:42:21,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-26 15:42:21,419 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:42:21,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:42:21,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1984260860, now seen corresponding path program 1 times [2021-08-26 15:42:21,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:42:21,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32463690] [2021-08-26 15:42:21,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:42:21,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:42:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:42:21,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:42:21,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:42:21,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32463690] [2021-08-26 15:42:21,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32463690] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:42:21,507 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 15:42:21,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 15:42:21,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882557424] [2021-08-26 15:42:21,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 15:42:21,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:42:21,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 15:42:21,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 15:42:21,509 INFO L87 Difference]: Start difference. First operand 2180 states and 2781 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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) [2021-08-26 15:42:24,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:42:24,410 INFO L93 Difference]: Finished difference Result 2190 states and 2788 transitions. [2021-08-26 15:42:24,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 15:42:24,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2021-08-26 15:42:24,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:42:24,414 INFO L225 Difference]: With dead ends: 2190 [2021-08-26 15:42:24,415 INFO L226 Difference]: Without dead ends: 2156 [2021-08-26 15:42:24,415 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.4ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-26 15:42:24,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2021-08-26 15:42:24,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 2152. [2021-08-26 15:42:24,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2152 states, 2140 states have (on average 1.2855140186915888) internal successors, (2751), 2151 states have internal predecessors, (2751), 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) [2021-08-26 15:42:24,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 2152 states and 2751 transitions. [2021-08-26 15:42:24,529 INFO L78 Accepts]: Start accepts. Automaton has 2152 states and 2751 transitions. Word has length 99 [2021-08-26 15:42:24,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:42:24,529 INFO L470 AbstractCegarLoop]: Abstraction has 2152 states and 2751 transitions. [2021-08-26 15:42:24,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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) [2021-08-26 15:42:24,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 2751 transitions. [2021-08-26 15:42:24,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-08-26 15:42:24,530 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:42:24,530 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 15:42:24,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-26 15:42:24,531 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:42:24,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:42:24,531 INFO L82 PathProgramCache]: Analyzing trace with hash 973251299, now seen corresponding path program 1 times [2021-08-26 15:42:24,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:42:24,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612072097] [2021-08-26 15:42:24,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:42:24,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:42:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:42:24,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:42:24,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:42:24,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612072097] [2021-08-26 15:42:24,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612072097] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:42:24,630 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 15:42:24,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 15:42:24,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431852525] [2021-08-26 15:42:24,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 15:42:24,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:42:24,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 15:42:24,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 15:42:24,633 INFO L87 Difference]: Start difference. First operand 2152 states and 2751 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 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) [2021-08-26 15:42:24,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:42:24,777 INFO L93 Difference]: Finished difference Result 2160 states and 2757 transitions. [2021-08-26 15:42:24,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 15:42:24,777 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-08-26 15:42:24,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:42:24,780 INFO L225 Difference]: With dead ends: 2160 [2021-08-26 15:42:24,780 INFO L226 Difference]: Without dead ends: 2156 [2021-08-26 15:42:24,781 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 15:42:24,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2021-08-26 15:42:24,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 2152. [2021-08-26 15:42:24,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2152 states, 2140 states have (on average 1.2845794392523364) internal successors, (2749), 2151 states have internal predecessors, (2749), 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) [2021-08-26 15:42:24,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 2152 states and 2749 transitions. [2021-08-26 15:42:24,924 INFO L78 Accepts]: Start accepts. Automaton has 2152 states and 2749 transitions. Word has length 126 [2021-08-26 15:42:24,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:42:24,924 INFO L470 AbstractCegarLoop]: Abstraction has 2152 states and 2749 transitions. [2021-08-26 15:42:24,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 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) [2021-08-26 15:42:24,924 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 2749 transitions. [2021-08-26 15:42:24,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-08-26 15:42:24,926 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:42:24,926 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 15:42:24,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-26 15:42:24,927 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:42:24,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:42:24,927 INFO L82 PathProgramCache]: Analyzing trace with hash 451476494, now seen corresponding path program 1 times [2021-08-26 15:42:24,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:42:24,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392813290] [2021-08-26 15:42:24,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:42:24,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:42:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:42:25,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:42:25,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:42:25,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392813290] [2021-08-26 15:42:25,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392813290] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:42:25,029 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 15:42:25,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 15:42:25,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360375705] [2021-08-26 15:42:25,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 15:42:25,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:42:25,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 15:42:25,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 15:42:25,030 INFO L87 Difference]: Start difference. First operand 2152 states and 2749 transitions. Second operand has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 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) [2021-08-26 15:42:26,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:42:26,441 INFO L93 Difference]: Finished difference Result 4067 states and 5172 transitions. [2021-08-26 15:42:26,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 15:42:26,441 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-08-26 15:42:26,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:42:26,444 INFO L225 Difference]: With dead ends: 4067 [2021-08-26 15:42:26,445 INFO L226 Difference]: Without dead ends: 2201 [2021-08-26 15:42:26,447 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 15:42:26,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2201 states. [2021-08-26 15:42:26,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2201 to 2154. [2021-08-26 15:42:26,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2154 states, 2142 states have (on average 1.284780578898226) internal successors, (2752), 2153 states have internal predecessors, (2752), 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) [2021-08-26 15:42:26,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 2154 states and 2752 transitions. [2021-08-26 15:42:26,570 INFO L78 Accepts]: Start accepts. Automaton has 2154 states and 2752 transitions. Word has length 131 [2021-08-26 15:42:26,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:42:26,570 INFO L470 AbstractCegarLoop]: Abstraction has 2154 states and 2752 transitions. [2021-08-26 15:42:26,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 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) [2021-08-26 15:42:26,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 2752 transitions. [2021-08-26 15:42:26,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-08-26 15:42:26,571 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:42:26,571 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 15:42:26,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-26 15:42:26,572 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:42:26,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:42:26,572 INFO L82 PathProgramCache]: Analyzing trace with hash -555431090, now seen corresponding path program 1 times [2021-08-26 15:42:26,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:42:26,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504286047] [2021-08-26 15:42:26,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:42:26,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:42:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:42:26,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:42:26,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:42:26,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504286047] [2021-08-26 15:42:26,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504286047] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 15:42:26,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452697989] [2021-08-26 15:42:26,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:42:26,708 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 15:42:26,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 15:42:26,713 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 15:42:26,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-26 15:42:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:42:27,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 2217 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-26 15:42:27,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 15:42:27,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:42:27,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452697989] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:42:27,602 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-26 15:42:27,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2021-08-26 15:42:27,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311605362] [2021-08-26 15:42:27,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 15:42:27,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:42:27,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 15:42:27,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 15:42:27,604 INFO L87 Difference]: Start difference. First operand 2154 states and 2752 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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) [2021-08-26 15:42:27,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:42:27,745 INFO L93 Difference]: Finished difference Result 4018 states and 5120 transitions. [2021-08-26 15:42:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 15:42:27,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-08-26 15:42:27,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:42:27,748 INFO L225 Difference]: With dead ends: 4018 [2021-08-26 15:42:27,748 INFO L226 Difference]: Without dead ends: 2158 [2021-08-26 15:42:27,750 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 15:42:27,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states. [2021-08-26 15:42:27,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 2154. [2021-08-26 15:42:27,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2154 states, 2142 states have (on average 1.2829131652661065) internal successors, (2748), 2153 states have internal predecessors, (2748), 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) [2021-08-26 15:42:27,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 2154 states and 2748 transitions. [2021-08-26 15:42:27,897 INFO L78 Accepts]: Start accepts. Automaton has 2154 states and 2748 transitions. Word has length 131 [2021-08-26 15:42:27,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:42:27,897 INFO L470 AbstractCegarLoop]: Abstraction has 2154 states and 2748 transitions. [2021-08-26 15:42:27,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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) [2021-08-26 15:42:27,897 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 2748 transitions. [2021-08-26 15:42:27,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-08-26 15:42:27,898 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:42:27,898 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 15:42:27,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-26 15:42:28,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-08-26 15:42:28,117 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:42:28,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:42:28,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1591853852, now seen corresponding path program 1 times [2021-08-26 15:42:28,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:42:28,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060826632] [2021-08-26 15:42:28,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:42:28,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:42:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 15:42:28,219 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 15:42:28,219 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 15:42:28,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060826632] [2021-08-26 15:42:28,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060826632] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 15:42:28,219 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 15:42:28,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 15:42:28,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883709949] [2021-08-26 15:42:28,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 15:42:28,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 15:42:28,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 15:42:28,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 15:42:28,220 INFO L87 Difference]: Start difference. First operand 2154 states and 2748 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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) [2021-08-26 15:42:28,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 15:42:28,403 INFO L93 Difference]: Finished difference Result 4077 states and 5182 transitions. [2021-08-26 15:42:28,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 15:42:28,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-08-26 15:42:28,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 15:42:28,407 INFO L225 Difference]: With dead ends: 4077 [2021-08-26 15:42:28,407 INFO L226 Difference]: Without dead ends: 2217 [2021-08-26 15:42:28,410 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 15:42:28,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2021-08-26 15:42:28,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 2124. [2021-08-26 15:42:28,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2124 states, 2112 states have (on average 1.2727272727272727) internal successors, (2688), 2123 states have internal predecessors, (2688), 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) [2021-08-26 15:42:28,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 2124 states and 2688 transitions. [2021-08-26 15:42:28,552 INFO L78 Accepts]: Start accepts. Automaton has 2124 states and 2688 transitions. Word has length 139 [2021-08-26 15:42:28,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 15:42:28,552 INFO L470 AbstractCegarLoop]: Abstraction has 2124 states and 2688 transitions. [2021-08-26 15:42:28,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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) [2021-08-26 15:42:28,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 2688 transitions. [2021-08-26 15:42:28,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-08-26 15:42:28,554 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 15:42:28,554 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 15:42:28,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-26 15:42:28,554 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 15:42:28,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 15:42:28,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1634788380, now seen corresponding path program 1 times [2021-08-26 15:42:28,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 15:42:28,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908654670] [2021-08-26 15:42:28,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 15:42:28,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 15:42:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 15:42:28,991 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-26 15:42:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 15:42:29,495 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-26 15:42:29,495 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-26 15:42:29,496 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 15:42:29,497 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 15:42:29,497 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 15:42:29,497 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 15:42:29,497 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 15:42:29,497 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 15:42:29,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 15:42:29,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 15:42:29,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 15:42:29,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 15:42:29,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 15:42:29,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 15:42:29,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 15:42:29,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 15:42:29,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-08-26 15:42:29,502 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 15:42:29,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 03:42:29 BoogieIcfgContainer [2021-08-26 15:42:29,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 15:42:29,726 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 15:42:29,726 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 15:42:29,726 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 15:42:29,727 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 03:41:52" (3/4) ... [2021-08-26 15:42:29,729 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-26 15:42:29,729 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 15:42:29,730 INFO L168 Benchmark]: Toolchain (without parser) took 41912.96 ms. Allocated memory was 65.0 MB in the beginning and 805.3 MB in the end (delta: 740.3 MB). Free memory was 36.2 MB in the beginning and 554.2 MB in the end (delta: -518.0 MB). Peak memory consumption was 221.6 MB. Max. memory is 16.1 GB. [2021-08-26 15:42:29,730 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 65.0 MB. Free memory was 45.8 MB in the beginning and 45.7 MB in the end (delta: 40.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 15:42:29,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1163.95 ms. Allocated memory was 65.0 MB in the beginning and 96.5 MB in the end (delta: 31.5 MB). Free memory was 35.9 MB in the beginning and 54.5 MB in the end (delta: -18.6 MB). Peak memory consumption was 46.7 MB. Max. memory is 16.1 GB. [2021-08-26 15:42:29,731 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.21 ms. Allocated memory is still 96.5 MB. Free memory was 54.5 MB in the beginning and 31.4 MB in the end (delta: 23.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-08-26 15:42:29,731 INFO L168 Benchmark]: Boogie Preprocessor took 191.03 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 31.4 MB in the beginning and 52.4 MB in the end (delta: -21.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2021-08-26 15:42:29,731 INFO L168 Benchmark]: RCFGBuilder took 3632.05 ms. Allocated memory was 117.4 MB in the beginning and 329.3 MB in the end (delta: 211.8 MB). Free memory was 52.4 MB in the beginning and 115.7 MB in the end (delta: -63.4 MB). Peak memory consumption was 194.0 MB. Max. memory is 16.1 GB. [2021-08-26 15:42:29,731 INFO L168 Benchmark]: TraceAbstraction took 36760.43 ms. Allocated memory was 329.3 MB in the beginning and 805.3 MB in the end (delta: 476.1 MB). Free memory was 114.7 MB in the beginning and 554.2 MB in the end (delta: -439.5 MB). Peak memory consumption was 334.3 MB. Max. memory is 16.1 GB. [2021-08-26 15:42:29,731 INFO L168 Benchmark]: Witness Printer took 2.46 ms. Allocated memory is still 805.3 MB. Free memory is still 554.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 15:42:29,732 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 65.0 MB. Free memory was 45.8 MB in the beginning and 45.7 MB in the end (delta: 40.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1163.95 ms. Allocated memory was 65.0 MB in the beginning and 96.5 MB in the end (delta: 31.5 MB). Free memory was 35.9 MB in the beginning and 54.5 MB in the end (delta: -18.6 MB). Peak memory consumption was 46.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 156.21 ms. Allocated memory is still 96.5 MB. Free memory was 54.5 MB in the beginning and 31.4 MB in the end (delta: 23.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 191.03 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 31.4 MB in the beginning and 52.4 MB in the end (delta: -21.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3632.05 ms. Allocated memory was 117.4 MB in the beginning and 329.3 MB in the end (delta: 211.8 MB). Free memory was 52.4 MB in the beginning and 115.7 MB in the end (delta: -63.4 MB). Peak memory consumption was 194.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 36760.43 ms. Allocated memory was 329.3 MB in the beginning and 805.3 MB in the end (delta: 476.1 MB). Free memory was 114.7 MB in the beginning and 554.2 MB in the end (delta: -439.5 MB). Peak memory consumption was 334.3 MB. Max. memory is 16.1 GB. * Witness Printer took 2.46 ms. Allocated memory is still 805.3 MB. Free memory is still 554.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6946]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6635, overapproximation of bitwiseOr at line 5696, overapproximation of shiftLeft at line 5141, overapproximation of bitwiseAnd at line 4928. Possible FailurePath: [L5170-L5181] static char const __mod_author63[40] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'a', (char const )'u', (char const )'t', (char const )'h', (char const )'o', (char const )'r', (char const )'=', (char const )'V', (char const )'o', (char const )'j', (char const )'t', (char const )'e', (char const )'c', (char const )'h', (char const )' ', (char const )'P', (char const )'a', (char const )'v', (char const )'l', (char const )'i', (char const )'k', (char const )' ', (char const )'<', (char const )'v', (char const )'o', (char const )'j', (char const )'t', (char const )'e', (char const )'c', (char const )'h', (char const )'@', (char const )'s', (char const )'u', (char const )'s', (char const )'e', (char const )'.', (char const )'c', (char const )'z', (char const )'>', (char const )'\000'}; [L5182-L5197] static char const __mod_description64[53] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'d', (char const )'e', (char const )'s', (char const )'c', (char const )'r', (char const )'i', (char const )'p', (char const )'t', (char const )'i', (char const )'o', (char const )'n', (char const )'=', (char const )'C', (char const )'A', (char const )'T', (char const )'C', (char const )' ', (char const )'E', (char const )'L', (char const )'1', (char const )'2', (char const )'1', (char const )'0', (char const )'A', (char const )' ', (char const )'N', (char const )'e', (char const )'t', (char const )'M', (char const )'a', (char const )'t', (char const )'e', (char const )' ', (char const )'U', (char const )'S', (char const )'B', (char const )' ', (char const )'E', (char const )'t', (char const )'h', (char const )'e', (char const )'r', (char const )'n', (char const )'e', (char const )'t', (char const )' ', (char const )'d', (char const )'r', (char const )'i', (char const )'v', (char const )'e', (char const )'r', (char const )'\000'}; [L5198-L5202] static char const __mod_license65[12] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'l', (char const )'i', (char const )'c', (char const )'e', (char const )'n', (char const )'s', (char const )'e', (char const )'=', (char const )'G', (char const )'P', (char const )'L', (char const )'\000'}; [L5203-L5204] static char const driver_name[5] = { (char const )'c', (char const )'a', (char const )'t', (char const )'c', (char const )'\000'}; [L6129-L6176] static struct ethtool_ops const ops = {& catc_get_settings, (int (*)(struct net_device * , struct ethtool_cmd * ))0, & catc_get_drvinfo, (int (*)(struct net_device * ))0, (void (*)(struct net_device * , struct ethtool_regs * , void * ))0, (void (*)(struct net_device * , struct ethtool_wolinfo * ))0, (int (*)(struct net_device * , struct ethtool_wolinfo * ))0, (u32 (*)(struct net_device * ))0, (void (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * ))0, & ethtool_op_get_link, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , struct ethtool_eeprom * , u8 * ))0, (int (*)(struct net_device * , struct ethtool_eeprom * , u8 * ))0, (int (*)(struct net_device * , struct ethtool_coalesce * ))0, (int (*)(struct net_device * , struct ethtool_coalesce * ))0, (void (*)(struct net_device * , struct ethtool_ringparam * ))0, (int (*)(struct net_device * , struct ethtool_ringparam * ))0, (void (*)(struct net_device * , struct ethtool_pauseparam * ))0, (int (*)(struct net_device * , struct ethtool_pauseparam * ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (void (*)(struct net_device * , struct ethtool_test * , u64 * ))0, (void (*)(struct net_device * , u32 stringset , u8 * ))0, (int (*)(struct net_device * , enum ethtool_phys_id_state ))0, (void (*)(struct net_device * , struct ethtool_stats * , u64 * ))0, (int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct ethtool_rxnfc * , void * ))0, (int (*)(struct net_device * , struct ethtool_rxnfc * ))0, (int (*)(struct net_device * , struct ethtool_flash * ))0, (int (*)(struct net_device * , u32 * ))0, (int (*)(struct net_device * , struct ethtool_rx_ntuple * ))0, (int (*)(struct net_device * , u32 stringset , void * ))0, (int (*)(struct net_device * , struct ethtool_rxfh_indir * ))0, (int (*)(struct net_device * , struct ethtool_rxfh_indir const * ))0, (void (*)(struct net_device * , struct ethtool_channels * ))0, (int (*)(struct net_device * , struct ethtool_channels * ))0, (int (*)(struct net_device * , struct ethtool_dump * ))0, (int (*)(struct net_device * , struct ethtool_dump * , void * ))0, (int (*)(struct net_device * , struct ethtool_dump * ))0}; [L6231-L6269] static struct net_device_ops const catc_netdev_ops = {(int (*)(struct net_device *dev ))0, (void (*)(struct net_device *dev ))0, & catc_open, & catc_stop, & catc_start_xmit, (u16 (*)(struct net_device *dev , struct sk_buff *skb ))0, (void (*)(struct net_device *dev , int flags ))0, (void (*)(struct net_device *dev ))0, & catc_set_multicast_list, & eth_mac_addr, & eth_validate_addr, (int (*)(struct net_device *dev , struct ifreq *ifr , int cmd ))0, (int (*)(struct net_device *dev , struct ifmap *map ))0, & eth_change_mtu, (int (*)(struct net_device *dev , struct neigh_parms * ))0, & catc_tx_timeout, (struct rtnl_link_stats64 *(*)(struct net_device *dev , struct rtnl_link_stats64 *storage ))0, (struct net_device_stats *(*)(struct net_device *dev ))0, (void (*)(struct net_device *dev , struct vlan_group *grp ))0, (void (*)(struct net_device *dev , unsigned short vid ))0, (void (*)(struct net_device *dev , unsigned short vid ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , struct netpoll_info *info ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , int queue , u8 *mac ))0, (int (*)(struct net_device *dev , int queue , u16 vlan , u8 qos ))0, (int (*)(struct net_device *dev , int vf , int rate ))0, (int (*)(struct net_device *dev , int vf , struct ifla_vf_info *ivf ))0, (int (*)(struct net_device *dev , int vf , struct nlattr **port ))0, (int (*)(struct net_device *dev , int vf , struct sk_buff *skb ))0, (int (*)(struct net_device *dev , u8 tc ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , u16 xid , struct scatterlist *sgl , unsigned int sgc ))0, (int (*)(struct net_device *dev , u16 xid ))0, (int (*)(struct net_device *dev , u16 xid , struct scatterlist *sgl , unsigned int sgc ))0, (int (*)(struct net_device *dev , u64 *wwn , int type ))0, (int (*)(struct net_device *dev , struct sk_buff const *skb , u16 rxq_index , u32 flow_id ))0, (int (*)(struct net_device *dev , struct net_device *slave_dev ))0, (int (*)(struct net_device *dev , struct net_device *slave_dev ))0, (u32 (*)(struct net_device *dev , u32 features ))0, (int (*)(struct net_device *dev , u32 features ))0}; [L6270] static struct lock_class_key __key___9 ; [L6271] static struct lock_class_key __key___10 ; [L6272] static struct lock_class_key __key___11 ; [L6684-L6692] static struct usb_device_id catc_id_table[3] = { {(__u16 )3, (__u16 )1059, (__u16 )10, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {(__u16 )3, (__u16 )1059, (__u16 )12, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {(__u16 )3, (__u16 )2257, (__u16 )1, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L6695-L6710] static struct usb_driver catc_driver = {driver_name, & catc_probe, & catc_disconnect, (int (*)(struct usb_interface *intf , unsigned int code , void *buf ))0, (int (*)(struct usb_interface *intf , pm_message_t message ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (struct usb_device_id const *)(catc_id_table), {{{{{0U}, 0U, 0U, (void *)0, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, (char const *)0, 0, 0UL}}}}, {(struct list_head *)0, (struct list_head *)0}}, {{(char const *)0, (struct bus_type *)0, (struct module *)0, (char const *)0, (_Bool)0, (struct of_device_id const *)0, (int (*)(struct device *dev ))0, (int (*)(struct device *dev ))0, (void (*)(struct device *dev ))0, (int (*)(struct device *dev , pm_message_t state ))0, (int (*)(struct device *dev ))0, (struct attribute_group const **)0, (struct dev_pm_ops const *)0, (struct driver_private *)0}, 0}, 0U, 0U, 0U}; [L6763] int LDV_IN_INTERRUPT ; [L6764] static int res_catc_open_15 ; [L6765] static int res_catc_stop_16 ; [L6766] static int res_catc_probe_17 ; [L6959] int ldv_urb_state = 0; [L6960] int ldv_coherent_state = 0; VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=0, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6768] struct net_device *var_group1 ; [L6769] struct ethtool_drvinfo *var_group2 ; [L6770] struct ethtool_cmd *var_group3 ; [L6771] struct sk_buff *var_group4 ; [L6772] struct usb_interface *var_group5 ; [L6773] struct usb_device_id const *var_catc_probe_17_p1 ; [L6774] unsigned long var_catc_stats_timer_10_p0 ; [L6775] int tmp___7 ; [L6776] int ldv_s_catc_netdev_ops_net_device_ops ; [L6777] int ldv_s_catc_driver_usb_driver ; [L6778] int tmp___8 ; [L6779] int tmp___9 ; [L6782] LDV_IN_INTERRUPT = 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6714] int result ; [L6715] int tmp___7 ; [L5088] int tmp___7 ; [L7209] return __VERIFIER_nondet_int(); [L5091] tmp___7 = usb_register_driver(driver, & __this_module, "catc") [L5093] return (tmp___7); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6718] tmp___7 = usb_register(& catc_driver) [L6719] result = tmp___7 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6721] COND TRUE result == 0 [L6727] return (result); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6784] tmp___7 = catc_init() [L6786] COND FALSE !(\read(tmp___7)) [L6790] ldv_s_catc_netdev_ops_net_device_ops = 0 [L6791] ldv_s_catc_driver_usb_driver = 0 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6793] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6796] tmp___9 = __VERIFIER_nondet_int() [L6798] COND TRUE \read(tmp___9) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6807] tmp___8 = __VERIFIER_nondet_int() [L6809] COND FALSE !(tmp___8 == 0) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6812] COND FALSE !(tmp___8 == 1) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6815] COND FALSE !(tmp___8 == 2) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6818] COND FALSE !(tmp___8 == 3) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6821] COND FALSE !(tmp___8 == 4) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6824] COND FALSE !(tmp___8 == 5) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6827] COND FALSE !(tmp___8 == 6) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6830] COND TRUE tmp___8 == 7 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6895] COND TRUE ldv_s_catc_driver_usb_driver == 0 [L6274] struct usb_device *usbdev ; [L6275] struct usb_device *tmp___7 ; [L6276] struct net_device *netdev ; [L6277] struct catc *catc ; [L6278] u8 broadcast[6] ; [L6279] int i ; [L6280] int pktsz ; [L6281] int tmp___8 ; [L6282] void *tmp___9 ; [L6283] unsigned int tmp___10 ; [L6284] unsigned int tmp___11 ; [L6285] unsigned int tmp___12 ; [L6286] unsigned int tmp___13 ; [L6287] char const *tmp___14 ; [L6288] int tmp___15 ; [L5065] struct device const *__mptr ; [L5067] EXPR intf->dev.parent [L5067] __mptr = (struct device const *)intf->dev.parent [L5068] return ((struct usb_device *)((char *)__mptr - (unsigned int )(& ((struct usb_device *)0)->dev))); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6291] tmp___7 = interface_to_usbdev(intf) [L6292] usbdev = tmp___7 [L6293] EXPR intf->altsetting [L6293] EXPR (intf->altsetting)->desc.bInterfaceNumber [L7213] return __VERIFIER_nondet_int(); [L6293-L6294] tmp___8 = usb_set_interface(usbdev, (int )(intf->altsetting)->desc.bInterfaceNumber, 1) [L6296] COND FALSE !(\read(tmp___8)) [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7117] return ldv_malloc(sizeof(struct net_device)); [L6304] netdev = alloc_etherdev_mqs((int )sizeof(struct catc ), 1U, 1U) [L6306] COND FALSE !(! netdev) [L4928] return ((void *)((char *)dev + ((sizeof(struct net_device ) + 31UL) & 0x0fffffffffffffe0UL))); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6311] tmp___9 = netdev_priv((struct net_device const *)netdev) [L6312] catc = (struct catc *)tmp___9 [L6313] netdev->netdev_ops = & catc_netdev_ops [L6314] netdev->watchdog_timeo = 1250 [L6315] netdev->ethtool_ops = & ops [L6316] catc->usbdev = usbdev [L6317] catc->netdev = netdev VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6320] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L4851] return (& lock->__annonCompField18.rlock); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6326] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6343] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L4851] return (& lock->__annonCompField18.rlock); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6349] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6366] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6377] catc->timer.data = (unsigned long )((long )catc) [L6378] catc->timer.function = & catc_stats_timer [L7022] void *arbitrary_memory ; [L7023] void *tmp___7 ; VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7026] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7161] return ldv_malloc(0UL); [L7029] tmp___7 = ldv_undefined_pointer() [L7030] arbitrary_memory = tmp___7 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7032] COND FALSE !(! arbitrary_memory) [L7036] ldv_urb_state = ldv_urb_state + 1 [L7037] return ((struct urb *)arbitrary_memory); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6379] catc->ctrl_urb = usb_alloc_urb(0, 208U) [L7022] void *arbitrary_memory ; [L7023] void *tmp___7 ; VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7026] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7161] return ldv_malloc(0UL); [L7029] tmp___7 = ldv_undefined_pointer() [L7030] arbitrary_memory = tmp___7 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7032] COND FALSE !(! arbitrary_memory) [L7036] ldv_urb_state = ldv_urb_state + 1 [L7037] return ((struct urb *)arbitrary_memory); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6380] catc->tx_urb = usb_alloc_urb(0, 208U) [L7022] void *arbitrary_memory ; [L7023] void *tmp___7 ; VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7026] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7161] return ldv_malloc(0UL); [L7029] tmp___7 = ldv_undefined_pointer() [L7030] arbitrary_memory = tmp___7 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7032] COND FALSE !(! arbitrary_memory) [L7036] ldv_urb_state = ldv_urb_state + 1 [L7037] return ((struct urb *)arbitrary_memory); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6381] catc->rx_urb = usb_alloc_urb(0, 208U) [L7022] void *arbitrary_memory ; [L7023] void *tmp___7 ; VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7026] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7161] return ldv_malloc(0UL); [L7029] tmp___7 = ldv_undefined_pointer() [L7030] arbitrary_memory = tmp___7 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7032] COND FALSE !(! arbitrary_memory) [L7036] ldv_urb_state = ldv_urb_state + 1 [L7037] return ((struct urb *)arbitrary_memory); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6382] catc->irq_urb = usb_alloc_urb(0, 208U) [L6384] EXPR catc->ctrl_urb VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6384] COND FALSE !(! catc->ctrl_urb) [L6387] EXPR catc->tx_urb VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6387] COND FALSE !(! catc->tx_urb) [L6390] EXPR catc->rx_urb VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6390] COND FALSE !(! catc->rx_urb) [L6393] EXPR catc->irq_urb VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6393] COND FALSE !(! catc->irq_urb) [L6406] EXPR usbdev->descriptor.idVendor VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6406] COND FALSE !((int )usbdev->descriptor.idVendor == 1059) [L6429] pktsz = 23070 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6432] tmp___10 = __create_pipe(usbdev, 0U) [L6433] catc->ctrl_urb [L5103] urb->dev = dev [L5104] urb->pipe = pipe [L5105] urb->setup_packet = setup_packet [L5106] urb->transfer_buffer = transfer_buffer [L5107] urb->transfer_buffer_length = (u32 )buffer_length [L5108] urb->complete = complete_fn [L5109] urb->context = context VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6436] tmp___11 = __create_pipe(usbdev, 1U) [L6437] catc->tx_urb [L5119] urb->dev = dev [L5120] urb->pipe = pipe [L5121] urb->transfer_buffer = transfer_buffer [L5122] urb->transfer_buffer_length = (u32 )buffer_length [L5123] urb->complete = complete_fn [L5124] urb->context = context VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6439] tmp___12 = __create_pipe(usbdev, 1U) [L6440] catc->rx_urb [L5119] urb->dev = dev [L5120] urb->pipe = pipe [L5121] urb->transfer_buffer = transfer_buffer [L5122] urb->transfer_buffer_length = (u32 )buffer_length [L5123] urb->complete = complete_fn [L5124] urb->context = context VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6442] tmp___13 = __create_pipe(usbdev, 2U) [L6443] catc->irq_urb [L5134] urb->dev = dev [L5135] urb->pipe = pipe [L5136] urb->transfer_buffer = transfer_buffer [L5137] urb->transfer_buffer_length = (u32 )buffer_length [L5138] urb->complete = complete_fn [L5139] urb->context = context [L5140] EXPR dev->speed VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5140] COND TRUE (unsigned int )dev->speed == 3U [L5141] urb->interval = 1 << (interval - 1) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5148] urb->start_frame = -1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6446] EXPR catc->is_f5u011 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6446] COND FALSE !(! catc->is_f5u011) [L6599] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5677] int retval ; [L5678] unsigned int tmp___7 ; [L5679] unsigned int tmp___8 ; [L5680] unsigned int tmp___9 ; [L5681] int tmp___10 ; [L5682] int tmp___11 ; VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5684] COND FALSE !(\read(dir)) [L5691] EXPR catc->usbdev [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L5691] tmp___8 = __create_pipe(catc->usbdev, 0U) [L5692] tmp___9 = (unsigned int )(2 << 30) | tmp___8 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5696] EXPR catc->usbdev [L7199] return __VERIFIER_nondet_int(); [L5696-L5697] tmp___10 = usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5698] retval = tmp___10 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5700] COND TRUE retval < 0 [L5701] tmp___11 = retval VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5705] return (tmp___11); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6608] netdev->dev_addr [L5677] int retval ; [L5678] unsigned int tmp___7 ; [L5679] unsigned int tmp___8 ; [L5680] unsigned int tmp___9 ; [L5681] int tmp___10 ; [L5682] int tmp___11 ; VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5684] COND TRUE \read(dir) [L5686] EXPR catc->usbdev [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L5686] tmp___7 = __create_pipe(catc->usbdev, 0U) [L5687] tmp___9 = ((unsigned int )(2 << 30) | tmp___7) | 128U VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5696] EXPR catc->usbdev [L7199] return __VERIFIER_nondet_int(); [L5696-L5697] tmp___10 = usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5698] retval = tmp___10 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5700] COND TRUE retval < 0 [L5701] tmp___11 = retval VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5705] return (tmp___11); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6612] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6620] catc->rxmode[0] = (u8 )11 [L6621] catc->rxmode[1] = (u8 )0 [L5677] int retval ; [L5678] unsigned int tmp___7 ; [L5679] unsigned int tmp___8 ; [L5680] unsigned int tmp___9 ; [L5681] int tmp___10 ; [L5682] int tmp___11 ; VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5684] COND FALSE !(\read(dir)) [L5691] EXPR catc->usbdev [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L5691] tmp___8 = __create_pipe(catc->usbdev, 0U) [L5692] tmp___9 = (unsigned int )(2 << 30) | tmp___8 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5696] EXPR catc->usbdev [L7199] return __VERIFIER_nondet_int(); [L5696-L5697] tmp___10 = usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5698] retval = tmp___10 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5700] COND TRUE retval < 0 [L5701] tmp___11 = retval VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5705] return (tmp___11); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6627] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6634] catc->is_f5u011 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6634] COND TRUE catc->is_f5u011 [L6635] tmp___14 = "Belkin F5U011" VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6640] EXPR usbdev->bus [L6640] (usbdev->bus)->bus_name [L6641] netdev->dev_addr [L7138] return __VERIFIER_nondet_int(); [L6643] netdev->dev.parent = & intf->dev [L7187] return __VERIFIER_nondet_int(); [L6644] tmp___15 = register_netdev(netdev) [L6646] COND FALSE !(tmp___15 != 0) [L6658] return (0); [L6658] return (0); [L6658] return (0); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6897] res_catc_probe_17 = catc_probe(var_group5, var_catc_probe_17_p1) [L6900] COND FALSE !(\read(res_catc_probe_17)) [L6904] ldv_s_catc_driver_usb_driver = ldv_s_catc_driver_usb_driver + 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6793] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6796] tmp___9 = __VERIFIER_nondet_int() [L6798] COND TRUE \read(tmp___9) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6807] tmp___8 = __VERIFIER_nondet_int() [L6809] COND FALSE !(tmp___8 == 0) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6812] COND FALSE !(tmp___8 == 1) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6815] COND TRUE tmp___8 == 2 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6852] COND TRUE ldv_s_catc_netdev_ops_net_device_ops == 0 [L6178] struct catc *catc ; [L6179] void *tmp___7 ; [L6180] int status ; [L4928] return ((void *)((char *)dev + ((sizeof(struct net_device ) + 31UL) & 0x0fffffffffffffe0UL))); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6183] tmp___7 = netdev_priv((struct net_device const *)netdev) [L6184] catc = (struct catc *)tmp___7 [L6185] EXPR catc->irq_urb [L6185] EXPR catc->usbdev [L6185] (catc->irq_urb)->dev = catc->usbdev [L6186] EXPR catc->irq_urb [L7217] return __VERIFIER_nondet_int(); [L6186] status = usb_submit_urb(catc->irq_urb, 208U) [L6188] COND TRUE status < 0 [L6192] return (-1); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6854] res_catc_open_15 = catc_open(var_group1) [L6857] COND TRUE res_catc_open_15 < 0 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=-1, res_catc_probe_17=0, res_catc_stop_16=0] [L7081] COND FALSE !(ldv_urb_state == 0) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=-1, res_catc_probe_17=0, res_catc_stop_16=0] [L6946] reach_error() VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=-1, res_catc_probe_17=0, res_catc_stop_16=0] - UnprovableResult [Line: 6946]: 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: 6946]: 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: 6946]: 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: 6946]: 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: 6946]: 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: 6946]: 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: 6946]: 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: 6946]: 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: 6946]: 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: 6946]: 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: 6946]: 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: 6946]: 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: 6946]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 689 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 36500.9ms, OverallIterations: 23, TraceHistogramMax: 2, EmptinessCheckTime: 38.8ms, AutomataDifference: 29545.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 26688 SDtfs, 26255 SDslu, 45548 SDs, 0 SdLazy, 5258 SolverSat, 331 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24320.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 271 GetRequests, 183 SyntacticMatches, 6 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 439.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2756occurred in iteration=8, InterpolantAutomatonStates: 113, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2073.4ms AutomataMinimizationTime, 22 MinimizatonAttempts, 20949 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 230.3ms SsaConstructionTime, 1386.0ms SatisfiabilityAnalysisTime, 1977.8ms InterpolantComputationTime, 2118 NumberOfCodeBlocks, 2118 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1956 ConstructedInterpolants, 0 QuantifiedInterpolants, 4857 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2217 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 23 InterpolantComputations, 22 PerfectInterpolantSequences, 25/28 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 could not prove your program: unable to determine feasibility of some traces [2021-08-26 15:42:29,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 15:42:31,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 15:42:31,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 15:42:31,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 15:42:31,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 15:42:31,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 15:42:31,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 15:42:31,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 15:42:31,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 15:42:31,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 15:42:31,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 15:42:31,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 15:42:31,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 15:42:31,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 15:42:31,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 15:42:31,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 15:42:31,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 15:42:31,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 15:42:31,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 15:42:31,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 15:42:31,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 15:42:31,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 15:42:31,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 15:42:31,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 15:42:31,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 15:42:31,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 15:42:31,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 15:42:31,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 15:42:31,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 15:42:31,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 15:42:31,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 15:42:31,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 15:42:31,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 15:42:31,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 15:42:31,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 15:42:31,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 15:42:31,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 15:42:31,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 15:42:31,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 15:42:31,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 15:42:31,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 15:42:31,364 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-08-26 15:42:31,387 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 15:42:31,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 15:42:31,387 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 15:42:31,387 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 15:42:31,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 15:42:31,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 15:42:31,390 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 15:42:31,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 15:42:31,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 15:42:31,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 15:42:31,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 15:42:31,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 15:42:31,392 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-26 15:42:31,392 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-26 15:42:31,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 15:42:31,392 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 15:42:31,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 15:42:31,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 15:42:31,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 15:42:31,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 15:42:31,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 15:42:31,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 15:42:31,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 15:42:31,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 15:42:31,393 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-26 15:42:31,393 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-26 15:42:31,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 15:42:31,393 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 15:42:31,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-26 15:42:31,393 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d2ca6494b432437ba530c183e0f890b9b201cb3 [2021-08-26 15:42:31,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 15:42:31,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 15:42:31,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 15:42:31,666 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 15:42:31,667 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 15:42:31,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2021-08-26 15:42:31,717 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cd05ebcb/967aee17297c4d0ba7ae012306254849/FLAG918eea281 [2021-08-26 15:42:32,303 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 15:42:32,303 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2021-08-26 15:42:32,331 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cd05ebcb/967aee17297c4d0ba7ae012306254849/FLAG918eea281 [2021-08-26 15:42:32,509 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cd05ebcb/967aee17297c4d0ba7ae012306254849 [2021-08-26 15:42:32,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 15:42:32,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 15:42:32,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 15:42:32,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 15:42:32,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 15:42:32,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 03:42:32" (1/1) ... [2021-08-26 15:42:32,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ceaa29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 03:42:32, skipping insertion in model container [2021-08-26 15:42:32,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 03:42:32" (1/1) ... [2021-08-26 15:42:32,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 15:42:32,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 15:42:33,144 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: only flexible array member at the end can have non-constant size at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeMemberOffset(TypeSizeAndOffsetComputer.java:583) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:304) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeSize(TypeSizeAndOffsetComputer.java:203) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructOffsetForField(TypeSizeAndOffsetComputer.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructOffsetForField(TypeSizeAndOffsetComputer.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.StructHandler.handleFieldReference(StructHandler.java:139) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1395) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1415) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:713) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1359) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3219) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-26 15:42:33,149 INFO L168 Benchmark]: Toolchain (without parser) took 636.75 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 28.7 MB in the beginning and 52.5 MB in the end (delta: -23.8 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2021-08-26 15:42:33,151 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 58.7 MB. Free memory was 41.0 MB in the beginning and 40.9 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 15:42:33,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.16 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 28.6 MB in the beginning and 52.5 MB in the end (delta: -24.0 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2021-08-26 15:42:33,153 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 58.7 MB. Free memory was 41.0 MB in the beginning and 40.9 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 635.16 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 28.6 MB in the beginning and 52.5 MB in the end (delta: -24.0 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: only flexible array member at the end can have non-constant size de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: only flexible array member at the end can have non-constant size: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeMemberOffset(TypeSizeAndOffsetComputer.java:583) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...