./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 5fbdf5bf 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-wip.dd.seqcomp-5fbdf5b [2021-08-29 23:32:59,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 23:32:59,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 23:32:59,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 23:32:59,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 23:32:59,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 23:32:59,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 23:32:59,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 23:32:59,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 23:32:59,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 23:32:59,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 23:32:59,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 23:32:59,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 23:32:59,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 23:32:59,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 23:32:59,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 23:32:59,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 23:32:59,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 23:32:59,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 23:32:59,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 23:32:59,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 23:32:59,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 23:32:59,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 23:32:59,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 23:32:59,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 23:32:59,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 23:32:59,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 23:32:59,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 23:32:59,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 23:32:59,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 23:32:59,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 23:32:59,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 23:32:59,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 23:32:59,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 23:32:59,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 23:32:59,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 23:32:59,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 23:32:59,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 23:32:59,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 23:32:59,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 23:32:59,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 23:32:59,102 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-08-29 23:32:59,116 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 23:32:59,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 23:32:59,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 23:32:59,116 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 23:32:59,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 23:32:59,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 23:32:59,117 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 23:32:59,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 23:32:59,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 23:32:59,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 23:32:59,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 23:32:59,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 23:32:59,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 23:32:59,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 23:32:59,118 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 23:32:59,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 23:32:59,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 23:32:59,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 23:32:59,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 23:32:59,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 23:32:59,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 23:32:59,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 23:32:59,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 23:32:59,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 23:32:59,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 23:32:59,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 23:32:59,120 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 23:32:59,120 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d2ca6494b432437ba530c183e0f890b9b201cb3 [2021-08-29 23:32:59,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 23:32:59,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 23:32:59,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 23:32:59,363 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 23:32:59,372 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 23:32:59,373 INFO L432 ainManager$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 [2021-08-29 23:32:59,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45c240ad1/7f619737145c43e58314f52df84b6234/FLAG85b5f26a3 [2021-08-29 23:32:59,906 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 23:32:59,906 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 [2021-08-29 23:32:59,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45c240ad1/7f619737145c43e58314f52df84b6234/FLAG85b5f26a3 [2021-08-29 23:33:00,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45c240ad1/7f619737145c43e58314f52df84b6234 [2021-08-29 23:33:00,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 23:33:00,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 23:33:00,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 23:33:00,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 23:33:00,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 23:33:00,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 11:33:00" (1/1) ... [2021-08-29 23:33:00,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29862b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:33:00, skipping insertion in model container [2021-08-29 23:33:00,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 11:33:00" (1/1) ... [2021-08-29 23:33:00,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 23:33:00,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 23:33:01,031 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] [2021-08-29 23:33:01,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 23:33:01,102 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 23:33:01,322 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] [2021-08-29 23:33:01,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 23:33:01,575 INFO L208 MainTranslator]: Completed translation [2021-08-29 23:33:01,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:33:01 WrapperNode [2021-08-29 23:33:01,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 23:33:01,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 23:33:01,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 23:33:01,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 23:33:01,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:33:01" (1/1) ... [2021-08-29 23:33:01,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:33:01" (1/1) ... [2021-08-29 23:33:01,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 23:33:01,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 23:33:01,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 23:33:01,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 23:33:01,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:33:01" (1/1) ... [2021-08-29 23:33:01,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:33:01" (1/1) ... [2021-08-29 23:33:01,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:33:01" (1/1) ... [2021-08-29 23:33:01,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:33:01" (1/1) ... [2021-08-29 23:33:01,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:33:01" (1/1) ... [2021-08-29 23:33:01,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:33:01" (1/1) ... [2021-08-29 23:33:01,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:33:01" (1/1) ... [2021-08-29 23:33:01,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 23:33:01,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 23:33:01,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 23:33:01,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 23:33:01,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:33:01" (1/1) ... [2021-08-29 23:33:01,946 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 23:33:01,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 23:33:01,974 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) [2021-08-29 23:33:01,992 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 [2021-08-29 23:33:02,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-08-29 23:33:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-08-29 23:33:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-29 23:33:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-29 23:33:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-29 23:33:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-29 23:33:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-29 23:33:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 23:33:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-29 23:33:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-29 23:33:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-29 23:33:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 23:33:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-08-29 23:33:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-08-29 23:33:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 23:33:02,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 23:33:02,346 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 23:33:02,369 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 23:33:03,303 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##522: assume !false; [2021-08-29 23:33:03,303 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##521: assume false; [2021-08-29 23:33:03,303 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2021-08-29 23:33:03,303 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2021-08-29 23:33:03,310 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 23:33:03,310 INFO L299 CfgBuilder]: Removed 647 assume(true) statements. [2021-08-29 23:33:03,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 11:33:03 BoogieIcfgContainer [2021-08-29 23:33:03,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 23:33:03,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 23:33:03,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 23:33:03,315 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 23:33:03,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 11:33:00" (1/3) ... [2021-08-29 23:33:03,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1c1f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 11:33:03, skipping insertion in model container [2021-08-29 23:33:03,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:33:01" (2/3) ... [2021-08-29 23:33:03,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1c1f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 11:33:03, skipping insertion in model container [2021-08-29 23:33:03,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 11:33:03" (3/3) ... [2021-08-29 23:33:03,317 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-usb-catc.ko.cil.out.i [2021-08-29 23:33:03,320 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 23:33:03,320 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-08-29 23:33:03,348 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 23:33:03,352 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 [2021-08-29 23:33:03,352 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-08-29 23:33:03,367 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) [2021-08-29 23:33:03,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-29 23:33:03,370 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:33:03,371 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 23:33:03,371 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)] === [2021-08-29 23:33:03,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:33:03,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1802578412, now seen corresponding path program 1 times [2021-08-29 23:33:03,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:33:03,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919049878] [2021-08-29 23:33:03,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:33:03,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:33:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:33:03,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:33:03,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:33:03,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919049878] [2021-08-29 23:33:03,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919049878] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:33:03,678 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 23:33:03,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 23:33:03,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566649279] [2021-08-29 23:33:03,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 23:33:03,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:33:03,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 23:33:03,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 23:33:03,700 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) [2021-08-29 23:33:07,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:33:07,028 INFO L93 Difference]: Finished difference Result 2020 states and 2970 transitions. [2021-08-29 23:33:07,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 23:33:07,032 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 [2021-08-29 23:33:07,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:33:07,047 INFO L225 Difference]: With dead ends: 2020 [2021-08-29 23:33:07,059 INFO L226 Difference]: Without dead ends: 1312 [2021-08-29 23:33:07,066 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.84ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 23:33:07,080 INFO L928 BasicCegarLoop]: 12 mSDtfsCounter, 836 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 1708 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2816.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 836 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 1721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.66ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3183.83ms IncrementalHoareTripleChecker+Time [2021-08-29 23:33:07,081 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [836 Valid, 24 Invalid, 1721 Unknown, 0 Unchecked, 9.66ms Time], IncrementalHoareTripleChecker [13 Valid, 1708 Invalid, 0 Unknown, 0 Unchecked, 3183.83ms Time] [2021-08-29 23:33:07,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2021-08-29 23:33:07,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1288. [2021-08-29 23:33:07,276 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) [2021-08-29 23:33:07,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1643 transitions. [2021-08-29 23:33:07,287 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1643 transitions. Word has length 11 [2021-08-29 23:33:07,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:33:07,289 INFO L470 AbstractCegarLoop]: Abstraction has 1288 states and 1643 transitions. [2021-08-29 23:33:07,289 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) [2021-08-29 23:33:07,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1643 transitions. [2021-08-29 23:33:07,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-29 23:33:07,290 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:33:07,290 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 23:33:07,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 23:33:07,294 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)] === [2021-08-29 23:33:07,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:33:07,295 INFO L82 PathProgramCache]: Analyzing trace with hash 45356904, now seen corresponding path program 1 times [2021-08-29 23:33:07,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:33:07,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933381149] [2021-08-29 23:33:07,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:33:07,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:33:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:33:07,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:33:07,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:33:07,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933381149] [2021-08-29 23:33:07,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933381149] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:33:07,481 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 23:33:07,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 23:33:07,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979509773] [2021-08-29 23:33:07,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 23:33:07,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:33:07,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 23:33:07,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 23:33:07,484 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) [2021-08-29 23:33:09,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:33:09,043 INFO L93 Difference]: Finished difference Result 1288 states and 1643 transitions. [2021-08-29 23:33:09,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 23:33:09,044 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 [2021-08-29 23:33:09,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:33:09,048 INFO L225 Difference]: With dead ends: 1288 [2021-08-29 23:33:09,048 INFO L226 Difference]: Without dead ends: 1283 [2021-08-29 23:33:09,048 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.98ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 23:33:09,049 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 835 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1386.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.16ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1517.19ms IncrementalHoareTripleChecker+Time [2021-08-29 23:33:09,049 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [835 Valid, 0 Invalid, 845 Unknown, 0 Unchecked, 2.16ms Time], IncrementalHoareTripleChecker [0 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 1517.19ms Time] [2021-08-29 23:33:09,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2021-08-29 23:33:09,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1283. [2021-08-29 23:33:09,101 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) [2021-08-29 23:33:09,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1283 states and 1633 transitions. [2021-08-29 23:33:09,104 INFO L78 Accepts]: Start accepts. Automaton has 1283 states and 1633 transitions. Word has length 12 [2021-08-29 23:33:09,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:33:09,105 INFO L470 AbstractCegarLoop]: Abstraction has 1283 states and 1633 transitions. [2021-08-29 23:33:09,107 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) [2021-08-29 23:33:09,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1633 transitions. [2021-08-29 23:33:09,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-29 23:33:09,109 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:33:09,109 INFO L513 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] [2021-08-29 23:33:09,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 23:33:09,110 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)] === [2021-08-29 23:33:09,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:33:09,111 INFO L82 PathProgramCache]: Analyzing trace with hash -965110428, now seen corresponding path program 1 times [2021-08-29 23:33:09,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:33:09,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180263688] [2021-08-29 23:33:09,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:33:09,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:33:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:33:09,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:33:09,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:33:09,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180263688] [2021-08-29 23:33:09,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180263688] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:33:09,213 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 23:33:09,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 23:33:09,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840332369] [2021-08-29 23:33:09,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 23:33:09,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:33:09,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 23:33:09,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 23:33:09,215 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) [2021-08-29 23:33:11,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:33:11,928 INFO L93 Difference]: Finished difference Result 3119 states and 4010 transitions. [2021-08-29 23:33:11,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 23:33:11,928 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 [2021-08-29 23:33:11,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:33:11,933 INFO L225 Difference]: With dead ends: 3119 [2021-08-29 23:33:11,934 INFO L226 Difference]: Without dead ends: 1844 [2021-08-29 23:33:11,935 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.26ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 23:33:11,941 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 768 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2372.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.08ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2634.17ms IncrementalHoareTripleChecker+Time [2021-08-29 23:33:11,942 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [768 Valid, 0 Invalid, 1285 Unknown, 0 Unchecked, 3.08ms Time], IncrementalHoareTripleChecker [5 Valid, 1280 Invalid, 0 Unknown, 0 Unchecked, 2634.17ms Time] [2021-08-29 23:33:11,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1844 states. [2021-08-29 23:33:12,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1844 to 1840. [2021-08-29 23:33:12,025 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) [2021-08-29 23:33:12,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 2377 transitions. [2021-08-29 23:33:12,028 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 2377 transitions. Word has length 35 [2021-08-29 23:33:12,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:33:12,029 INFO L470 AbstractCegarLoop]: Abstraction has 1840 states and 2377 transitions. [2021-08-29 23:33:12,029 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) [2021-08-29 23:33:12,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2377 transitions. [2021-08-29 23:33:12,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-08-29 23:33:12,037 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:33:12,037 INFO L513 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] [2021-08-29 23:33:12,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 23:33:12,038 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)] === [2021-08-29 23:33:12,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:33:12,039 INFO L82 PathProgramCache]: Analyzing trace with hash -2056089327, now seen corresponding path program 1 times [2021-08-29 23:33:12,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:33:12,039 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774530473] [2021-08-29 23:33:12,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:33:12,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:33:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:33:12,169 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:33:12,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:33:12,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774530473] [2021-08-29 23:33:12,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774530473] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:33:12,170 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 23:33:12,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 23:33:12,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651234364] [2021-08-29 23:33:12,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 23:33:12,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:33:12,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 23:33:12,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 23:33:12,171 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) [2021-08-29 23:33:15,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:33:15,881 INFO L93 Difference]: Finished difference Result 3679 states and 4752 transitions. [2021-08-29 23:33:15,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 23:33:15,882 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 [2021-08-29 23:33:15,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:33:15,888 INFO L225 Difference]: With dead ends: 3679 [2021-08-29 23:33:15,888 INFO L226 Difference]: Without dead ends: 1842 [2021-08-29 23:33:15,891 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.69ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 23:33:15,898 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 9 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 2525 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3341.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.32ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3623.91ms IncrementalHoareTripleChecker+Time [2021-08-29 23:33:15,899 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 0 Invalid, 2528 Unknown, 0 Unchecked, 5.32ms Time], IncrementalHoareTripleChecker [3 Valid, 2525 Invalid, 0 Unknown, 0 Unchecked, 3623.91ms Time] [2021-08-29 23:33:15,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2021-08-29 23:33:15,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 1838. [2021-08-29 23:33:15,931 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) [2021-08-29 23:33:15,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2371 transitions. [2021-08-29 23:33:15,934 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2371 transitions. Word has length 53 [2021-08-29 23:33:15,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:33:15,935 INFO L470 AbstractCegarLoop]: Abstraction has 1838 states and 2371 transitions. [2021-08-29 23:33:15,935 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) [2021-08-29 23:33:15,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2371 transitions. [2021-08-29 23:33:15,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-08-29 23:33:15,936 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:33:15,937 INFO L513 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] [2021-08-29 23:33:15,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 23:33:15,937 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)] === [2021-08-29 23:33:15,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:33:15,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1050619864, now seen corresponding path program 1 times [2021-08-29 23:33:15,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:33:15,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852700098] [2021-08-29 23:33:15,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:33:15,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:33:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:33:16,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:33:16,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:33:16,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852700098] [2021-08-29 23:33:16,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852700098] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:33:16,068 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 23:33:16,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 23:33:16,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598582917] [2021-08-29 23:33:16,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 23:33:16,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:33:16,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 23:33:16,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 23:33:16,069 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) [2021-08-29 23:33:24,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:33:24,183 INFO L93 Difference]: Finished difference Result 5464 states and 7047 transitions. [2021-08-29 23:33:24,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 23:33:24,184 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 [2021-08-29 23:33:24,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:33:24,195 INFO L225 Difference]: With dead ends: 5464 [2021-08-29 23:33:24,195 INFO L226 Difference]: Without dead ends: 3632 [2021-08-29 23:33:24,198 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.53ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 23:33:24,199 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 817 mSDsluCounter, 3247 mSDsCounter, 0 mSdLazyCounter, 4522 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7328.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.34ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7995.51ms IncrementalHoareTripleChecker+Time [2021-08-29 23:33:24,199 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [817 Valid, 0 Invalid, 4528 Unknown, 0 Unchecked, 10.34ms Time], IncrementalHoareTripleChecker [6 Valid, 4522 Invalid, 0 Unknown, 0 Unchecked, 7995.51ms Time] [2021-08-29 23:33:24,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3632 states. [2021-08-29 23:33:24,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3632 to 1841. [2021-08-29 23:33:24,239 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) [2021-08-29 23:33:24,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2373 transitions. [2021-08-29 23:33:24,242 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2373 transitions. Word has length 78 [2021-08-29 23:33:24,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:33:24,242 INFO L470 AbstractCegarLoop]: Abstraction has 1841 states and 2373 transitions. [2021-08-29 23:33:24,242 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) [2021-08-29 23:33:24,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2373 transitions. [2021-08-29 23:33:24,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-08-29 23:33:24,243 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:33:24,244 INFO L513 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] [2021-08-29 23:33:24,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 23:33:24,244 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)] === [2021-08-29 23:33:24,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:33:24,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1494520538, now seen corresponding path program 1 times [2021-08-29 23:33:24,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:33:24,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201993517] [2021-08-29 23:33:24,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:33:24,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:33:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:33:24,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:33:24,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:33:24,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201993517] [2021-08-29 23:33:24,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201993517] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:33:24,340 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 23:33:24,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 23:33:24,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043552867] [2021-08-29 23:33:24,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 23:33:24,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:33:24,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 23:33:24,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 23:33:24,343 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) [2021-08-29 23:33:34,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:33:34,133 INFO L93 Difference]: Finished difference Result 5587 states and 7218 transitions. [2021-08-29 23:33:34,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 23:33:34,133 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 [2021-08-29 23:33:34,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:33:34,145 INFO L225 Difference]: With dead ends: 5587 [2021-08-29 23:33:34,145 INFO L226 Difference]: Without dead ends: 3755 [2021-08-29 23:33:34,148 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 19.98ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 23:33:34,148 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 3573 mSDsluCounter, 3748 mSDsCounter, 0 mSdLazyCounter, 5569 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8847.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3573 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.51ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 5569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9621.80ms IncrementalHoareTripleChecker+Time [2021-08-29 23:33:34,148 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [3573 Valid, 0 Invalid, 5583 Unknown, 0 Unchecked, 13.51ms Time], IncrementalHoareTripleChecker [14 Valid, 5569 Invalid, 0 Unknown, 0 Unchecked, 9621.80ms Time] [2021-08-29 23:33:34,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3755 states. [2021-08-29 23:33:34,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3755 to 1853. [2021-08-29 23:33:34,192 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) [2021-08-29 23:33:34,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1853 states and 2385 transitions. [2021-08-29 23:33:34,194 INFO L78 Accepts]: Start accepts. Automaton has 1853 states and 2385 transitions. Word has length 78 [2021-08-29 23:33:34,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:33:34,195 INFO L470 AbstractCegarLoop]: Abstraction has 1853 states and 2385 transitions. [2021-08-29 23:33:34,195 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) [2021-08-29 23:33:34,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2385 transitions. [2021-08-29 23:33:34,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-08-29 23:33:34,196 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:33:34,196 INFO L513 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] [2021-08-29 23:33:34,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 23:33:34,196 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)] === [2021-08-29 23:33:34,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:33:34,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1517152792, now seen corresponding path program 1 times [2021-08-29 23:33:34,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:33:34,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678889711] [2021-08-29 23:33:34,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:33:34,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:33:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:33:34,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:33:34,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:33:34,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678889711] [2021-08-29 23:33:34,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678889711] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:33:34,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 23:33:34,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 23:33:34,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519595036] [2021-08-29 23:33:34,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 23:33:34,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:33:34,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 23:33:34,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 23:33:34,290 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) [2021-08-29 23:33:43,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:33:43,215 INFO L93 Difference]: Finished difference Result 3616 states and 4663 transitions. [2021-08-29 23:33:43,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 23:33:43,216 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 [2021-08-29 23:33:43,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:33:43,225 INFO L225 Difference]: With dead ends: 3616 [2021-08-29 23:33:43,225 INFO L226 Difference]: Without dead ends: 3554 [2021-08-29 23:33:43,226 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 25.95ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-29 23:33:43,227 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 725 mSDsluCounter, 3059 mSDsCounter, 0 mSdLazyCounter, 5510 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8112.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.21ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 5510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8798.77ms IncrementalHoareTripleChecker+Time [2021-08-29 23:33:43,228 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [725 Valid, 0 Invalid, 5525 Unknown, 0 Unchecked, 8.21ms Time], IncrementalHoareTripleChecker [15 Valid, 5510 Invalid, 0 Unknown, 0 Unchecked, 8798.77ms Time] [2021-08-29 23:33:43,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3554 states. [2021-08-29 23:33:43,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3554 to 1853. [2021-08-29 23:33:43,279 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) [2021-08-29 23:33:43,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1853 states and 2383 transitions. [2021-08-29 23:33:43,281 INFO L78 Accepts]: Start accepts. Automaton has 1853 states and 2383 transitions. Word has length 78 [2021-08-29 23:33:43,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:33:43,282 INFO L470 AbstractCegarLoop]: Abstraction has 1853 states and 2383 transitions. [2021-08-29 23:33:43,282 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) [2021-08-29 23:33:43,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2383 transitions. [2021-08-29 23:33:43,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-08-29 23:33:43,315 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:33:43,315 INFO L513 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] [2021-08-29 23:33:43,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 23:33:43,316 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)] === [2021-08-29 23:33:43,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:33:43,317 INFO L82 PathProgramCache]: Analyzing trace with hash 948357624, now seen corresponding path program 1 times [2021-08-29 23:33:43,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:33:43,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397314375] [2021-08-29 23:33:43,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:33:43,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:33:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:33:43,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:33:43,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:33:43,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397314375] [2021-08-29 23:33:43,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397314375] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:33:43,431 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 23:33:43,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 23:33:43,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247699923] [2021-08-29 23:33:43,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 23:33:43,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:33:43,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 23:33:43,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 23:33:43,432 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) [2021-08-29 23:33:48,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:33:48,689 INFO L93 Difference]: Finished difference Result 2830 states and 3618 transitions. [2021-08-29 23:33:48,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 23:33:48,689 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 [2021-08-29 23:33:48,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:33:48,697 INFO L225 Difference]: With dead ends: 2830 [2021-08-29 23:33:48,697 INFO L226 Difference]: Without dead ends: 2806 [2021-08-29 23:33:48,697 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.95ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 23:33:48,698 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 1514 mSDsluCounter, 1592 mSDsCounter, 0 mSdLazyCounter, 3277 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4709.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1514 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 3307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.73ms SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 3277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5162.22ms IncrementalHoareTripleChecker+Time [2021-08-29 23:33:48,698 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [1514 Valid, 0 Invalid, 3307 Unknown, 0 Unchecked, 3.73ms Time], IncrementalHoareTripleChecker [30 Valid, 3277 Invalid, 0 Unknown, 0 Unchecked, 5162.22ms Time] [2021-08-29 23:33:48,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2806 states. [2021-08-29 23:33:48,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2806 to 2756. [2021-08-29 23:33:48,763 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) [2021-08-29 23:33:48,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2756 states and 3557 transitions. [2021-08-29 23:33:48,767 INFO L78 Accepts]: Start accepts. Automaton has 2756 states and 3557 transitions. Word has length 79 [2021-08-29 23:33:48,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:33:48,768 INFO L470 AbstractCegarLoop]: Abstraction has 2756 states and 3557 transitions. [2021-08-29 23:33:48,768 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) [2021-08-29 23:33:48,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 3557 transitions. [2021-08-29 23:33:48,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-08-29 23:33:48,769 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:33:48,770 INFO L513 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] [2021-08-29 23:33:48,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 23:33:48,770 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)] === [2021-08-29 23:33:48,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:33:48,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1804226248, now seen corresponding path program 1 times [2021-08-29 23:33:48,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:33:48,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383592385] [2021-08-29 23:33:48,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:33:48,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:33:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:33:48,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:33:48,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:33:48,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383592385] [2021-08-29 23:33:48,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383592385] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:33:48,970 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 23:33:48,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 23:33:48,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103440787] [2021-08-29 23:33:48,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 23:33:48,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:33:48,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 23:33:48,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 23:33:48,971 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) [2021-08-29 23:33:57,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:33:57,626 INFO L93 Difference]: Finished difference Result 6794 states and 8773 transitions. [2021-08-29 23:33:57,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 23:33:57,627 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 [2021-08-29 23:33:57,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:33:57,636 INFO L225 Difference]: With dead ends: 6794 [2021-08-29 23:33:57,636 INFO L226 Difference]: Without dead ends: 3952 [2021-08-29 23:33:57,638 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 39.80ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 23:33:57,639 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 802 mSDsluCounter, 3013 mSDsCounter, 0 mSdLazyCounter, 4618 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7738.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.52ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8399.97ms IncrementalHoareTripleChecker+Time [2021-08-29 23:33:57,639 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [802 Valid, 0 Invalid, 4623 Unknown, 0 Unchecked, 7.52ms Time], IncrementalHoareTripleChecker [5 Valid, 4618 Invalid, 0 Unknown, 0 Unchecked, 8399.97ms Time] [2021-08-29 23:33:57,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-08-29 23:33:57,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 2144. [2021-08-29 23:33:57,708 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) [2021-08-29 23:33:57,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 2144 states and 2776 transitions. [2021-08-29 23:33:57,712 INFO L78 Accepts]: Start accepts. Automaton has 2144 states and 2776 transitions. Word has length 79 [2021-08-29 23:33:57,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:33:57,712 INFO L470 AbstractCegarLoop]: Abstraction has 2144 states and 2776 transitions. [2021-08-29 23:33:57,712 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) [2021-08-29 23:33:57,713 INFO L276 IsEmpty]: Start isEmpty. Operand 2144 states and 2776 transitions. [2021-08-29 23:33:57,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-08-29 23:33:57,714 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:33:57,714 INFO L513 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] [2021-08-29 23:33:57,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 23:33:57,714 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)] === [2021-08-29 23:33:57,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:33:57,715 INFO L82 PathProgramCache]: Analyzing trace with hash 559162765, now seen corresponding path program 1 times [2021-08-29 23:33:57,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:33:57,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153552638] [2021-08-29 23:33:57,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:33:57,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:33:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:33:57,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:33:57,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:33:57,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153552638] [2021-08-29 23:33:57,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153552638] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:33:57,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 23:33:57,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 23:33:57,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917337563] [2021-08-29 23:33:57,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 23:33:57,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:33:57,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 23:33:57,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 23:33:57,816 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) [2021-08-29 23:34:06,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:34:06,951 INFO L93 Difference]: Finished difference Result 3914 states and 5068 transitions. [2021-08-29 23:34:06,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 23:34:06,951 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 [2021-08-29 23:34:06,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:34:06,967 INFO L225 Difference]: With dead ends: 3914 [2021-08-29 23:34:06,968 INFO L226 Difference]: Without dead ends: 3859 [2021-08-29 23:34:06,969 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 22.43ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-29 23:34:06,970 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 726 mSDsluCounter, 3049 mSDsCounter, 0 mSdLazyCounter, 5496 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8231.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.92ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 5496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8954.28ms IncrementalHoareTripleChecker+Time [2021-08-29 23:34:06,978 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [726 Valid, 0 Invalid, 5513 Unknown, 0 Unchecked, 7.92ms Time], IncrementalHoareTripleChecker [17 Valid, 5496 Invalid, 0 Unknown, 0 Unchecked, 8954.28ms Time] [2021-08-29 23:34:06,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3859 states. [2021-08-29 23:34:07,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3859 to 2149. [2021-08-29 23:34:07,048 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) [2021-08-29 23:34:07,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 2780 transitions. [2021-08-29 23:34:07,050 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 2780 transitions. Word has length 85 [2021-08-29 23:34:07,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:34:07,051 INFO L470 AbstractCegarLoop]: Abstraction has 2149 states and 2780 transitions. [2021-08-29 23:34:07,051 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) [2021-08-29 23:34:07,051 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2780 transitions. [2021-08-29 23:34:07,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-08-29 23:34:07,052 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:34:07,052 INFO L513 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] [2021-08-29 23:34:07,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-29 23:34:07,053 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)] === [2021-08-29 23:34:07,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:34:07,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1810418226, now seen corresponding path program 1 times [2021-08-29 23:34:07,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:34:07,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090382592] [2021-08-29 23:34:07,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:34:07,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:34:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:34:07,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:34:07,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:34:07,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090382592] [2021-08-29 23:34:07,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090382592] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:34:07,202 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 23:34:07,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 23:34:07,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052464764] [2021-08-29 23:34:07,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 23:34:07,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:34:07,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 23:34:07,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 23:34:07,203 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) [2021-08-29 23:34:15,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:34:15,769 INFO L93 Difference]: Finished difference Result 5857 states and 7558 transitions. [2021-08-29 23:34:15,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 23:34:15,770 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 [2021-08-29 23:34:15,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:34:15,778 INFO L225 Difference]: With dead ends: 5857 [2021-08-29 23:34:15,778 INFO L226 Difference]: Without dead ends: 3975 [2021-08-29 23:34:15,782 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 36.83ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 23:34:15,783 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 817 mSDsluCounter, 2971 mSDsCounter, 0 mSdLazyCounter, 4547 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7715.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.03ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 4547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8365.55ms IncrementalHoareTripleChecker+Time [2021-08-29 23:34:15,783 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [817 Valid, 0 Invalid, 4555 Unknown, 0 Unchecked, 7.03ms Time], IncrementalHoareTripleChecker [8 Valid, 4547 Invalid, 0 Unknown, 0 Unchecked, 8365.55ms Time] [2021-08-29 23:34:15,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3975 states. [2021-08-29 23:34:15,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3975 to 2169. [2021-08-29 23:34:15,895 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) [2021-08-29 23:34:15,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 2169 states and 2803 transitions. [2021-08-29 23:34:15,898 INFO L78 Accepts]: Start accepts. Automaton has 2169 states and 2803 transitions. Word has length 86 [2021-08-29 23:34:15,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:34:15,898 INFO L470 AbstractCegarLoop]: Abstraction has 2169 states and 2803 transitions. [2021-08-29 23:34:15,898 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) [2021-08-29 23:34:15,898 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 2803 transitions. [2021-08-29 23:34:15,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-08-29 23:34:15,899 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:34:15,899 INFO L513 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] [2021-08-29 23:34:15,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-29 23:34:15,900 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)] === [2021-08-29 23:34:15,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:34:15,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1782949196, now seen corresponding path program 1 times [2021-08-29 23:34:15,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:34:15,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399194284] [2021-08-29 23:34:15,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:34:15,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:34:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:34:16,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:34:16,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:34:16,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399194284] [2021-08-29 23:34:16,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399194284] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:34:16,025 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 23:34:16,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 23:34:16,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796012187] [2021-08-29 23:34:16,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 23:34:16,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:34:16,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 23:34:16,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 23:34:16,027 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) [2021-08-29 23:34:25,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:34:25,996 INFO L93 Difference]: Finished difference Result 7126 states and 9227 transitions. [2021-08-29 23:34:25,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 23:34:25,996 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 [2021-08-29 23:34:25,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:34:26,005 INFO L225 Difference]: With dead ends: 7126 [2021-08-29 23:34:26,006 INFO L226 Difference]: Without dead ends: 5242 [2021-08-29 23:34:26,009 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 27.18ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 23:34:26,010 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 3691 mSDsluCounter, 3632 mSDsCounter, 0 mSdLazyCounter, 4930 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8918.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3691 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.76ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 4930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9688.73ms IncrementalHoareTripleChecker+Time [2021-08-29 23:34:26,010 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [3691 Valid, 0 Invalid, 4946 Unknown, 0 Unchecked, 10.76ms Time], IncrementalHoareTripleChecker [16 Valid, 4930 Invalid, 0 Unknown, 0 Unchecked, 9688.73ms Time] [2021-08-29 23:34:26,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5242 states. [2021-08-29 23:34:26,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5242 to 2169. [2021-08-29 23:34:26,104 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) [2021-08-29 23:34:26,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 2169 states and 2793 transitions. [2021-08-29 23:34:26,106 INFO L78 Accepts]: Start accepts. Automaton has 2169 states and 2793 transitions. Word has length 86 [2021-08-29 23:34:26,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:34:26,106 INFO L470 AbstractCegarLoop]: Abstraction has 2169 states and 2793 transitions. [2021-08-29 23:34:26,106 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) [2021-08-29 23:34:26,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 2793 transitions. [2021-08-29 23:34:26,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-08-29 23:34:26,107 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:34:26,108 INFO L513 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] [2021-08-29 23:34:26,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-29 23:34:26,108 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)] === [2021-08-29 23:34:26,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:34:26,108 INFO L82 PathProgramCache]: Analyzing trace with hash 268034802, now seen corresponding path program 1 times [2021-08-29 23:34:26,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:34:26,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151187655] [2021-08-29 23:34:26,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:34:26,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:34:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:34:26,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:34:26,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:34:26,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151187655] [2021-08-29 23:34:26,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151187655] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:34:26,252 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 23:34:26,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 23:34:26,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48095101] [2021-08-29 23:34:26,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 23:34:26,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:34:26,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 23:34:26,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-29 23:34:26,253 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) [2021-08-29 23:34:33,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:34:33,646 INFO L93 Difference]: Finished difference Result 3541 states and 4547 transitions. [2021-08-29 23:34:33,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 23:34:33,647 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 [2021-08-29 23:34:33,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:34:33,652 INFO L225 Difference]: With dead ends: 3541 [2021-08-29 23:34:33,652 INFO L226 Difference]: Without dead ends: 3486 [2021-08-29 23:34:33,653 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.29ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-29 23:34:33,656 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 1613 mSDsluCounter, 2787 mSDsCounter, 0 mSdLazyCounter, 4146 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6539.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1613 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.82ms SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 4146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7163.95ms IncrementalHoareTripleChecker+Time [2021-08-29 23:34:33,656 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [1613 Valid, 0 Invalid, 4185 Unknown, 0 Unchecked, 5.82ms Time], IncrementalHoareTripleChecker [39 Valid, 4146 Invalid, 0 Unknown, 0 Unchecked, 7163.95ms Time] [2021-08-29 23:34:33,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3486 states. [2021-08-29 23:34:33,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3486 to 2214. [2021-08-29 23:34:33,747 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) [2021-08-29 23:34:33,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 2845 transitions. [2021-08-29 23:34:33,749 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 2845 transitions. Word has length 86 [2021-08-29 23:34:33,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:34:33,749 INFO L470 AbstractCegarLoop]: Abstraction has 2214 states and 2845 transitions. [2021-08-29 23:34:33,750 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) [2021-08-29 23:34:33,750 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 2845 transitions. [2021-08-29 23:34:33,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-08-29 23:34:33,751 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:34:33,751 INFO L513 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] [2021-08-29 23:34:33,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-29 23:34:33,751 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)] === [2021-08-29 23:34:33,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:34:33,752 INFO L82 PathProgramCache]: Analyzing trace with hash -642776665, now seen corresponding path program 1 times [2021-08-29 23:34:33,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:34:33,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953337030] [2021-08-29 23:34:33,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:34:33,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:34:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:34:33,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:34:33,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:34:33,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953337030] [2021-08-29 23:34:33,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953337030] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:34:33,833 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 23:34:33,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 23:34:33,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085946836] [2021-08-29 23:34:33,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 23:34:33,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:34:33,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 23:34:33,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 23:34:33,834 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) [2021-08-29 23:34:43,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:34:43,050 INFO L93 Difference]: Finished difference Result 4028 states and 5175 transitions. [2021-08-29 23:34:43,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 23:34:43,051 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 [2021-08-29 23:34:43,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:34:43,057 INFO L225 Difference]: With dead ends: 4028 [2021-08-29 23:34:43,058 INFO L226 Difference]: Without dead ends: 3967 [2021-08-29 23:34:43,059 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 22.09ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-29 23:34:43,059 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 728 mSDsluCounter, 3048 mSDsCounter, 0 mSdLazyCounter, 5495 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8255.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.57ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 5495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8957.26ms IncrementalHoareTripleChecker+Time [2021-08-29 23:34:43,060 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [728 Valid, 0 Invalid, 5513 Unknown, 0 Unchecked, 7.57ms Time], IncrementalHoareTripleChecker [18 Valid, 5495 Invalid, 0 Unknown, 0 Unchecked, 8957.26ms Time] [2021-08-29 23:34:43,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3967 states. [2021-08-29 23:34:43,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3967 to 2225. [2021-08-29 23:34:43,193 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) [2021-08-29 23:34:43,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 2225 states and 2857 transitions. [2021-08-29 23:34:43,196 INFO L78 Accepts]: Start accepts. Automaton has 2225 states and 2857 transitions. Word has length 92 [2021-08-29 23:34:43,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:34:43,197 INFO L470 AbstractCegarLoop]: Abstraction has 2225 states and 2857 transitions. [2021-08-29 23:34:43,197 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) [2021-08-29 23:34:43,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 2857 transitions. [2021-08-29 23:34:43,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-08-29 23:34:43,198 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:34:43,198 INFO L513 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] [2021-08-29 23:34:43,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-29 23:34:43,199 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)] === [2021-08-29 23:34:43,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:34:43,199 INFO L82 PathProgramCache]: Analyzing trace with hash -2144683865, now seen corresponding path program 1 times [2021-08-29 23:34:43,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:34:43,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830424525] [2021-08-29 23:34:43,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:34:43,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:34:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:34:43,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:34:43,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:34:43,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830424525] [2021-08-29 23:34:43,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830424525] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:34:43,302 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 23:34:43,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 23:34:43,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924476552] [2021-08-29 23:34:43,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 23:34:43,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:34:43,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 23:34:43,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 23:34:43,303 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) [2021-08-29 23:34:51,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:34:51,723 INFO L93 Difference]: Finished difference Result 6090 states and 7800 transitions. [2021-08-29 23:34:51,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 23:34:51,723 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 [2021-08-29 23:34:51,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:34:51,750 INFO L225 Difference]: With dead ends: 6090 [2021-08-29 23:34:51,764 INFO L226 Difference]: Without dead ends: 4138 [2021-08-29 23:34:51,769 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 33.53ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 23:34:51,770 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 839 mSDsluCounter, 2979 mSDsCounter, 0 mSdLazyCounter, 4568 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7530.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.82ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8163.45ms IncrementalHoareTripleChecker+Time [2021-08-29 23:34:51,771 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [839 Valid, 0 Invalid, 4575 Unknown, 0 Unchecked, 6.82ms Time], IncrementalHoareTripleChecker [7 Valid, 4568 Invalid, 0 Unknown, 0 Unchecked, 8163.45ms Time] [2021-08-29 23:34:51,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4138 states. [2021-08-29 23:34:51,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4138 to 2236. [2021-08-29 23:34:51,882 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) [2021-08-29 23:34:51,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 2869 transitions. [2021-08-29 23:34:51,885 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 2869 transitions. Word has length 93 [2021-08-29 23:34:51,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:34:51,885 INFO L470 AbstractCegarLoop]: Abstraction has 2236 states and 2869 transitions. [2021-08-29 23:34:51,885 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) [2021-08-29 23:34:51,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2869 transitions. [2021-08-29 23:34:51,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-08-29 23:34:51,886 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:34:51,887 INFO L513 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] [2021-08-29 23:34:51,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-29 23:34:51,888 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)] === [2021-08-29 23:34:51,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:34:51,888 INFO L82 PathProgramCache]: Analyzing trace with hash 607900007, now seen corresponding path program 1 times [2021-08-29 23:34:51,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:34:51,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223744115] [2021-08-29 23:34:51,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:34:51,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:34:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:34:52,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:34:52,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:34:52,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223744115] [2021-08-29 23:34:52,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223744115] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:34:52,014 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 23:34:52,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 23:34:52,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393339257] [2021-08-29 23:34:52,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 23:34:52,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:34:52,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 23:34:52,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-29 23:34:52,015 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) [2021-08-29 23:34:59,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:34:59,835 INFO L93 Difference]: Finished difference Result 4362 states and 5593 transitions. [2021-08-29 23:34:59,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 23:34:59,836 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 [2021-08-29 23:34:59,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:34:59,870 INFO L225 Difference]: With dead ends: 4362 [2021-08-29 23:34:59,870 INFO L226 Difference]: Without dead ends: 4243 [2021-08-29 23:34:59,871 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.58ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-29 23:34:59,872 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 4100 mSDsluCounter, 2544 mSDsCounter, 0 mSdLazyCounter, 3921 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6883.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4100 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 3996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.59ms SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 3921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7501.78ms IncrementalHoareTripleChecker+Time [2021-08-29 23:34:59,873 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [4100 Valid, 0 Invalid, 3996 Unknown, 0 Unchecked, 8.59ms Time], IncrementalHoareTripleChecker [75 Valid, 3921 Invalid, 0 Unknown, 0 Unchecked, 7501.78ms Time] [2021-08-29 23:34:59,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4243 states. [2021-08-29 23:35:00,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4243 to 2245. [2021-08-29 23:35:00,040 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) [2021-08-29 23:35:00,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 2245 states and 2879 transitions. [2021-08-29 23:35:00,042 INFO L78 Accepts]: Start accepts. Automaton has 2245 states and 2879 transitions. Word has length 93 [2021-08-29 23:35:00,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:35:00,043 INFO L470 AbstractCegarLoop]: Abstraction has 2245 states and 2879 transitions. [2021-08-29 23:35:00,043 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) [2021-08-29 23:35:00,044 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 2879 transitions. [2021-08-29 23:35:00,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-08-29 23:35:00,044 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:35:00,044 INFO L513 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] [2021-08-29 23:35:00,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-29 23:35:00,045 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)] === [2021-08-29 23:35:00,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:35:00,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1307096688, now seen corresponding path program 1 times [2021-08-29 23:35:00,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:35:00,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616593279] [2021-08-29 23:35:00,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:35:00,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:35:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:35:00,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:35:00,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:35:00,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616593279] [2021-08-29 23:35:00,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616593279] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:35:00,139 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 23:35:00,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 23:35:00,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635088777] [2021-08-29 23:35:00,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 23:35:00,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:35:00,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 23:35:00,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 23:35:00,140 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) [2021-08-29 23:35:04,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:35:04,717 INFO L93 Difference]: Finished difference Result 4141 states and 5304 transitions. [2021-08-29 23:35:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 23:35:04,717 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 [2021-08-29 23:35:04,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:35:04,720 INFO L225 Difference]: With dead ends: 4141 [2021-08-29 23:35:04,720 INFO L226 Difference]: Without dead ends: 2190 [2021-08-29 23:35:04,722 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.58ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 23:35:04,723 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 782 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 2283 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3976.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 782 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.53ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4381.45ms IncrementalHoareTripleChecker+Time [2021-08-29 23:35:04,723 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [782 Valid, 0 Invalid, 2305 Unknown, 0 Unchecked, 2.53ms Time], IncrementalHoareTripleChecker [22 Valid, 2283 Invalid, 0 Unknown, 0 Unchecked, 4381.45ms Time] [2021-08-29 23:35:04,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2190 states. [2021-08-29 23:35:04,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2190 to 2180. [2021-08-29 23:35:04,834 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) [2021-08-29 23:35:04,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 2180 states and 2781 transitions. [2021-08-29 23:35:04,836 INFO L78 Accepts]: Start accepts. Automaton has 2180 states and 2781 transitions. Word has length 98 [2021-08-29 23:35:04,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:35:04,836 INFO L470 AbstractCegarLoop]: Abstraction has 2180 states and 2781 transitions. [2021-08-29 23:35:04,837 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) [2021-08-29 23:35:04,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2180 states and 2781 transitions. [2021-08-29 23:35:04,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-08-29 23:35:04,838 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:35:04,838 INFO L513 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] [2021-08-29 23:35:04,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-29 23:35:04,838 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)] === [2021-08-29 23:35:04,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:35:04,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1984260860, now seen corresponding path program 1 times [2021-08-29 23:35:04,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:35:04,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092042473] [2021-08-29 23:35:04,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:35:04,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:35:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:35:04,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:35:04,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:35:04,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092042473] [2021-08-29 23:35:04,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092042473] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:35:04,966 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 23:35:04,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 23:35:04,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800075133] [2021-08-29 23:35:04,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 23:35:04,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:35:04,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 23:35:04,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 23:35:04,967 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) [2021-08-29 23:35:10,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:35:10,950 INFO L93 Difference]: Finished difference Result 2190 states and 2788 transitions. [2021-08-29 23:35:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 23:35:10,950 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 [2021-08-29 23:35:10,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:35:10,953 INFO L225 Difference]: With dead ends: 2190 [2021-08-29 23:35:10,953 INFO L226 Difference]: Without dead ends: 2156 [2021-08-29 23:35:10,954 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.82ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 23:35:10,954 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 8 mSDsluCounter, 1981 mSDsCounter, 0 mSdLazyCounter, 3276 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5365.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 3277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.10ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5827.83ms IncrementalHoareTripleChecker+Time [2021-08-29 23:35:10,954 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 0 Invalid, 3277 Unknown, 0 Unchecked, 5.10ms Time], IncrementalHoareTripleChecker [1 Valid, 3276 Invalid, 0 Unknown, 0 Unchecked, 5827.83ms Time] [2021-08-29 23:35:10,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2021-08-29 23:35:11,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 2152. [2021-08-29 23:35:11,091 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) [2021-08-29 23:35:11,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 2152 states and 2751 transitions. [2021-08-29 23:35:11,093 INFO L78 Accepts]: Start accepts. Automaton has 2152 states and 2751 transitions. Word has length 99 [2021-08-29 23:35:11,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:35:11,093 INFO L470 AbstractCegarLoop]: Abstraction has 2152 states and 2751 transitions. [2021-08-29 23:35:11,093 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) [2021-08-29 23:35:11,093 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 2751 transitions. [2021-08-29 23:35:11,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-08-29 23:35:11,094 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:35:11,094 INFO L513 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] [2021-08-29 23:35:11,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-29 23:35:11,095 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)] === [2021-08-29 23:35:11,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:35:11,095 INFO L82 PathProgramCache]: Analyzing trace with hash 973251299, now seen corresponding path program 1 times [2021-08-29 23:35:11,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:35:11,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772660424] [2021-08-29 23:35:11,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:35:11,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:35:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:35:11,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:35:11,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:35:11,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772660424] [2021-08-29 23:35:11,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772660424] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:35:11,184 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 23:35:11,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 23:35:11,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628857626] [2021-08-29 23:35:11,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 23:35:11,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:35:11,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 23:35:11,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 23:35:11,187 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) [2021-08-29 23:35:14,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:35:14,754 INFO L93 Difference]: Finished difference Result 2160 states and 2757 transitions. [2021-08-29 23:35:14,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 23:35:14,754 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 [2021-08-29 23:35:14,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:35:14,757 INFO L225 Difference]: With dead ends: 2160 [2021-08-29 23:35:14,757 INFO L226 Difference]: Without dead ends: 2156 [2021-08-29 23:35:14,757 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.89ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 23:35:14,758 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 1236 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 1956 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3112.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1236 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.97ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3422.65ms IncrementalHoareTripleChecker+Time [2021-08-29 23:35:14,758 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [1236 Valid, 0 Invalid, 1958 Unknown, 0 Unchecked, 2.97ms Time], IncrementalHoareTripleChecker [2 Valid, 1956 Invalid, 0 Unknown, 0 Unchecked, 3422.65ms Time] [2021-08-29 23:35:14,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2021-08-29 23:35:14,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 2152. [2021-08-29 23:35:14,884 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) [2021-08-29 23:35:14,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 2152 states and 2749 transitions. [2021-08-29 23:35:14,886 INFO L78 Accepts]: Start accepts. Automaton has 2152 states and 2749 transitions. Word has length 126 [2021-08-29 23:35:14,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:35:14,886 INFO L470 AbstractCegarLoop]: Abstraction has 2152 states and 2749 transitions. [2021-08-29 23:35:14,886 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) [2021-08-29 23:35:14,886 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 2749 transitions. [2021-08-29 23:35:14,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-08-29 23:35:14,887 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:35:14,887 INFO L513 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] [2021-08-29 23:35:14,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-29 23:35:14,888 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)] === [2021-08-29 23:35:14,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:35:14,888 INFO L82 PathProgramCache]: Analyzing trace with hash 451476494, now seen corresponding path program 1 times [2021-08-29 23:35:14,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:35:14,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443372341] [2021-08-29 23:35:14,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:35:14,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:35:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:35:14,987 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:35:14,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:35:14,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443372341] [2021-08-29 23:35:14,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443372341] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:35:14,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 23:35:14,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 23:35:14,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392658698] [2021-08-29 23:35:14,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 23:35:14,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:35:14,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 23:35:14,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 23:35:14,989 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) [2021-08-29 23:35:20,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:35:20,866 INFO L93 Difference]: Finished difference Result 4067 states and 5172 transitions. [2021-08-29 23:35:20,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 23:35:20,866 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 [2021-08-29 23:35:20,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:35:20,869 INFO L225 Difference]: With dead ends: 4067 [2021-08-29 23:35:20,869 INFO L226 Difference]: Without dead ends: 2201 [2021-08-29 23:35:20,870 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.36ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 23:35:20,871 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 53 mSDsluCounter, 2209 mSDsCounter, 0 mSdLazyCounter, 3269 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5309.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 3273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.98ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5721.17ms IncrementalHoareTripleChecker+Time [2021-08-29 23:35:20,871 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 0 Invalid, 3273 Unknown, 0 Unchecked, 3.98ms Time], IncrementalHoareTripleChecker [4 Valid, 3269 Invalid, 0 Unknown, 0 Unchecked, 5721.17ms Time] [2021-08-29 23:35:20,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2201 states. [2021-08-29 23:35:20,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2201 to 2154. [2021-08-29 23:35:20,979 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) [2021-08-29 23:35:20,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 2154 states and 2752 transitions. [2021-08-29 23:35:20,981 INFO L78 Accepts]: Start accepts. Automaton has 2154 states and 2752 transitions. Word has length 131 [2021-08-29 23:35:20,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:35:20,981 INFO L470 AbstractCegarLoop]: Abstraction has 2154 states and 2752 transitions. [2021-08-29 23:35:20,982 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) [2021-08-29 23:35:20,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 2752 transitions. [2021-08-29 23:35:20,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-08-29 23:35:20,983 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:35:20,983 INFO L513 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] [2021-08-29 23:35:20,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-29 23:35:20,983 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)] === [2021-08-29 23:35:20,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:35:20,984 INFO L82 PathProgramCache]: Analyzing trace with hash -555431090, now seen corresponding path program 1 times [2021-08-29 23:35:20,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:35:20,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223228267] [2021-08-29 23:35:20,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:35:20,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:35:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:35:21,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:35:21,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:35:21,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223228267] [2021-08-29 23:35:21,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223228267] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 23:35:21,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246265492] [2021-08-29 23:35:21,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:35:21,101 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 23:35:21,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 23:35:21,102 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) [2021-08-29 23:35:21,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-29 23:35:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:35:21,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 2217 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 23:35:21,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 23:35:21,829 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:35:21,829 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 23:35:21,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246265492] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:35:21,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 23:35:21,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2021-08-29 23:35:21,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304571367] [2021-08-29 23:35:21,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 23:35:21,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:35:21,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 23:35:21,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 23:35:21,831 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) [2021-08-29 23:35:26,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:35:26,283 INFO L93 Difference]: Finished difference Result 4018 states and 5120 transitions. [2021-08-29 23:35:26,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 23:35:26,283 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 [2021-08-29 23:35:26,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:35:26,286 INFO L225 Difference]: With dead ends: 4018 [2021-08-29 23:35:26,287 INFO L226 Difference]: Without dead ends: 2158 [2021-08-29 23:35:26,289 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.74ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 23:35:26,290 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 1063 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 1964 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3921.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.01ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4272.81ms IncrementalHoareTripleChecker+Time [2021-08-29 23:35:26,290 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [1063 Valid, 0 Invalid, 1967 Unknown, 0 Unchecked, 3.01ms Time], IncrementalHoareTripleChecker [3 Valid, 1964 Invalid, 0 Unknown, 0 Unchecked, 4272.81ms Time] [2021-08-29 23:35:26,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states. [2021-08-29 23:35:26,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 2154. [2021-08-29 23:35:26,451 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) [2021-08-29 23:35:26,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 2154 states and 2748 transitions. [2021-08-29 23:35:26,453 INFO L78 Accepts]: Start accepts. Automaton has 2154 states and 2748 transitions. Word has length 131 [2021-08-29 23:35:26,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:35:26,454 INFO L470 AbstractCegarLoop]: Abstraction has 2154 states and 2748 transitions. [2021-08-29 23:35:26,454 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) [2021-08-29 23:35:26,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 2748 transitions. [2021-08-29 23:35:26,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-08-29 23:35:26,455 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:35:26,456 INFO L513 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] [2021-08-29 23:35:26,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-08-29 23:35:26,677 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 [2021-08-29 23:35:26,680 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)] === [2021-08-29 23:35:26,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:35:26,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1591853852, now seen corresponding path program 1 times [2021-08-29 23:35:26,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:35:26,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191327166] [2021-08-29 23:35:26,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:35:26,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:35:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 23:35:26,818 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 23:35:26,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 23:35:26,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191327166] [2021-08-29 23:35:26,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191327166] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 23:35:26,819 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 23:35:26,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 23:35:26,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259971725] [2021-08-29 23:35:26,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 23:35:26,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 23:35:26,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 23:35:26,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 23:35:26,821 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) [2021-08-29 23:35:31,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 23:35:31,180 INFO L93 Difference]: Finished difference Result 4077 states and 5182 transitions. [2021-08-29 23:35:31,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 23:35:31,182 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 [2021-08-29 23:35:31,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 23:35:31,185 INFO L225 Difference]: With dead ends: 4077 [2021-08-29 23:35:31,185 INFO L226 Difference]: Without dead ends: 2217 [2021-08-29 23:35:31,188 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.38ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 23:35:31,189 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 720 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 1765 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3817.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 720 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.23ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4184.83ms IncrementalHoareTripleChecker+Time [2021-08-29 23:35:31,189 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [720 Valid, 0 Invalid, 1793 Unknown, 0 Unchecked, 2.23ms Time], IncrementalHoareTripleChecker [28 Valid, 1765 Invalid, 0 Unknown, 0 Unchecked, 4184.83ms Time] [2021-08-29 23:35:31,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2021-08-29 23:35:31,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 2124. [2021-08-29 23:35:31,344 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) [2021-08-29 23:35:31,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 2124 states and 2688 transitions. [2021-08-29 23:35:31,347 INFO L78 Accepts]: Start accepts. Automaton has 2124 states and 2688 transitions. Word has length 139 [2021-08-29 23:35:31,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 23:35:31,347 INFO L470 AbstractCegarLoop]: Abstraction has 2124 states and 2688 transitions. [2021-08-29 23:35:31,347 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) [2021-08-29 23:35:31,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 2688 transitions. [2021-08-29 23:35:31,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-08-29 23:35:31,348 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 23:35:31,349 INFO L513 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] [2021-08-29 23:35:31,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-29 23:35:31,349 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)] === [2021-08-29 23:35:31,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 23:35:31,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1634788380, now seen corresponding path program 1 times [2021-08-29 23:35:31,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 23:35:31,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202398842] [2021-08-29 23:35:31,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 23:35:31,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 23:35:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 23:35:31,875 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-29 23:35:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 23:35:32,423 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-29 23:35:32,423 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-29 23:35:32,424 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (13 of 14 remaining) [2021-08-29 23:35:32,425 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 14 remaining) [2021-08-29 23:35:32,426 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (11 of 14 remaining) [2021-08-29 23:35:32,426 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (10 of 14 remaining) [2021-08-29 23:35:32,426 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (9 of 14 remaining) [2021-08-29 23:35:32,426 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (8 of 14 remaining) [2021-08-29 23:35:32,426 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (7 of 14 remaining) [2021-08-29 23:35:32,427 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (6 of 14 remaining) [2021-08-29 23:35:32,427 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (5 of 14 remaining) [2021-08-29 23:35:32,427 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (4 of 14 remaining) [2021-08-29 23:35:32,427 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (3 of 14 remaining) [2021-08-29 23:35:32,427 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (2 of 14 remaining) [2021-08-29 23:35:32,427 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (1 of 14 remaining) [2021-08-29 23:35:32,427 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (0 of 14 remaining) [2021-08-29 23:35:32,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-08-29 23:35:32,432 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 23:35:32,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 11:35:32 BoogieIcfgContainer [2021-08-29 23:35:32,743 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 23:35:32,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 23:35:32,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 23:35:32,744 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 23:35:32,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 11:33:03" (3/4) ... [2021-08-29 23:35:32,747 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-29 23:35:32,747 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 23:35:32,747 INFO L158 Benchmark]: Toolchain (without parser) took 152581.68ms. Allocated memory was 71.3MB in the beginning and 604.0MB in the end (delta: 532.7MB). Free memory was 45.7MB in the beginning and 451.6MB in the end (delta: -405.8MB). Peak memory consumption was 126.9MB. Max. memory is 16.1GB. [2021-08-29 23:35:32,748 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 71.3MB. Free memory was 54.1MB in the beginning and 54.1MB in the end (delta: 54.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 23:35:32,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1409.74ms. Allocated memory was 71.3MB in the beginning and 237.0MB in the end (delta: 165.7MB). Free memory was 45.6MB in the beginning and 136.9MB in the end (delta: -91.3MB). Peak memory consumption was 87.5MB. Max. memory is 16.1GB. [2021-08-29 23:35:32,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 189.52ms. Allocated memory is still 237.0MB. Free memory was 136.9MB in the beginning and 113.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-08-29 23:35:32,751 INFO L158 Benchmark]: Boogie Preprocessor took 171.36ms. Allocated memory is still 237.0MB. Free memory was 113.8MB in the beginning and 91.8MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-08-29 23:35:32,751 INFO L158 Benchmark]: RCFGBuilder took 1372.74ms. Allocated memory is still 237.0MB. Free memory was 91.8MB in the beginning and 102.7MB in the end (delta: -10.9MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. [2021-08-29 23:35:32,751 INFO L158 Benchmark]: TraceAbstraction took 149430.13ms. Allocated memory was 237.0MB in the beginning and 604.0MB in the end (delta: 367.0MB). Free memory was 102.7MB in the beginning and 452.6MB in the end (delta: -349.9MB). Peak memory consumption was 316.0MB. Max. memory is 16.1GB. [2021-08-29 23:35:32,751 INFO L158 Benchmark]: Witness Printer took 3.07ms. Allocated memory is still 604.0MB. Free memory is still 451.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 23:35:32,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 71.3MB. Free memory was 54.1MB in the beginning and 54.1MB in the end (delta: 54.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1409.74ms. Allocated memory was 71.3MB in the beginning and 237.0MB in the end (delta: 165.7MB). Free memory was 45.6MB in the beginning and 136.9MB in the end (delta: -91.3MB). Peak memory consumption was 87.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 189.52ms. Allocated memory is still 237.0MB. Free memory was 136.9MB in the beginning and 113.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 171.36ms. Allocated memory is still 237.0MB. Free memory was 113.8MB in the beginning and 91.8MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1372.74ms. Allocated memory is still 237.0MB. Free memory was 91.8MB in the beginning and 102.7MB in the end (delta: -10.9MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. * TraceAbstraction took 149430.13ms. Allocated memory was 237.0MB in the beginning and 604.0MB in the end (delta: 367.0MB). Free memory was 102.7MB in the beginning and 452.6MB in the end (delta: -349.9MB). Peak memory consumption was 316.0MB. Max. memory is 16.1GB. * Witness Printer took 3.07ms. Allocated memory is still 604.0MB. Free memory is still 451.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms 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: 149083.59ms, OverallIterations: 23, TraceHistogramMax: 2, EmptinessCheckTime: 65.92ms, AutomataDifference: 141782.76ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 10.86ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26255 SdHoareTripleChecker+Valid, 137543.13ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26255 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 126230.19ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45548 mSDsCounter, 331 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77470 IncrementalHoareTripleChecker+Invalid, 77801 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 331 mSolverCounterUnsat, 12 mSDtfsCounter, 77470 mSolverCounterSat, 137.89ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 271 GetRequests, 183 SyntacticMatches, 6 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 331.68ms Time, 0.00ms 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, 0.00ms DumpTime, AutomataMinimizationStatistics: 2244.71ms AutomataMinimizationTime, 22 MinimizatonAttempts, 20949 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 223.11ms SsaConstructionTime, 1486.03ms SatisfiabilityAnalysisTime, 1881.27ms 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 [2021-08-29 23:35:32,809 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-wip.dd.seqcomp-5fbdf5b [2021-08-29 23:35:34,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 23:35:34,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 23:35:34,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 23:35:34,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 23:35:34,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 23:35:34,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 23:35:34,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 23:35:34,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 23:35:34,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 23:35:34,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 23:35:34,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 23:35:34,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 23:35:34,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 23:35:34,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 23:35:34,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 23:35:34,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 23:35:34,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 23:35:34,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 23:35:34,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 23:35:34,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 23:35:34,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 23:35:34,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 23:35:34,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 23:35:34,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 23:35:34,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 23:35:34,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 23:35:34,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 23:35:34,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 23:35:34,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 23:35:34,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 23:35:34,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 23:35:34,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 23:35:34,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 23:35:34,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 23:35:34,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 23:35:34,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 23:35:34,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 23:35:34,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 23:35:34,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 23:35:34,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 23:35:34,602 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-08-29 23:35:34,630 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 23:35:34,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 23:35:34,631 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 23:35:34,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 23:35:34,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 23:35:34,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 23:35:34,632 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 23:35:34,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 23:35:34,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 23:35:34,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 23:35:34,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 23:35:34,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 23:35:34,633 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-29 23:35:34,634 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-29 23:35:34,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 23:35:34,634 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 23:35:34,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 23:35:34,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 23:35:34,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 23:35:34,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 23:35:34,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 23:35:34,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 23:35:34,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 23:35:34,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 23:35:34,635 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-29 23:35:34,635 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-29 23:35:34,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 23:35:34,635 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 23:35:34,635 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-29 23:35:34,635 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d2ca6494b432437ba530c183e0f890b9b201cb3 [2021-08-29 23:35:34,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 23:35:34,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 23:35:34,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 23:35:34,914 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 23:35:34,914 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 23:35:34,915 INFO L432 ainManager$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 [2021-08-29 23:35:34,961 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c0449b66/0eadbdb06df047dcb31809fb8f11167d/FLAGfb5048df8 [2021-08-29 23:35:35,529 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 23:35:35,530 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 [2021-08-29 23:35:35,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c0449b66/0eadbdb06df047dcb31809fb8f11167d/FLAGfb5048df8 [2021-08-29 23:35:35,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c0449b66/0eadbdb06df047dcb31809fb8f11167d [2021-08-29 23:35:35,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 23:35:35,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 23:35:35,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 23:35:35,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 23:35:35,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 23:35:35,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 11:35:35" (1/1) ... [2021-08-29 23:35:35,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b126c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:35:35, skipping insertion in model container [2021-08-29 23:35:35,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 11:35:35" (1/1) ... [2021-08-29 23:35:35,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 23:35:35,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 23:35:36,419 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) [2021-08-29 23:35:36,441 INFO L158 Benchmark]: Toolchain (without parser) took 725.55ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 30.5MB in the beginning and 56.6MB in the end (delta: -26.1MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-08-29 23:35:36,442 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 23:35:36,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 722.59ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 30.4MB in the beginning and 56.6MB in the end (delta: -26.2MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-08-29 23:35:36,444 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 722.59ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 30.4MB in the beginning and 56.6MB in the end (delta: -26.2MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * 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...