./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.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 75d232d8f5b5300b961fad2246cc6bf62d9846d1616b34b46b949e6c32c2a93b --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:10:25,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:10:25,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:10:25,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:10:25,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:10:25,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:10:25,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:10:25,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:10:25,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:10:25,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:10:25,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:10:25,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:10:25,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:10:25,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:10:25,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:10:25,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:10:25,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:10:25,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:10:25,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:10:25,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:10:25,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:10:25,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:10:25,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:10:25,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:10:25,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:10:25,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:10:25,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:10:25,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:10:25,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:10:25,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:10:25,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:10:25,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:10:25,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:10:25,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:10:25,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:10:25,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:10:25,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:10:25,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:10:25,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:10:25,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:10:25,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:10:25,496 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:10:25,519 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:10:25,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:10:25,520 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:10:25,520 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:10:25,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:10:25,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:10:25,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:10:25,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:10:25,522 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:10:25,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:10:25,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:10:25,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:10:25,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:10:25,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:10:25,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:10:25,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:10:25,527 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:10:25,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:10:25,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:10:25,527 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:10:25,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:10:25,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:10:25,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:10:25,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:10:25,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:10:25,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:10:25,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:10:25,529 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:10:25,529 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:10:25,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:10:25,529 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:10:25,529 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75d232d8f5b5300b961fad2246cc6bf62d9846d1616b34b46b949e6c32c2a93b [2021-12-16 04:10:25,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:10:25,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:10:25,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:10:25,763 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:10:25,764 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:10:25,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-16 04:10:25,803 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a21e22a74/b818e2556ced4487943ec56e27b5f544/FLAG16ba2ace3 [2021-12-16 04:10:26,309 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:10:26,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-16 04:10:26,338 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a21e22a74/b818e2556ced4487943ec56e27b5f544/FLAG16ba2ace3 [2021-12-16 04:10:26,587 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a21e22a74/b818e2556ced4487943ec56e27b5f544 [2021-12-16 04:10:26,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:10:26,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:10:26,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:10:26,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:10:26,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:10:26,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:10:26" (1/1) ... [2021-12-16 04:10:26,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42588fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:26, skipping insertion in model container [2021-12-16 04:10:26,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:10:26" (1/1) ... [2021-12-16 04:10:26,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:10:26,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:10:27,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i[133500,133513] [2021-12-16 04:10:27,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:10:27,221 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:10:27,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i[133500,133513] [2021-12-16 04:10:27,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:10:27,380 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:10:27,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:27 WrapperNode [2021-12-16 04:10:27,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:10:27,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:10:27,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:10:27,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:10:27,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:27" (1/1) ... [2021-12-16 04:10:27,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:27" (1/1) ... [2021-12-16 04:10:27,486 INFO L137 Inliner]: procedures = 94, calls = 1017, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 1798 [2021-12-16 04:10:27,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:10:27,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:10:27,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:10:27,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:10:27,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:27" (1/1) ... [2021-12-16 04:10:27,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:27" (1/1) ... [2021-12-16 04:10:27,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:27" (1/1) ... [2021-12-16 04:10:27,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:27" (1/1) ... [2021-12-16 04:10:27,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:27" (1/1) ... [2021-12-16 04:10:27,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:27" (1/1) ... [2021-12-16 04:10:27,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:27" (1/1) ... [2021-12-16 04:10:27,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:10:27,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:10:27,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:10:27,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:10:27,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:27" (1/1) ... [2021-12-16 04:10:27,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:10:27,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:10:27,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 04:10:27,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 04:10:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:10:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:10:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:10:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2021-12-16 04:10:27,661 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2021-12-16 04:10:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2021-12-16 04:10:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2021-12-16 04:10:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:10:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:10:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:10:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:10:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:10:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2021-12-16 04:10:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2021-12-16 04:10:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-12-16 04:10:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-12-16 04:10:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-16 04:10:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-16 04:10:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:10:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-16 04:10:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-16 04:10:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2021-12-16 04:10:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2021-12-16 04:10:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:10:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:10:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:10:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:10:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2021-12-16 04:10:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2021-12-16 04:10:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-12-16 04:10:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-12-16 04:10:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2021-12-16 04:10:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2021-12-16 04:10:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2021-12-16 04:10:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2021-12-16 04:10:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2021-12-16 04:10:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2021-12-16 04:10:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2021-12-16 04:10:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2021-12-16 04:10:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:10:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:10:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:10:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:10:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:10:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2021-12-16 04:10:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2021-12-16 04:10:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:10:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2021-12-16 04:10:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2021-12-16 04:10:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:10:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:10:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-16 04:10:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-16 04:10:27,907 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:10:27,908 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:10:27,978 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:10:28,738 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:10:28,750 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:10:28,750 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 04:10:28,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:10:28 BoogieIcfgContainer [2021-12-16 04:10:28,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:10:28,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:10:28,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:10:28,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:10:28,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:10:26" (1/3) ... [2021-12-16 04:10:28,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e57e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:10:28, skipping insertion in model container [2021-12-16 04:10:28,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:27" (2/3) ... [2021-12-16 04:10:28,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e57e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:10:28, skipping insertion in model container [2021-12-16 04:10:28,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:10:28" (3/3) ... [2021-12-16 04:10:28,759 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-16 04:10:28,763 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:10:28,763 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:10:28,803 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:10:28,807 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 04:10:28,807 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:10:28,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 373 states, 283 states have (on average 1.4169611307420495) internal successors, (401), 290 states have internal predecessors, (401), 68 states have call successors, (68), 21 states have call predecessors, (68), 20 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2021-12-16 04:10:28,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-16 04:10:28,843 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:28,844 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:10:28,844 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:28,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:28,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1914240548, now seen corresponding path program 1 times [2021-12-16 04:10:28,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:10:28,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933678805] [2021-12-16 04:10:28,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:28,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:10:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:10:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:10:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:10:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-16 04:10:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:10:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-16 04:10:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,434 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-12-16 04:10:29,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:10:29,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933678805] [2021-12-16 04:10:29,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933678805] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:29,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:10:29,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:10:29,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566494188] [2021-12-16 04:10:29,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:29,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:10:29,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:10:29,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:10:29,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:10:29,469 INFO L87 Difference]: Start difference. First operand has 373 states, 283 states have (on average 1.4169611307420495) internal successors, (401), 290 states have internal predecessors, (401), 68 states have call successors, (68), 21 states have call predecessors, (68), 20 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-16 04:10:29,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:29,883 INFO L93 Difference]: Finished difference Result 746 states and 1075 transitions. [2021-12-16 04:10:29,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 04:10:29,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 86 [2021-12-16 04:10:29,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:29,901 INFO L225 Difference]: With dead ends: 746 [2021-12-16 04:10:29,902 INFO L226 Difference]: Without dead ends: 366 [2021-12-16 04:10:29,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:10:29,913 INFO L933 BasicCegarLoop]: 524 mSDtfsCounter, 81 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 1549 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:29,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 1549 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-16 04:10:29,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-12-16 04:10:29,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 362. [2021-12-16 04:10:29,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 278 states have (on average 1.39568345323741) internal successors, (388), 279 states have internal predecessors, (388), 63 states have call successors, (63), 20 states have call predecessors, (63), 20 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2021-12-16 04:10:29,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 514 transitions. [2021-12-16 04:10:29,966 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 514 transitions. Word has length 86 [2021-12-16 04:10:29,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:29,966 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 514 transitions. [2021-12-16 04:10:29,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-16 04:10:29,978 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 514 transitions. [2021-12-16 04:10:29,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-16 04:10:29,980 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:29,981 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:10:29,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:10:29,981 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:29,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:29,982 INFO L85 PathProgramCache]: Analyzing trace with hash -983315798, now seen corresponding path program 1 times [2021-12-16 04:10:29,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:10:29,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356024526] [2021-12-16 04:10:29,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:29,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:10:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:10:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:10:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:10:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-16 04:10:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:10:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-16 04:10:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-12-16 04:10:30,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:10:30,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356024526] [2021-12-16 04:10:30,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356024526] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:30,185 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:10:30,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:10:30,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446139112] [2021-12-16 04:10:30,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:30,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:10:30,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:10:30,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:10:30,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:10:30,188 INFO L87 Difference]: Start difference. First operand 362 states and 514 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-16 04:10:30,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:30,643 INFO L93 Difference]: Finished difference Result 700 states and 1002 transitions. [2021-12-16 04:10:30,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:10:30,643 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 86 [2021-12-16 04:10:30,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:30,647 INFO L225 Difference]: With dead ends: 700 [2021-12-16 04:10:30,647 INFO L226 Difference]: Without dead ends: 692 [2021-12-16 04:10:30,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:10:30,648 INFO L933 BasicCegarLoop]: 579 mSDtfsCounter, 638 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 357 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 1389 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 357 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:30,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [684 Valid, 1389 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [357 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-16 04:10:30,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2021-12-16 04:10:30,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 675. [2021-12-16 04:10:30,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 526 states have (on average 1.4125475285171103) internal successors, (743), 529 states have internal predecessors, (743), 111 states have call successors, (111), 37 states have call predecessors, (111), 37 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2021-12-16 04:10:30,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 965 transitions. [2021-12-16 04:10:30,678 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 965 transitions. Word has length 86 [2021-12-16 04:10:30,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:30,679 INFO L470 AbstractCegarLoop]: Abstraction has 675 states and 965 transitions. [2021-12-16 04:10:30,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-16 04:10:30,679 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 965 transitions. [2021-12-16 04:10:30,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-12-16 04:10:30,687 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:30,688 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-16 04:10:30,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 04:10:30,688 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:30,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:30,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1802681606, now seen corresponding path program 1 times [2021-12-16 04:10:30,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:10:30,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736394619] [2021-12-16 04:10:30,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:30,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:10:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:10:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:10:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:10:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-16 04:10:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:10:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-16 04:10:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,896 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-12-16 04:10:30,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:10:30,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736394619] [2021-12-16 04:10:30,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736394619] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:30,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:10:30,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:10:30,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539566571] [2021-12-16 04:10:30,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:30,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:10:30,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:10:30,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:10:30,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:10:30,899 INFO L87 Difference]: Start difference. First operand 675 states and 965 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-16 04:10:31,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:31,305 INFO L93 Difference]: Finished difference Result 1488 states and 2121 transitions. [2021-12-16 04:10:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:10:31,305 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 110 [2021-12-16 04:10:31,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:31,309 INFO L225 Difference]: With dead ends: 1488 [2021-12-16 04:10:31,309 INFO L226 Difference]: Without dead ends: 833 [2021-12-16 04:10:31,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:10:31,311 INFO L933 BasicCegarLoop]: 523 mSDtfsCounter, 217 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 1572 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:31,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 1572 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-16 04:10:31,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2021-12-16 04:10:31,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 824. [2021-12-16 04:10:31,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 652 states have (on average 1.4125766871165644) internal successors, (921), 656 states have internal predecessors, (921), 124 states have call successors, (124), 47 states have call predecessors, (124), 47 states have return successors, (124), 122 states have call predecessors, (124), 124 states have call successors, (124) [2021-12-16 04:10:31,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1169 transitions. [2021-12-16 04:10:31,337 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1169 transitions. Word has length 110 [2021-12-16 04:10:31,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:31,338 INFO L470 AbstractCegarLoop]: Abstraction has 824 states and 1169 transitions. [2021-12-16 04:10:31,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-16 04:10:31,338 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1169 transitions. [2021-12-16 04:10:31,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-16 04:10:31,340 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:31,341 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:10:31,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 04:10:31,341 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:31,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:31,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1483219582, now seen corresponding path program 1 times [2021-12-16 04:10:31,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:10:31,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557427579] [2021-12-16 04:10:31,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:31,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:10:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:10:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:10:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:10:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-16 04:10:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:10:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-16 04:10:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-16 04:10:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-16 04:10:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-16 04:10:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:31,603 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2021-12-16 04:10:31,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:10:31,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557427579] [2021-12-16 04:10:31,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557427579] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:31,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:10:31,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:10:31,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218370526] [2021-12-16 04:10:31,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:31,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:10:31,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:10:31,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:10:31,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:10:31,610 INFO L87 Difference]: Start difference. First operand 824 states and 1169 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-16 04:10:31,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:31,889 INFO L93 Difference]: Finished difference Result 1632 states and 2319 transitions. [2021-12-16 04:10:31,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:10:31,889 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 171 [2021-12-16 04:10:31,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:31,893 INFO L225 Difference]: With dead ends: 1632 [2021-12-16 04:10:31,893 INFO L226 Difference]: Without dead ends: 828 [2021-12-16 04:10:31,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-16 04:10:31,895 INFO L933 BasicCegarLoop]: 492 mSDtfsCounter, 493 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:31,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [543 Valid, 1134 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 04:10:31,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2021-12-16 04:10:31,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 824. [2021-12-16 04:10:31,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 652 states have (on average 1.388036809815951) internal successors, (905), 656 states have internal predecessors, (905), 124 states have call successors, (124), 47 states have call predecessors, (124), 47 states have return successors, (124), 122 states have call predecessors, (124), 124 states have call successors, (124) [2021-12-16 04:10:31,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1153 transitions. [2021-12-16 04:10:31,916 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1153 transitions. Word has length 171 [2021-12-16 04:10:31,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:31,937 INFO L470 AbstractCegarLoop]: Abstraction has 824 states and 1153 transitions. [2021-12-16 04:10:31,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-16 04:10:31,937 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1153 transitions. [2021-12-16 04:10:31,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-16 04:10:31,939 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:31,940 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:10:31,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 04:10:31,940 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:31,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:31,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1271138360, now seen corresponding path program 1 times [2021-12-16 04:10:31,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:10:31,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579303088] [2021-12-16 04:10:31,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:31,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:10:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:10:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:10:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:10:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-16 04:10:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:10:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-16 04:10:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-16 04:10:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-16 04:10:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-16 04:10:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,169 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2021-12-16 04:10:32,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:10:32,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579303088] [2021-12-16 04:10:32,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579303088] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:32,169 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:10:32,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 04:10:32,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672162413] [2021-12-16 04:10:32,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:32,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 04:10:32,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:10:32,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 04:10:32,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:10:32,171 INFO L87 Difference]: Start difference. First operand 824 states and 1153 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-16 04:10:32,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:32,701 INFO L93 Difference]: Finished difference Result 2440 states and 3418 transitions. [2021-12-16 04:10:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 04:10:32,701 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 171 [2021-12-16 04:10:32,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:32,708 INFO L225 Difference]: With dead ends: 2440 [2021-12-16 04:10:32,708 INFO L226 Difference]: Without dead ends: 1636 [2021-12-16 04:10:32,710 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-12-16 04:10:32,710 INFO L933 BasicCegarLoop]: 924 mSDtfsCounter, 720 mSDsluCounter, 1730 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 2654 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 297 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:32,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [738 Valid, 2654 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [297 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-16 04:10:32,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2021-12-16 04:10:32,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1115. [2021-12-16 04:10:32,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 883 states have (on average 1.3986409966024915) internal successors, (1235), 888 states have internal predecessors, (1235), 166 states have call successors, (166), 65 states have call predecessors, (166), 65 states have return successors, (166), 163 states have call predecessors, (166), 166 states have call successors, (166) [2021-12-16 04:10:32,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1567 transitions. [2021-12-16 04:10:32,741 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1567 transitions. Word has length 171 [2021-12-16 04:10:32,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:32,741 INFO L470 AbstractCegarLoop]: Abstraction has 1115 states and 1567 transitions. [2021-12-16 04:10:32,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-16 04:10:32,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1567 transitions. [2021-12-16 04:10:32,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-16 04:10:32,744 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:32,744 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:10:32,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 04:10:32,744 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:32,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:32,745 INFO L85 PathProgramCache]: Analyzing trace with hash -8725318, now seen corresponding path program 1 times [2021-12-16 04:10:32,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:10:32,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169525872] [2021-12-16 04:10:32,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:32,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:10:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:10:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:10:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:10:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-16 04:10:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:10:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-16 04:10:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-16 04:10:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-16 04:10:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-16 04:10:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:32,972 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2021-12-16 04:10:32,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:10:32,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169525872] [2021-12-16 04:10:32,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169525872] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:32,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:10:32,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:10:32,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108785893] [2021-12-16 04:10:32,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:32,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:10:32,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:10:32,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:10:32,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:10:32,975 INFO L87 Difference]: Start difference. First operand 1115 states and 1567 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-16 04:10:33,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:33,239 INFO L93 Difference]: Finished difference Result 2115 states and 3011 transitions. [2021-12-16 04:10:33,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:10:33,239 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 171 [2021-12-16 04:10:33,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:33,243 INFO L225 Difference]: With dead ends: 2115 [2021-12-16 04:10:33,243 INFO L226 Difference]: Without dead ends: 936 [2021-12-16 04:10:33,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:10:33,246 INFO L933 BasicCegarLoop]: 571 mSDtfsCounter, 480 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 1066 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:33,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [529 Valid, 1066 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 04:10:33,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2021-12-16 04:10:33,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 926. [2021-12-16 04:10:33,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 736 states have (on average 1.4116847826086956) internal successors, (1039), 740 states have internal predecessors, (1039), 139 states have call successors, (139), 50 states have call predecessors, (139), 50 states have return successors, (139), 137 states have call predecessors, (139), 139 states have call successors, (139) [2021-12-16 04:10:33,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1317 transitions. [2021-12-16 04:10:33,274 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1317 transitions. Word has length 171 [2021-12-16 04:10:33,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:33,275 INFO L470 AbstractCegarLoop]: Abstraction has 926 states and 1317 transitions. [2021-12-16 04:10:33,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-16 04:10:33,275 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1317 transitions. [2021-12-16 04:10:33,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-12-16 04:10:33,278 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:33,278 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 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] [2021-12-16 04:10:33,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 04:10:33,278 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:33,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:33,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1471789036, now seen corresponding path program 1 times [2021-12-16 04:10:33,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:10:33,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975743347] [2021-12-16 04:10:33,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:33,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:10:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:10:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:10:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:10:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-16 04:10:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:10:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-16 04:10:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-16 04:10:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-16 04:10:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-16 04:10:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-16 04:10:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:33,581 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2021-12-16 04:10:33,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:10:33,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975743347] [2021-12-16 04:10:33,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975743347] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:33,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:10:33,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-16 04:10:33,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580987155] [2021-12-16 04:10:33,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:33,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-16 04:10:33,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:10:33,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-16 04:10:33,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-16 04:10:33,583 INFO L87 Difference]: Start difference. First operand 926 states and 1317 transitions. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 7 states have internal predecessors, (75), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-16 04:10:34,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:34,301 INFO L93 Difference]: Finished difference Result 1957 states and 2892 transitions. [2021-12-16 04:10:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 04:10:34,301 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 7 states have internal predecessors, (75), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 173 [2021-12-16 04:10:34,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:34,306 INFO L225 Difference]: With dead ends: 1957 [2021-12-16 04:10:34,307 INFO L226 Difference]: Without dead ends: 1602 [2021-12-16 04:10:34,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-12-16 04:10:34,309 INFO L933 BasicCegarLoop]: 773 mSDtfsCounter, 1537 mSDsluCounter, 3980 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 4753 SdHoareTripleChecker+Invalid, 1074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:34,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1537 Valid, 4753 Invalid, 1074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-16 04:10:34,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1602 states. [2021-12-16 04:10:34,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1602 to 936. [2021-12-16 04:10:34,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 746 states have (on average 1.406166219839142) internal successors, (1049), 750 states have internal predecessors, (1049), 139 states have call successors, (139), 50 states have call predecessors, (139), 50 states have return successors, (139), 137 states have call predecessors, (139), 139 states have call successors, (139) [2021-12-16 04:10:34,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1327 transitions. [2021-12-16 04:10:34,343 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1327 transitions. Word has length 173 [2021-12-16 04:10:34,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:34,344 INFO L470 AbstractCegarLoop]: Abstraction has 936 states and 1327 transitions. [2021-12-16 04:10:34,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 7 states have internal predecessors, (75), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-16 04:10:34,344 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1327 transitions. [2021-12-16 04:10:34,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-16 04:10:34,347 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:34,347 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 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] [2021-12-16 04:10:34,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 04:10:34,347 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:34,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:34,348 INFO L85 PathProgramCache]: Analyzing trace with hash 225870394, now seen corresponding path program 1 times [2021-12-16 04:10:34,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:10:34,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559656880] [2021-12-16 04:10:34,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:34,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:10:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:10:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:10:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:10:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-16 04:10:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:10:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-16 04:10:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-16 04:10:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-16 04:10:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-16 04:10:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-16 04:10:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-16 04:10:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 04:10:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-16 04:10:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:34,539 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-12-16 04:10:34,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:10:34,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559656880] [2021-12-16 04:10:34,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559656880] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:34,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:10:34,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-16 04:10:34,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132665550] [2021-12-16 04:10:34,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:34,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 04:10:34,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:10:34,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 04:10:34,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-16 04:10:34,541 INFO L87 Difference]: Start difference. First operand 936 states and 1327 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-12-16 04:10:35,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:35,086 INFO L93 Difference]: Finished difference Result 1895 states and 2735 transitions. [2021-12-16 04:10:35,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 04:10:35,087 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 180 [2021-12-16 04:10:35,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:35,091 INFO L225 Difference]: With dead ends: 1895 [2021-12-16 04:10:35,091 INFO L226 Difference]: Without dead ends: 1069 [2021-12-16 04:10:35,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2021-12-16 04:10:35,093 INFO L933 BasicCegarLoop]: 549 mSDtfsCounter, 494 mSDsluCounter, 1297 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 1846 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 377 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:35,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [518 Valid, 1846 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [377 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-16 04:10:35,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2021-12-16 04:10:35,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 1046. [2021-12-16 04:10:35,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1046 states, 874 states have (on average 1.3775743707093822) internal successors, (1204), 877 states have internal predecessors, (1204), 118 states have call successors, (118), 53 states have call predecessors, (118), 53 states have return successors, (118), 117 states have call predecessors, (118), 118 states have call successors, (118) [2021-12-16 04:10:35,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1440 transitions. [2021-12-16 04:10:35,124 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1440 transitions. Word has length 180 [2021-12-16 04:10:35,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:35,125 INFO L470 AbstractCegarLoop]: Abstraction has 1046 states and 1440 transitions. [2021-12-16 04:10:35,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-12-16 04:10:35,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1440 transitions. [2021-12-16 04:10:35,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-12-16 04:10:35,127 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:35,127 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 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] [2021-12-16 04:10:35,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 04:10:35,127 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:35,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:35,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1770188866, now seen corresponding path program 1 times [2021-12-16 04:10:35,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:10:35,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243086798] [2021-12-16 04:10:35,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:35,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:10:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:10:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:10:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:10:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-16 04:10:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:10:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-16 04:10:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-16 04:10:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-16 04:10:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-16 04:10:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:10:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-16 04:10:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,427 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2021-12-16 04:10:35,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:10:35,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243086798] [2021-12-16 04:10:35,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243086798] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 04:10:35,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594143564] [2021-12-16 04:10:35,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:35,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 04:10:35,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:10:35,430 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) [2021-12-16 04:10:35,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 04:10:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:35,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 2936 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 04:10:35,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 04:10:36,225 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-12-16 04:10:36,225 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 04:10:36,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594143564] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:36,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 04:10:36,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2021-12-16 04:10:36,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652033133] [2021-12-16 04:10:36,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:36,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:10:36,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:10:36,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:10:36,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:10:36,227 INFO L87 Difference]: Start difference. First operand 1046 states and 1440 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-16 04:10:36,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:36,306 INFO L93 Difference]: Finished difference Result 2146 states and 2953 transitions. [2021-12-16 04:10:36,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:10:36,307 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 179 [2021-12-16 04:10:36,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:36,310 INFO L225 Difference]: With dead ends: 2146 [2021-12-16 04:10:36,310 INFO L226 Difference]: Without dead ends: 1117 [2021-12-16 04:10:36,312 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-12-16 04:10:36,313 INFO L933 BasicCegarLoop]: 599 mSDtfsCounter, 96 mSDsluCounter, 1091 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 1690 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:36,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 1690 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 04:10:36,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2021-12-16 04:10:36,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1106. [2021-12-16 04:10:36,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1106 states, 925 states have (on average 1.3794594594594594) internal successors, (1276), 929 states have internal predecessors, (1276), 123 states have call successors, (123), 57 states have call predecessors, (123), 57 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2021-12-16 04:10:36,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1522 transitions. [2021-12-16 04:10:36,346 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1522 transitions. Word has length 179 [2021-12-16 04:10:36,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:36,346 INFO L470 AbstractCegarLoop]: Abstraction has 1106 states and 1522 transitions. [2021-12-16 04:10:36,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-16 04:10:36,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1522 transitions. [2021-12-16 04:10:36,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-16 04:10:36,349 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:36,349 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 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] [2021-12-16 04:10:36,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-16 04:10:36,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 04:10:36,560 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:36,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:36,560 INFO L85 PathProgramCache]: Analyzing trace with hash 586179371, now seen corresponding path program 1 times [2021-12-16 04:10:36,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:10:36,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022235009] [2021-12-16 04:10:36,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:36,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:10:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:10:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:10:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:10:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-16 04:10:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:10:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-16 04:10:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:10:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-16 04:10:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-16 04:10:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-16 04:10:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-16 04:10:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-16 04:10:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:36,860 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-12-16 04:10:36,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:10:36,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022235009] [2021-12-16 04:10:36,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022235009] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 04:10:36,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230285268] [2021-12-16 04:10:36,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:36,861 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 04:10:36,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:10:36,862 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 04:10:36,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-16 04:10:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:37,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 3091 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-16 04:10:37,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 04:10:37,640 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-12-16 04:10:37,640 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 04:10:37,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230285268] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:37,640 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 04:10:37,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2021-12-16 04:10:37,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537793206] [2021-12-16 04:10:37,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:37,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:10:37,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:10:37,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:10:37,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:10:37,642 INFO L87 Difference]: Start difference. First operand 1106 states and 1522 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-16 04:10:37,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:37,686 INFO L93 Difference]: Finished difference Result 2206 states and 3037 transitions. [2021-12-16 04:10:37,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 04:10:37,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 200 [2021-12-16 04:10:37,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:37,690 INFO L225 Difference]: With dead ends: 2206 [2021-12-16 04:10:37,690 INFO L226 Difference]: Without dead ends: 1107 [2021-12-16 04:10:37,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-12-16 04:10:37,693 INFO L933 BasicCegarLoop]: 502 mSDtfsCounter, 3 mSDsluCounter, 997 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1499 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:37,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 1499 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 04:10:37,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2021-12-16 04:10:37,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 1107. [2021-12-16 04:10:37,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1107 states, 926 states have (on average 1.3790496760259179) internal successors, (1277), 930 states have internal predecessors, (1277), 123 states have call successors, (123), 57 states have call predecessors, (123), 57 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2021-12-16 04:10:37,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1523 transitions. [2021-12-16 04:10:37,728 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1523 transitions. Word has length 200 [2021-12-16 04:10:37,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:37,729 INFO L470 AbstractCegarLoop]: Abstraction has 1107 states and 1523 transitions. [2021-12-16 04:10:37,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-16 04:10:37,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1523 transitions. [2021-12-16 04:10:37,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-12-16 04:10:37,731 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:37,732 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 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] [2021-12-16 04:10:37,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-16 04:10:37,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-16 04:10:37,937 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:37,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:37,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1693839950, now seen corresponding path program 1 times [2021-12-16 04:10:37,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:10:37,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349459335] [2021-12-16 04:10:37,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:37,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:10:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:10:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:10:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:10:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-16 04:10:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-16 04:10:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 04:10:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 04:10:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-16 04:10:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:10:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-16 04:10:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-16 04:10:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-16 04:10:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,207 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2021-12-16 04:10:38,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:10:38,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349459335] [2021-12-16 04:10:38,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349459335] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 04:10:38,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841279101] [2021-12-16 04:10:38,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:38,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 04:10:38,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:10:38,209 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 04:10:38,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-16 04:10:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:38,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 3136 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-16 04:10:38,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 04:10:38,999 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 196 proven. 1 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2021-12-16 04:10:38,999 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 04:10:39,338 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2021-12-16 04:10:39,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841279101] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 04:10:39,338 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 04:10:39,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2021-12-16 04:10:39,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372104046] [2021-12-16 04:10:39,339 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 04:10:39,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-16 04:10:39,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:10:39,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-16 04:10:39,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-12-16 04:10:39,340 INFO L87 Difference]: Start difference. First operand 1107 states and 1523 transitions. Second operand has 13 states, 13 states have (on average 8.538461538461538) internal successors, (111), 10 states have internal predecessors, (111), 2 states have call successors, (35), 5 states have call predecessors, (35), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-16 04:10:39,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:39,881 INFO L93 Difference]: Finished difference Result 2213 states and 3048 transitions. [2021-12-16 04:10:39,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-16 04:10:39,882 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.538461538461538) internal successors, (111), 10 states have internal predecessors, (111), 2 states have call successors, (35), 5 states have call predecessors, (35), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 203 [2021-12-16 04:10:39,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:39,886 INFO L225 Difference]: With dead ends: 2213 [2021-12-16 04:10:39,886 INFO L226 Difference]: Without dead ends: 1110 [2021-12-16 04:10:39,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 449 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2021-12-16 04:10:39,888 INFO L933 BasicCegarLoop]: 495 mSDtfsCounter, 85 mSDsluCounter, 3706 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 4201 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:39,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 4201 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-16 04:10:39,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2021-12-16 04:10:39,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1110. [2021-12-16 04:10:39,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 929 states have (on average 1.3778256189451024) internal successors, (1280), 933 states have internal predecessors, (1280), 123 states have call successors, (123), 57 states have call predecessors, (123), 57 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2021-12-16 04:10:39,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1526 transitions. [2021-12-16 04:10:39,919 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1526 transitions. Word has length 203 [2021-12-16 04:10:39,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:39,920 INFO L470 AbstractCegarLoop]: Abstraction has 1110 states and 1526 transitions. [2021-12-16 04:10:39,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.538461538461538) internal successors, (111), 10 states have internal predecessors, (111), 2 states have call successors, (35), 5 states have call predecessors, (35), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-16 04:10:39,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1526 transitions. [2021-12-16 04:10:39,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-12-16 04:10:39,922 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:39,922 INFO L514 BasicCegarLoop]: trace histogram [12, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 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] [2021-12-16 04:10:39,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-16 04:10:40,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 04:10:40,135 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:40,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:40,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1988960661, now seen corresponding path program 2 times [2021-12-16 04:10:40,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:10:40,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494048291] [2021-12-16 04:10:40,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:40,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:10:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:10:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:10:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:10:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-16 04:10:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-16 04:10:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 04:10:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-16 04:10:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-16 04:10:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-16 04:10:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-16 04:10:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:10:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-16 04:10:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:40,594 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-12-16 04:10:40,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:10:40,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494048291] [2021-12-16 04:10:40,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494048291] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:40,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:10:40,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-16 04:10:40,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628801898] [2021-12-16 04:10:40,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:40,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-16 04:10:40,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:10:40,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-16 04:10:40,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-12-16 04:10:40,597 INFO L87 Difference]: Start difference. First operand 1110 states and 1526 transitions. Second operand has 14 states, 14 states have (on average 5.928571428571429) internal successors, (83), 11 states have internal predecessors, (83), 3 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-16 04:10:41,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:41,783 INFO L93 Difference]: Finished difference Result 2790 states and 4012 transitions. [2021-12-16 04:10:41,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-16 04:10:41,784 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.928571428571429) internal successors, (83), 11 states have internal predecessors, (83), 3 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 212 [2021-12-16 04:10:41,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:41,791 INFO L225 Difference]: With dead ends: 2790 [2021-12-16 04:10:41,791 INFO L226 Difference]: Without dead ends: 2331 [2021-12-16 04:10:41,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=531, Unknown=0, NotChecked=0, Total=702 [2021-12-16 04:10:41,793 INFO L933 BasicCegarLoop]: 1318 mSDtfsCounter, 2815 mSDsluCounter, 5786 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 1166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2815 SdHoareTripleChecker+Valid, 7104 SdHoareTripleChecker+Invalid, 1939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1166 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:41,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2815 Valid, 7104 Invalid, 1939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1166 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-16 04:10:41,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2331 states. [2021-12-16 04:10:41,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2331 to 1113. [2021-12-16 04:10:41,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1113 states, 932 states have (on average 1.3766094420600858) internal successors, (1283), 936 states have internal predecessors, (1283), 123 states have call successors, (123), 57 states have call predecessors, (123), 57 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2021-12-16 04:10:41,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1529 transitions. [2021-12-16 04:10:41,837 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1529 transitions. Word has length 212 [2021-12-16 04:10:41,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:41,838 INFO L470 AbstractCegarLoop]: Abstraction has 1113 states and 1529 transitions. [2021-12-16 04:10:41,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.928571428571429) internal successors, (83), 11 states have internal predecessors, (83), 3 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-16 04:10:41,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1529 transitions. [2021-12-16 04:10:41,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-12-16 04:10:41,841 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:41,841 INFO L514 BasicCegarLoop]: trace histogram [12, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 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] [2021-12-16 04:10:41,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-16 04:10:41,841 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:41,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:41,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1513661749, now seen corresponding path program 1 times [2021-12-16 04:10:41,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:10:41,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743008671] [2021-12-16 04:10:41,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:41,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:10:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:10:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:10:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:10:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-16 04:10:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-16 04:10:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 04:10:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-16 04:10:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-16 04:10:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-16 04:10:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-16 04:10:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:10:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 04:10:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,131 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-12-16 04:10:42,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:10:42,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743008671] [2021-12-16 04:10:42,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743008671] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 04:10:42,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991495962] [2021-12-16 04:10:42,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:42,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 04:10:42,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:10:42,133 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 04:10:42,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-16 04:10:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 3341 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 04:10:42,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 04:10:42,969 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-12-16 04:10:42,970 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 04:10:42,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991495962] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:42,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 04:10:42,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2021-12-16 04:10:42,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959732800] [2021-12-16 04:10:42,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:42,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:10:42,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:10:42,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:10:42,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-16 04:10:42,980 INFO L87 Difference]: Start difference. First operand 1113 states and 1529 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-16 04:10:43,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:43,161 INFO L93 Difference]: Finished difference Result 2603 states and 3556 transitions. [2021-12-16 04:10:43,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:10:43,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 220 [2021-12-16 04:10:43,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:43,167 INFO L225 Difference]: With dead ends: 2603 [2021-12-16 04:10:43,167 INFO L226 Difference]: Without dead ends: 1664 [2021-12-16 04:10:43,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-12-16 04:10:43,169 INFO L933 BasicCegarLoop]: 884 mSDtfsCounter, 587 mSDsluCounter, 1823 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 2707 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:43,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [609 Valid, 2707 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 04:10:43,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2021-12-16 04:10:43,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1119. [2021-12-16 04:10:43,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 936 states have (on average 1.3771367521367521) internal successors, (1289), 940 states have internal predecessors, (1289), 125 states have call successors, (125), 57 states have call predecessors, (125), 57 states have return successors, (125), 123 states have call predecessors, (125), 125 states have call successors, (125) [2021-12-16 04:10:43,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1539 transitions. [2021-12-16 04:10:43,227 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1539 transitions. Word has length 220 [2021-12-16 04:10:43,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:43,227 INFO L470 AbstractCegarLoop]: Abstraction has 1119 states and 1539 transitions. [2021-12-16 04:10:43,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-16 04:10:43,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1539 transitions. [2021-12-16 04:10:43,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-12-16 04:10:43,230 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:43,230 INFO L514 BasicCegarLoop]: trace histogram [12, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 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] [2021-12-16 04:10:43,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-16 04:10:43,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 04:10:43,452 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:43,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:43,452 INFO L85 PathProgramCache]: Analyzing trace with hash -74686153, now seen corresponding path program 1 times [2021-12-16 04:10:43,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:10:43,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834382431] [2021-12-16 04:10:43,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:43,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:10:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 04:10:43,676 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 04:10:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 04:10:44,169 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 04:10:44,169 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-16 04:10:44,170 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 04:10:44,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-16 04:10:44,173 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:10:44,175 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 04:10:44,247 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,248 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,248 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,248 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,248 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,249 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,249 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,249 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,249 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,249 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,249 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,249 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,250 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-16 04:10:44,250 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,250 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-16 04:10:44,250 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,250 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-16 04:10:44,250 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,250 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-16 04:10:44,251 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,251 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,251 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,251 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,251 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,252 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,252 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,252 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,252 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,253 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,253 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,253 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,253 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,254 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-16 04:10:44,254 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,254 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-16 04:10:44,254 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,254 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-16 04:10:44,254 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,254 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-16 04:10:44,255 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,255 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,255 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,255 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,255 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,255 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,256 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,256 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,256 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,256 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,256 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,256 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,257 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,257 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-16 04:10:44,257 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,257 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-16 04:10:44,257 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,257 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-16 04:10:44,257 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,258 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-16 04:10:44,258 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-16 04:10:44,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 04:10:44 BoogieIcfgContainer [2021-12-16 04:10:44,412 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 04:10:44,413 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 04:10:44,413 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 04:10:44,413 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 04:10:44,413 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:10:28" (3/4) ... [2021-12-16 04:10:44,415 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-16 04:10:44,415 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 04:10:44,416 INFO L158 Benchmark]: Toolchain (without parser) took 17825.38ms. Allocated memory was 77.6MB in the beginning and 446.7MB in the end (delta: 369.1MB). Free memory was 51.5MB in the beginning and 324.3MB in the end (delta: -272.8MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. [2021-12-16 04:10:44,416 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 77.6MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 04:10:44,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 790.59ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 51.3MB in the beginning and 56.2MB in the end (delta: -4.8MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2021-12-16 04:10:44,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.87ms. Allocated memory is still 94.4MB. Free memory was 56.2MB in the beginning and 44.1MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-16 04:10:44,417 INFO L158 Benchmark]: Boogie Preprocessor took 106.89ms. Allocated memory is still 94.4MB. Free memory was 44.1MB in the beginning and 33.2MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-16 04:10:44,417 INFO L158 Benchmark]: RCFGBuilder took 1157.93ms. Allocated memory was 94.4MB in the beginning and 165.7MB in the end (delta: 71.3MB). Free memory was 33.2MB in the beginning and 110.9MB in the end (delta: -77.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2021-12-16 04:10:44,417 INFO L158 Benchmark]: TraceAbstraction took 15658.30ms. Allocated memory was 165.7MB in the beginning and 446.7MB in the end (delta: 281.0MB). Free memory was 109.9MB in the beginning and 324.3MB in the end (delta: -214.4MB). Peak memory consumption was 259.5MB. Max. memory is 16.1GB. [2021-12-16 04:10:44,418 INFO L158 Benchmark]: Witness Printer took 2.64ms. Allocated memory is still 446.7MB. Free memory is still 324.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 04:10:44,419 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 77.6MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 790.59ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 51.3MB in the beginning and 56.2MB in the end (delta: -4.8MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.87ms. Allocated memory is still 94.4MB. Free memory was 56.2MB in the beginning and 44.1MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.89ms. Allocated memory is still 94.4MB. Free memory was 44.1MB in the beginning and 33.2MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1157.93ms. Allocated memory was 94.4MB in the beginning and 165.7MB in the end (delta: 71.3MB). Free memory was 33.2MB in the beginning and 110.9MB in the end (delta: -77.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * TraceAbstraction took 15658.30ms. Allocated memory was 165.7MB in the beginning and 446.7MB in the end (delta: 281.0MB). Free memory was 109.9MB in the beginning and 324.3MB in the end (delta: -214.4MB). Peak memory consumption was 259.5MB. Max. memory is 16.1GB. * Witness Printer took 2.64ms. Allocated memory is still 446.7MB. Free memory is still 324.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 4446]: 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 3511, overapproximation of bitwiseOr at line 3426. Possible FailurePath: [L3431] int LDV_IN_INTERRUPT = 1; [L3432] int ldv_state_variable_2 ; [L3433] int ref_cnt ; [L3434] struct usb_serial *qcdevice_group1 ; [L3435] int ldv_state_variable_1 ; [L3436] struct usb_interface *qcdriver_group1 ; [L3437] int usb_counter ; [L3438] struct usb_serial_port *qcdevice_group0 ; [L3439] struct tty_struct *qcdevice_group2 ; [L3440] int ldv_state_variable_0 ; [L3556] static int debug ; [L3557-L3730] static struct usb_device_id const id_table[59U] = { {3U, 1478U, 37393U, (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}, {3U, 1478U, 37394U, (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}, {3U, 1008U, 7965U, (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}, {3U, 1008U, 8221U, (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}, {3U, 1242U, 9485U, (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}, {3U, 1242U, 9484U, (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}, {3U, 16700U, 33138U, (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}, {3U, 16700U, 33137U, (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}, {3U, 5136U, 40961U, (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}, {3U, 5136U, 40968U, (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}, {3U, 2821U, 6006U, (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}, {3U, 2821U, 6004U, (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}, {3U, 6610U, 65523U, (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}, {3U, 6610U, 65522U, (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}, {3U, 5463U, 2688U, (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}, {3U, 1478U, 36865U, (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}, {3U, 1478U, 36866U, (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}, {3U, 1478U, 37378U, (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}, {3U, 1478U, 37379U, (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}, {3U, 1478U, 37410U, (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}, {3U, 1478U, 36872U, (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}, {3U, 1478U, 37377U, (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}, {3U, 1478U, 37409U, (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}, {3U, 1478U, 37425U, (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}, {3U, 8005U, 1U, (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}, {3U, 16700U, 33157U, (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}, {3U, 16700U, 33158U, (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}, {3U, 1478U, 37384U, (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}, {3U, 1478U, 37387U, (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}, {3U, 1478U, 37412U, (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}, {3U, 1478U, 37413U, (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}, {3U, 1478U, 37444U, (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}, {3U, 1478U, 37445U, (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}, {3U, 1008U, 9245U, (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}, {3U, 1008U, 9501U, (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}, {3U, 1478U, 37396U, (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}, {3U, 1478U, 37397U, (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}, {3U, 1478U, 37476U, (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}, {3U, 1478U, 37477U, (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}, {3U, 1478U, 37428U, (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}, {3U, 1478U, 37429U, (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}, {3U, 1478U, 37492U, (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}, {3U, 1478U, 37493U, (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}, {3U, 4505U, 36864U, (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}, {3U, 4505U, 36865U, (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}, {3U, 4505U, 36866U, (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}, {3U, 4505U, 36867U, (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}, {3U, 4505U, 36868U, (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}, {3U, 4505U, 36869U, (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}, {3U, 4505U, 36870U, (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}, {3U, 4505U, 36871U, (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}, {3U, 4505U, 36872U, (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}, {3U, 4505U, 36873U, (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}, {3U, 4505U, 36874U, (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}, {3U, 5848U, 32769U, (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}, {3U, 5848U, 32770U, (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}, {3U, 1478U, 37380U, (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}, {3U, 1478U, 37381U, (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}}; [L3731] struct usb_device_id const __mod_usb_device_table ; [L3732-L3746] static struct usb_driver qcdriver = {"qcserial", & usb_serial_probe, & usb_serial_disconnect, 0, & usb_serial_suspend, & usb_serial_resume, 0, 0, 0, (struct usb_device_id const *)(& id_table), {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, 1U, (unsigned char)0}; [L3902-L3908] static struct usb_serial_driver qcdevice = {"Qualcomm USB modem", (struct usb_device_id const *)(& id_table), 1, {0, 0}, {"qcserial", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, & qcdriver, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, 0UL, 0UL, & qcprobe, & usb_wwan_startup, 0, & usb_wwan_disconnect, & qc_release, 0, 0, & usb_wwan_suspend, & usb_wwan_resume, & usb_wwan_open, & usb_wwan_close, & usb_wwan_write, & usb_wwan_write_room, 0, 0, 0, & usb_wwan_chars_in_buffer, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L3936] int ldv_retval_2 ; [L3937] int ldv_retval_5 ; [L3938] int ldv_retval_0 ; [L3939] int ldv_retval_4 ; [L3940] int ldv_retval_6 ; [L3942] int ldv_retval_1 ; [L3944] int ldv_retval_8 ; [L3945] int ldv_retval_3 ; [L3946] int ldv_retval_7 ; [L4449] int ldv_alloc_count = 0; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3973] struct usb_device_id *ldvarg1 ; [L3974] void *tmp ; [L3975] unsigned char *ldvarg3 ; [L3976] void *tmp___0 ; [L3977] pm_message_t ldvarg0 ; [L3978] int ldvarg2 ; [L3979] pm_message_t ldvarg4 ; [L3980] struct usb_device_id *ldvarg5 ; [L3981] void *tmp___1 ; [L3982] int tmp___2 ; [L3983] int tmp___3 ; [L3984] int tmp___4 ; [L3985] int tmp___5 ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={43:0}, ldvarg2={44:0}, ldvarg4={45:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3987] CALL, EXPR ldv_init_zalloc(24UL) VAL [\old(size)=24, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3340] void *p ; [L3341] void *tmp ; [L3343] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=24, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-18446744073709551617:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, usb_counter=0] [L3343] tmp = calloc(1UL, size) [L3344] p = tmp VAL [\old(size)=24, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-18446744073709551617:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-18446744073709551617:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp={-18446744073709551617:0}, usb_counter=0] [L3345] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3302] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, cond=1, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3345] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=24, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-18446744073709551617:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-18446744073709551617:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp={-18446744073709551617:0}, usb_counter=0] [L3346] return (p); VAL [\old(size)=24, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-18446744073709551617:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-18446744073709551617:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp={-18446744073709551617:0}, usb_counter=0] [L3987] RET, EXPR ldv_init_zalloc(24UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(24UL)={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={43:0}, ldvarg2={44:0}, ldvarg4={45:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3987] tmp = ldv_init_zalloc(24UL) [L3988] ldvarg1 = (struct usb_device_id *)tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={43:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={44:0}, ldvarg4={45:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, usb_counter=0] [L3989] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3340] void *p ; [L3341] void *tmp ; [L3343] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-73786976294838206465:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1, usb_counter=0] [L3343] tmp = calloc(1UL, size) [L3344] p = tmp VAL [\old(size)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-73786976294838206465:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-73786976294838206465:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1, tmp={-73786976294838206465:0}, usb_counter=0] [L3345] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3302] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, cond=1, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3345] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-73786976294838206465:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-73786976294838206465:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1, tmp={-73786976294838206465:0}, usb_counter=0] [L3346] return (p); VAL [\old(size)=1, \result={-73786976294838206465:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-73786976294838206465:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-73786976294838206465:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1, tmp={-73786976294838206465:0}, usb_counter=0] [L3989] RET, EXPR ldv_init_zalloc(1UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={-73786976294838206465:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={43:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={44:0}, ldvarg4={45:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, usb_counter=0] [L3989] tmp___0 = ldv_init_zalloc(1UL) [L3990] ldvarg3 = (unsigned char *)tmp___0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={43:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={44:0}, ldvarg3={-73786976294838206465:0}, ldvarg4={45:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-73786976294838206465:0}, usb_counter=0] [L3991] CALL, EXPR ldv_init_zalloc(24UL) VAL [\old(size)=24, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3340] void *p ; [L3341] void *tmp ; [L3343] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=24, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-92233720368547758081:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, usb_counter=0] [L3343] tmp = calloc(1UL, size) [L3344] p = tmp VAL [\old(size)=24, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-92233720368547758081:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-92233720368547758081:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp={-92233720368547758081:0}, usb_counter=0] [L3345] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3302] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, cond=1, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3345] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=24, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-92233720368547758081:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-92233720368547758081:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp={-92233720368547758081:0}, usb_counter=0] [L3346] return (p); VAL [\old(size)=24, \result={-92233720368547758081:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-92233720368547758081:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-92233720368547758081:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp={-92233720368547758081:0}, usb_counter=0] [L3991] RET, EXPR ldv_init_zalloc(24UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(24UL)={-92233720368547758081:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={43:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={44:0}, ldvarg3={-73786976294838206465:0}, ldvarg4={45:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-73786976294838206465:0}, usb_counter=0] [L3991] tmp___1 = ldv_init_zalloc(24UL) [L3992] ldvarg5 = (struct usb_device_id *)tmp___1 [L3993] FCALL ldv_initialize() [L3994] CALL ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3351] void *tmp ; [L3353] EXPR, FCALL memset(s, c, n) [L3353] tmp = memset(s, c, n) [L3354] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={43:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, c=0, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, n=4, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, s={43:0}, s={43:0}, tmp={43:0}, usb_counter=0] [L3994] RET ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg0), 0, 4UL)={43:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={43:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={44:0}, ldvarg3={-73786976294838206465:0}, ldvarg4={45:0}, ldvarg5={-92233720368547758081:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-73786976294838206465:0}, tmp___1={-92233720368547758081:0}, usb_counter=0] [L3995] CALL ldv_memset((void *)(& ldvarg2), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3351] void *tmp ; [L3353] EXPR, FCALL memset(s, c, n) [L3353] tmp = memset(s, c, n) [L3354] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={44:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, c=0, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, n=4, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, s={44:0}, s={44:0}, tmp={44:0}, usb_counter=0] [L3995] RET ldv_memset((void *)(& ldvarg2), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg2), 0, 4UL)={44:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={43:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={44:0}, ldvarg3={-73786976294838206465:0}, ldvarg4={45:0}, ldvarg5={-92233720368547758081:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-73786976294838206465:0}, tmp___1={-92233720368547758081:0}, usb_counter=0] [L3996] CALL ldv_memset((void *)(& ldvarg4), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3351] void *tmp ; [L3353] EXPR, FCALL memset(s, c, n) [L3353] tmp = memset(s, c, n) [L3354] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={45:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, c=0, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, n=4, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, s={45:0}, s={45:0}, tmp={45:0}, usb_counter=0] [L3996] RET ldv_memset((void *)(& ldvarg4), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg4), 0, 4UL)={45:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={43:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={44:0}, ldvarg3={-73786976294838206465:0}, ldvarg4={45:0}, ldvarg5={-92233720368547758081:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-73786976294838206465:0}, tmp___1={-92233720368547758081:0}, usb_counter=0] [L3997] ldv_state_variable_1 = 0 [L3998] ref_cnt = 0 [L3999] ldv_state_variable_0 = 1 [L4000] ldv_state_variable_2 = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={43:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={44:0}, ldvarg3={-73786976294838206465:0}, ldvarg4={45:0}, ldvarg5={-92233720368547758081:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-73786976294838206465:0}, tmp___1={-92233720368547758081:0}, usb_counter=0] [L4002] tmp___2 = __VERIFIER_nondet_int() [L4004] case 0: [L4210] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={43:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={44:0}, ldvarg3={-73786976294838206465:0}, ldvarg4={45:0}, ldvarg5={-92233720368547758081:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-73786976294838206465:0}, tmp___1={-92233720368547758081:0}, tmp___2=1, usb_counter=0] [L4211] COND TRUE ldv_state_variable_0 != 0 [L4212] tmp___4 = __VERIFIER_nondet_int() [L4214] case 0: [L4222] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={43:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={44:0}, ldvarg3={-73786976294838206465:0}, ldvarg4={45:0}, ldvarg5={-92233720368547758081:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-73786976294838206465:0}, tmp___1={-92233720368547758081:0}, tmp___2=1, tmp___4=1, usb_counter=0] [L4223] COND TRUE ldv_state_variable_0 == 1 [L4224] CALL, EXPR qcinit() [L3911] int retval ; [L3913] CALL, EXPR usb_serial_register(& qcdevice) [L4514] return __VERIFIER_nondet_int(); [L3913] RET, EXPR usb_serial_register(& qcdevice) [L3913] retval = usb_serial_register(& qcdevice) [L3914] COND FALSE !(retval != 0) [L3918] CALL, EXPR usb_register(& qcdriver) [L3509] int tmp ; [L3511] CALL, EXPR ldv_usb_register_driver_2(driver, & __this_module, "qcserial") [L4335] ldv_func_ret_type ldv_func_res ; [L4336] int tmp ; [L4338] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4500] return __VERIFIER_nondet_int(); [L4338] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4338] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4339] ldv_func_res = tmp [L4340] ldv_state_variable_2 = 1 [L4341] usb_counter = 0 [L4342] CALL ldv_usb_driver_2() [L3964] void *tmp ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3966] CALL, EXPR ldv_init_zalloc(1232UL) VAL [\old(size)=1232, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3340] void *p ; [L3341] void *tmp ; [L3343] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1232, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-110680464442257309697:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1232, usb_counter=0] [L3343] tmp = calloc(1UL, size) [L3344] p = tmp VAL [\old(size)=1232, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-110680464442257309697:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, p={-110680464442257309697:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1232, tmp={-110680464442257309697:0}, usb_counter=0] [L3345] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3302] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, cond=1, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3345] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1232, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-110680464442257309697:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, p={-110680464442257309697:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1232, tmp={-110680464442257309697:0}, usb_counter=0] [L3346] return (p); VAL [\old(size)=1232, \result={-110680464442257309697:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-110680464442257309697:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, p={-110680464442257309697:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1232, tmp={-110680464442257309697:0}, usb_counter=0] [L3966] RET, EXPR ldv_init_zalloc(1232UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1232UL)={-110680464442257309697:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3966] tmp = ldv_init_zalloc(1232UL) [L3967] qcdriver_group1 = (struct usb_interface *)tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, tmp={-110680464442257309697:0}, usb_counter=0] [L4342] RET ldv_usb_driver_2() [L4343] return (ldv_func_res); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, ldv_func_arg1={32:0}, ldv_func_arg1={32:0}, ldv_func_arg2={65524:65527}, ldv_func_arg2={65524:65527}, ldv_func_arg3={3:0}, ldv_func_arg3={3:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, tmp=0, usb_counter=0] [L3511] RET, EXPR ldv_usb_register_driver_2(driver, & __this_module, "qcserial") [L3511] tmp = ldv_usb_register_driver_2(driver, & __this_module, "qcserial") [L3512] return (tmp); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, driver={32:0}, driver={32:0}, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, tmp=0, usb_counter=0] [L3918] RET, EXPR usb_register(& qcdriver) [L3918] retval = usb_register(& qcdriver) [L3919] COND FALSE !(retval != 0) [L3924] return (0); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, retval=0, usb_counter=0] [L4224] RET, EXPR qcinit() [L4224] ldv_retval_5 = qcinit() [L4225] COND FALSE !(ldv_retval_5 != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldvarg0={43:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={44:0}, ldvarg3={-73786976294838206465:0}, ldvarg4={45:0}, ldvarg5={-92233720368547758081:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-73786976294838206465:0}, tmp___1={-92233720368547758081:0}, tmp___2=1, tmp___4=1, usb_counter=0] [L4230] COND TRUE ldv_retval_5 == 0 [L4231] ldv_state_variable_0 = 2 [L4232] ldv_state_variable_1 = 1 [L4233] CALL ldv_initialize_usb_serial_driver_1() [L3949] void *tmp ; [L3950] void *tmp___0 ; [L3951] void *tmp___1 ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, usb_counter=0] [L3953] CALL, EXPR ldv_init_zalloc(2304UL) VAL [\old(size)=2304, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, usb_counter=0] [L3340] void *p ; [L3341] void *tmp ; [L3343] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=2304, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-36893488147419103233:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, size=2304, usb_counter=0] [L3343] tmp = calloc(1UL, size) [L3344] p = tmp VAL [\old(size)=2304, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-36893488147419103233:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-36893488147419103233:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, size=2304, tmp={-36893488147419103233:0}, usb_counter=0] [L3345] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, usb_counter=0] [L3302] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, cond=1, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, usb_counter=0] [L3345] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2304, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-36893488147419103233:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-36893488147419103233:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, size=2304, tmp={-36893488147419103233:0}, usb_counter=0] [L3346] return (p); VAL [\old(size)=2304, \result={-36893488147419103233:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-36893488147419103233:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-36893488147419103233:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, size=2304, tmp={-36893488147419103233:0}, usb_counter=0] [L3953] RET, EXPR ldv_init_zalloc(2304UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2304UL)={-36893488147419103233:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, usb_counter=0] [L3953] tmp = ldv_init_zalloc(2304UL) [L3954] qcdevice_group0 = (struct usb_serial_port *)tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, tmp={-36893488147419103233:0}, usb_counter=0] [L3955] CALL, EXPR ldv_init_zalloc(280UL) VAL [\old(size)=280, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, usb_counter=0] [L3340] void *p ; [L3341] void *tmp ; [L3343] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=280, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-129127208515966861313:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, size=280, usb_counter=0] [L3343] tmp = calloc(1UL, size) [L3344] p = tmp VAL [\old(size)=280, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-129127208515966861313:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-129127208515966861313:0}, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, size=280, tmp={-129127208515966861313:0}, usb_counter=0] [L3345] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, usb_counter=0] [L3302] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, cond=1, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, usb_counter=0] [L3345] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=280, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-129127208515966861313:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-129127208515966861313:0}, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, size=280, tmp={-129127208515966861313:0}, usb_counter=0] [L3346] return (p); VAL [\old(size)=280, \result={-129127208515966861313:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-129127208515966861313:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-129127208515966861313:0}, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, size=280, tmp={-129127208515966861313:0}, usb_counter=0] [L3955] RET, EXPR ldv_init_zalloc(280UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(280UL)={-129127208515966861313:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, tmp={-36893488147419103233:0}, usb_counter=0] [L3955] tmp___0 = ldv_init_zalloc(280UL) [L3956] qcdevice_group1 = (struct usb_serial *)tmp___0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, tmp={-36893488147419103233:0}, tmp___0={-129127208515966861313:0}, usb_counter=0] [L3957] CALL, EXPR ldv_init_zalloc(2696UL) VAL [\old(size)=2696, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, usb_counter=0] [L3340] void *p ; [L3341] void *tmp ; [L3343] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=2696, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-55340232221128654849:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, size=2696, usb_counter=0] [L3343] tmp = calloc(1UL, size) [L3344] p = tmp VAL [\old(size)=2696, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-55340232221128654849:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-55340232221128654849:0}, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, size=2696, tmp={-55340232221128654849:0}, usb_counter=0] [L3345] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, usb_counter=0] [L3302] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, cond=1, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, usb_counter=0] [L3345] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2696, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-55340232221128654849:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-55340232221128654849:0}, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, size=2696, tmp={-55340232221128654849:0}, usb_counter=0] [L3346] return (p); VAL [\old(size)=2696, \result={-55340232221128654849:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, calloc(1UL, size)={-55340232221128654849:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-55340232221128654849:0}, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, size=2696, tmp={-55340232221128654849:0}, usb_counter=0] [L3957] RET, EXPR ldv_init_zalloc(2696UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2696UL)={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, tmp={-36893488147419103233:0}, tmp___0={-129127208515966861313:0}, usb_counter=0] [L3957] tmp___1 = ldv_init_zalloc(2696UL) [L3958] qcdevice_group2 = (struct tty_struct *)tmp___1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, tmp={-36893488147419103233:0}, tmp___0={-129127208515966861313:0}, tmp___1={-55340232221128654849:0}, usb_counter=0] [L4233] RET ldv_initialize_usb_serial_driver_1() [L4002] tmp___2 = __VERIFIER_nondet_int() [L4004] case 0: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={43:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={44:0}, ldvarg3={-73786976294838206465:0}, ldvarg4={45:0}, ldvarg5={-92233720368547758081:0}, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-73786976294838206465:0}, tmp___1={-92233720368547758081:0}, tmp___2=0, tmp___4=1, usb_counter=0] [L4005] COND TRUE ldv_state_variable_1 != 0 [L4006] tmp___3 = __VERIFIER_nondet_int() [L4008] case 0: [L4022] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={43:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={44:0}, ldvarg3={-73786976294838206465:0}, ldvarg4={45:0}, ldvarg5={-92233720368547758081:0}, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-73786976294838206465:0}, tmp___1={-92233720368547758081:0}, tmp___2=0, tmp___3=1, tmp___4=1, usb_counter=0] [L4023] COND TRUE ldv_state_variable_1 == 1 [L4024] CALL, EXPR qcprobe(qcdevice_group1, (struct usb_device_id const *)ldvarg1) [L3749] struct usb_wwan_intf_private *data ; [L3750] struct usb_host_interface *intf ; [L3751] int retval ; [L3752] __u8 nintf ; [L3753] __u8 ifnum ; [L3754] void *tmp ; [L3755] struct lock_class_key __key ; [L3756] int tmp___0 ; [L3757] int tmp___1 ; [L3759] EXPR serial->interface [L3759] EXPR (serial->interface)->cur_altsetting [L3759] intf = (serial->interface)->cur_altsetting [L3760] retval = -19 VAL [__key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id={-18446744073709551617:0}, id={-18446744073709551617:0}, id_table={31:0}, intf={65528:-6}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, retval=-19, serial={-129127208515966861313:0}, serial={-129127208515966861313:0}, usb_counter=0] [L3761] COND FALSE !(debug != 0) VAL [__key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id={-18446744073709551617:0}, id={-18446744073709551617:0}, id_table={31:0}, intf={65528:-6}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, retval=-19, serial={-129127208515966861313:0}, serial={-129127208515966861313:0}, usb_counter=0] [L3766] EXPR serial->dev [L3766] EXPR (serial->dev)->actconfig [L3766] EXPR ((serial->dev)->actconfig)->desc.bNumInterfaces [L3766] nintf = ((serial->dev)->actconfig)->desc.bNumInterfaces [L3767] COND FALSE !(debug != 0) VAL [__key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id={-18446744073709551617:0}, id={-18446744073709551617:0}, id_table={31:0}, intf={65528:-6}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, retval=-19, serial={-129127208515966861313:0}, serial={-129127208515966861313:0}, usb_counter=0] [L3772] EXPR intf->desc.bInterfaceNumber [L3772] ifnum = intf->desc.bInterfaceNumber [L3773] COND FALSE !(debug != 0) VAL [__key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id={-18446744073709551617:0}, id={-18446744073709551617:0}, id_table={31:0}, ifnum=249, intf={65528:-6}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, retval=-19, serial={-129127208515966861313:0}, serial={-129127208515966861313:0}, usb_counter=0] [L3778] CALL, EXPR kzalloc(96UL, 208U) [L4322] void *res ; [L4324] CALL, EXPR ldv_kzalloc_1(size, flags) [L3424] void *tmp ; [L3426] CALL, EXPR kmalloc(size, flags | 32768U) [L3416] void *tmp___2 ; [L3418] CALL, EXPR __kmalloc(size, flags) [L3411] CALL, EXPR ldv_malloc(size) [L3306] void *p ; [L3307] void *tmp ; [L3308] int tmp___0 ; [L3310] tmp___0 = __VERIFIER_nondet_int() [L3311] COND FALSE !(tmp___0 != 0) [L3314] tmp = malloc(size) [L3315] p = tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-18446744073709551615:0}, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, size=96, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L3316] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, usb_counter=0] [L3302] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, cond=1, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, usb_counter=0] [L3316] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-18446744073709551615:0}, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, size=96, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L3317] return (p); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-18446744073709551615:0}, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, size=96, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L3411] RET, EXPR ldv_malloc(size) [L3411] return ldv_malloc(size); [L3418] RET, EXPR __kmalloc(size, flags) [L3418] tmp___2 = __kmalloc(size, flags) [L3419] return (tmp___2); VAL [\old(flags)=65525, \old(size)=96, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, flags=65525, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, size=96, tmp___2={-18446744073709551615:0}, usb_counter=0] [L3426] RET, EXPR kmalloc(size, flags | 32768U) [L3426] tmp = kmalloc(size, flags | 32768U) [L3427] return (tmp); VAL [\old(flags)=208, \old(size)=96, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, flags=208, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, size=96, tmp={-18446744073709551615:0}, usb_counter=0] [L4324] RET, EXPR ldv_kzalloc_1(size, flags) [L4324] res = ldv_kzalloc_1(size, flags) [L4325] COND TRUE (unsigned long )res != (unsigned long )((void *)0) [L4326] CALL ldv_alloc() [L4453] ldv_alloc_count = ldv_alloc_count + 1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, usb_counter=0] [L4326] RET ldv_alloc() [L4329] return (res); VAL [\old(flags)=208, \old(size)=96, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, flags=208, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, res={-18446744073709551615:0}, size=96, usb_counter=0] [L3778] RET, EXPR kzalloc(96UL, 208U) [L3778] tmp = kzalloc(96UL, 208U) [L3779] data = (struct usb_wwan_intf_private *)tmp VAL [__key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, data={-18446744073709551615:0}, debug=0, id={-18446744073709551617:0}, id={-18446744073709551617:0}, id_table={31:0}, ifnum=249, intf={65528:-6}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, retval=-19, serial={-129127208515966861313:0}, serial={-129127208515966861313:0}, tmp={-18446744073709551615:0}, usb_counter=0] [L3780] COND FALSE !((unsigned long )data == (unsigned long )((struct usb_wwan_intf_private *)0)) [L3784] CALL spinlock_check(& data->susp_lock) [L3400] return (& lock->__annonCompField19.rlock); VAL [\result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={-18446744073709551615:0}, lock={-18446744073709551615:0}, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, usb_counter=0] [L3784] RET spinlock_check(& data->susp_lock) [L3785-L3786] FCALL __raw_spin_lock_init(& data->susp_lock.__annonCompField19.rlock, "&(&data->susp_lock)->rlock", & __key) [L3787] EXPR serial->dev [L3787] FCALL usb_enable_autosuspend(serial->dev) [L3789] case 1: [L3790] EXPR serial->interface [L3790] EXPR (serial->interface)->num_altsetting VAL [(serial->interface)->num_altsetting=46, __key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, data={-18446744073709551615:0}, debug=0, id={-18446744073709551617:0}, id={-18446744073709551617:0}, id_table={31:0}, ifnum=249, intf={65528:-6}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, retval=-19, serial={-129127208515966861313:0}, serial={-129127208515966861313:0}, serial->interface={65526:73}, tmp={-18446744073709551615:0}, usb_counter=0] [L3790] COND FALSE !((serial->interface)->num_altsetting == 2U) [L3793] EXPR serial->interface [L3793] EXPR (serial->interface)->num_altsetting VAL [(serial->interface)->num_altsetting=46, __key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, data={-18446744073709551615:0}, debug=0, id={-18446744073709551617:0}, id={-18446744073709551617:0}, id_table={31:0}, ifnum=249, intf={65528:-6}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, retval=-19, serial={-129127208515966861313:0}, serial={-129127208515966861313:0}, serial->interface={65526:73}, tmp={-18446744073709551615:0}, usb_counter=0] [L3793] COND TRUE (serial->interface)->num_altsetting > 2U [L3877] COND FALSE !(retval != -19) VAL [__key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, data={-18446744073709551615:0}, debug=0, id={-18446744073709551617:0}, id={-18446744073709551617:0}, id_table={31:0}, ifnum=249, intf={65528:-6}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, retval=-19, serial={-129127208515966861313:0}, serial={-129127208515966861313:0}, tmp={-18446744073709551615:0}, usb_counter=0] [L3881] return (retval); [L3881] return (retval); VAL [\result=-19, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, data={-18446744073709551615:0}, debug=0, id={-18446744073709551617:0}, id={-18446744073709551617:0}, id_table={31:0}, ifnum=249, intf={65528:-6}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, retval=-19, serial={-129127208515966861313:0}, serial={-129127208515966861313:0}, tmp={-18446744073709551615:0}, usb_counter=0] [L4024] RET, EXPR qcprobe(qcdevice_group1, (struct usb_device_id const *)ldvarg1) [L4024] ldv_retval_4 = qcprobe(qcdevice_group1, (struct usb_device_id const *)ldvarg1) [L4025] COND FALSE !(ldv_retval_4 == 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={43:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={44:0}, ldvarg3={-73786976294838206465:0}, ldvarg4={45:0}, ldvarg5={-92233720368547758081:0}, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-73786976294838206465:0}, tmp___1={-92233720368547758081:0}, tmp___2=0, tmp___3=1, tmp___4=1, usb_counter=0] [L4002] tmp___2 = __VERIFIER_nondet_int() [L4004] case 0: [L4210] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={43:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={44:0}, ldvarg3={-73786976294838206465:0}, ldvarg4={45:0}, ldvarg5={-92233720368547758081:0}, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-73786976294838206465:0}, tmp___1={-92233720368547758081:0}, tmp___2=1, tmp___3=1, tmp___4=1, usb_counter=0] [L4211] COND TRUE ldv_state_variable_0 != 0 [L4212] tmp___4 = __VERIFIER_nondet_int() [L4214] case 0: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={43:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={44:0}, ldvarg3={-73786976294838206465:0}, ldvarg4={45:0}, ldvarg5={-92233720368547758081:0}, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-73786976294838206465:0}, tmp___1={-92233720368547758081:0}, tmp___2=1, tmp___3=1, tmp___4=0, usb_counter=0] [L4215] COND TRUE ldv_state_variable_0 == 2 && ref_cnt == 0 [L4216] CALL qcexit() [L3930] CALL ldv_usb_deregister_11(& qcdriver) [L4437] FCALL usb_deregister(arg) [L4438] ldv_state_variable_2 = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, arg={32:0}, arg={32:0}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, usb_counter=0] [L3930] RET ldv_usb_deregister_11(& qcdriver) [L3931] FCALL usb_serial_deregister(& qcdevice) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, usb_counter=0] [L4216] RET qcexit() [L4217] ldv_state_variable_0 = 3 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldvarg0={43:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={44:0}, ldvarg3={-73786976294838206465:0}, ldvarg4={45:0}, ldvarg5={-92233720368547758081:0}, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-73786976294838206465:0}, tmp___1={-92233720368547758081:0}, tmp___2=1, tmp___3=1, tmp___4=0, usb_counter=0] [L4315] CALL ldv_check_final_state() [L4467] COND TRUE ldv_alloc_count != 0 [L4468] CALL ldv_error() [L4446] reach_error() VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65524:65527}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={-36893488147419103233:0}, qcdevice_group1={-129127208515966861313:0}, qcdevice_group2={-55340232221128654849:0}, qcdriver={32:0}, qcdriver_group1={-110680464442257309697:0}, ref_cnt=0, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 374 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.4s, OverallIterations: 14, TraceHistogramMax: 12, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8463 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8246 mSDsluCounter, 33164 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24431 mSDsCounter, 3396 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3977 IncrementalHoareTripleChecker+Invalid, 7373 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3396 mSolverCounterUnsat, 8733 mSDtfsCounter, 3977 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1684 GetRequests, 1548 SyntacticMatches, 1 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1119occurred in iteration=13, InterpolantAutomatonStates: 106, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 3028 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 3184 NumberOfCodeBlocks, 3184 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3149 ConstructedInterpolants, 0 QuantifiedInterpolants, 5148 SizeOfPredicates, 10 NumberOfNonLiveVariables, 12504 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 4933/4987 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 [2021-12-16 04:10:44,465 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.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 75d232d8f5b5300b961fad2246cc6bf62d9846d1616b34b46b949e6c32c2a93b --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:10:46,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:10:46,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:10:46,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:10:46,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:10:46,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:10:46,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:10:46,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:10:46,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:10:46,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:10:46,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:10:46,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:10:46,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:10:46,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:10:46,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:10:46,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:10:46,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:10:46,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:10:46,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:10:46,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:10:46,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:10:46,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:10:46,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:10:46,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:10:46,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:10:46,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:10:46,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:10:46,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:10:46,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:10:46,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:10:46,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:10:46,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:10:46,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:10:46,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:10:46,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:10:46,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:10:46,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:10:46,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:10:46,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:10:46,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:10:46,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:10:46,207 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-16 04:10:46,231 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:10:46,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:10:46,232 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:10:46,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:10:46,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:10:46,233 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:10:46,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:10:46,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:10:46,234 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:10:46,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:10:46,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:10:46,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:10:46,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:10:46,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:10:46,235 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-16 04:10:46,235 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-16 04:10:46,235 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-16 04:10:46,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:10:46,236 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:10:46,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:10:46,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:10:46,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:10:46,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:10:46,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:10:46,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:10:46,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:10:46,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:10:46,237 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-16 04:10:46,237 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-16 04:10:46,237 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:10:46,238 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:10:46,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:10:46,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:10:46,238 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-16 04:10:46,238 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75d232d8f5b5300b961fad2246cc6bf62d9846d1616b34b46b949e6c32c2a93b [2021-12-16 04:10:46,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:10:46,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:10:46,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:10:46,508 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:10:46,509 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:10:46,510 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-16 04:10:46,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50c35e89a/8c5082d29ced46c2849735edf7a956f8/FLAG7f26e13ea [2021-12-16 04:10:47,089 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:10:47,090 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-16 04:10:47,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50c35e89a/8c5082d29ced46c2849735edf7a956f8/FLAG7f26e13ea [2021-12-16 04:10:47,606 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50c35e89a/8c5082d29ced46c2849735edf7a956f8 [2021-12-16 04:10:47,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:10:47,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:10:47,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:10:47,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:10:47,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:10:47,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:10:47" (1/1) ... [2021-12-16 04:10:47,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b07e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:47, skipping insertion in model container [2021-12-16 04:10:47,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:10:47" (1/1) ... [2021-12-16 04:10:47,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:10:47,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:10:48,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i[133500,133513] [2021-12-16 04:10:48,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:10:48,272 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-16 04:10:48,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:10:48,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i[133500,133513] [2021-12-16 04:10:48,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:10:48,441 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:10:48,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i[133500,133513] [2021-12-16 04:10:48,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:10:48,635 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:10:48,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:48 WrapperNode [2021-12-16 04:10:48,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:10:48,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:10:48,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:10:48,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:10:48,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:48" (1/1) ... [2021-12-16 04:10:48,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:48" (1/1) ... [2021-12-16 04:10:48,737 INFO L137 Inliner]: procedures = 103, calls = 1017, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 1735 [2021-12-16 04:10:48,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:10:48,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:10:48,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:10:48,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:10:48,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:48" (1/1) ... [2021-12-16 04:10:48,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:48" (1/1) ... [2021-12-16 04:10:48,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:48" (1/1) ... [2021-12-16 04:10:48,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:48" (1/1) ... [2021-12-16 04:10:48,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:48" (1/1) ... [2021-12-16 04:10:48,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:48" (1/1) ... [2021-12-16 04:10:48,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:48" (1/1) ... [2021-12-16 04:10:48,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:10:48,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:10:48,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:10:48,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:10:48,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:48" (1/1) ... [2021-12-16 04:10:48,856 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:10:48,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:10:48,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 04:10:48,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 04:10:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-16 04:10:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-16 04:10:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2021-12-16 04:10:48,902 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2021-12-16 04:10:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:10:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:10:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:10:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:10:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2021-12-16 04:10:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2021-12-16 04:10:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-12-16 04:10:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-12-16 04:10:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-16 04:10:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-16 04:10:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:10:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:10:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2021-12-16 04:10:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2021-12-16 04:10:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2021-12-16 04:10:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2021-12-16 04:10:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2021-12-16 04:10:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2021-12-16 04:10:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:10:48,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:10:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:10:48,905 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:10:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:10:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-16 04:10:48,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-16 04:10:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:10:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:10:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:10:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2021-12-16 04:10:48,906 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2021-12-16 04:10:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:10:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-16 04:10:48,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-16 04:10:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2021-12-16 04:10:48,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2021-12-16 04:10:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:10:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:10:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-16 04:10:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-16 04:10:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-16 04:10:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-16 04:10:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-12-16 04:10:48,908 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-12-16 04:10:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2021-12-16 04:10:48,908 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2021-12-16 04:10:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2021-12-16 04:10:48,909 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2021-12-16 04:10:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2021-12-16 04:10:48,909 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2021-12-16 04:10:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2021-12-16 04:10:48,910 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2021-12-16 04:10:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:10:48,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:10:49,187 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:10:49,189 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:10:49,284 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:10:50,484 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:10:50,493 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:10:50,496 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 04:10:50,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:10:50 BoogieIcfgContainer [2021-12-16 04:10:50,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:10:50,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:10:50,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:10:50,503 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:10:50,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:10:47" (1/3) ... [2021-12-16 04:10:50,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6691593c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:10:50, skipping insertion in model container [2021-12-16 04:10:50,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:48" (2/3) ... [2021-12-16 04:10:50,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6691593c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:10:50, skipping insertion in model container [2021-12-16 04:10:50,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:10:50" (3/3) ... [2021-12-16 04:10:50,506 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-16 04:10:50,511 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:10:50,511 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:10:50,556 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:10:50,564 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 04:10:50,565 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:10:50,589 INFO L276 IsEmpty]: Start isEmpty. Operand has 373 states, 283 states have (on average 1.4169611307420495) internal successors, (401), 290 states have internal predecessors, (401), 68 states have call successors, (68), 21 states have call predecessors, (68), 20 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2021-12-16 04:10:50,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-16 04:10:50,596 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:50,597 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:10:50,597 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:50,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:50,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1914240548, now seen corresponding path program 1 times [2021-12-16 04:10:50,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-16 04:10:50,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111802839] [2021-12-16 04:10:50,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:50,614 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-16 04:10:50,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-16 04:10:50,616 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-16 04:10:50,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-16 04:10:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:51,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 2058 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-16 04:10:51,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 04:10:51,608 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-12-16 04:10:51,609 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 04:10:51,609 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-16 04:10:51,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [111802839] [2021-12-16 04:10:51,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [111802839] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:51,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:10:51,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 04:10:51,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103940050] [2021-12-16 04:10:51,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:51,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 04:10:51,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-16 04:10:51,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 04:10:51,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 04:10:51,638 INFO L87 Difference]: Start difference. First operand has 373 states, 283 states have (on average 1.4169611307420495) internal successors, (401), 290 states have internal predecessors, (401), 68 states have call successors, (68), 21 states have call predecessors, (68), 20 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:10:51,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:51,702 INFO L93 Difference]: Finished difference Result 742 states and 1068 transitions. [2021-12-16 04:10:51,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 04:10:51,705 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 86 [2021-12-16 04:10:51,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:51,721 INFO L225 Difference]: With dead ends: 742 [2021-12-16 04:10:51,722 INFO L226 Difference]: Without dead ends: 362 [2021-12-16 04:10:51,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 04:10:51,727 INFO L933 BasicCegarLoop]: 529 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:51,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 04:10:51,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-12-16 04:10:51,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2021-12-16 04:10:51,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 278 states have (on average 1.39568345323741) internal successors, (388), 279 states have internal predecessors, (388), 63 states have call successors, (63), 20 states have call predecessors, (63), 20 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2021-12-16 04:10:51,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 514 transitions. [2021-12-16 04:10:51,768 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 514 transitions. Word has length 86 [2021-12-16 04:10:51,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:51,768 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 514 transitions. [2021-12-16 04:10:51,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:10:51,769 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 514 transitions. [2021-12-16 04:10:51,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-16 04:10:51,772 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:51,772 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:10:51,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-16 04:10:51,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-16 04:10:51,988 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:51,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:51,989 INFO L85 PathProgramCache]: Analyzing trace with hash -983315798, now seen corresponding path program 1 times [2021-12-16 04:10:51,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-16 04:10:51,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1733688199] [2021-12-16 04:10:51,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:51,991 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-16 04:10:51,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-16 04:10:51,994 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-16 04:10:51,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-16 04:10:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:52,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 2058 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-16 04:10:52,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 04:10:52,995 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-12-16 04:10:52,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 04:10:52,996 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-16 04:10:52,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1733688199] [2021-12-16 04:10:52,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1733688199] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:52,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:10:52,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:10:52,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392389785] [2021-12-16 04:10:52,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:52,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:10:52,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-16 04:10:52,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:10:52,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:10:52,999 INFO L87 Difference]: Start difference. First operand 362 states and 514 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-16 04:10:53,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:53,089 INFO L93 Difference]: Finished difference Result 718 states and 1021 transitions. [2021-12-16 04:10:53,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 04:10:53,090 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 86 [2021-12-16 04:10:53,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:53,092 INFO L225 Difference]: With dead ends: 718 [2021-12-16 04:10:53,093 INFO L226 Difference]: Without dead ends: 363 [2021-12-16 04:10:53,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:10:53,095 INFO L933 BasicCegarLoop]: 512 mSDtfsCounter, 3 mSDsluCounter, 1017 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:53,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 1529 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 04:10:53,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-12-16 04:10:53,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2021-12-16 04:10:53,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 279 states have (on average 1.3942652329749103) internal successors, (389), 280 states have internal predecessors, (389), 63 states have call successors, (63), 20 states have call predecessors, (63), 20 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2021-12-16 04:10:53,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 515 transitions. [2021-12-16 04:10:53,141 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 515 transitions. Word has length 86 [2021-12-16 04:10:53,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:53,142 INFO L470 AbstractCegarLoop]: Abstraction has 363 states and 515 transitions. [2021-12-16 04:10:53,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-16 04:10:53,142 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 515 transitions. [2021-12-16 04:10:53,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-16 04:10:53,149 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:53,149 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:10:53,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-16 04:10:53,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-16 04:10:53,367 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:53,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:53,368 INFO L85 PathProgramCache]: Analyzing trace with hash 925658353, now seen corresponding path program 1 times [2021-12-16 04:10:53,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-16 04:10:53,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [358386280] [2021-12-16 04:10:53,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:53,370 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-16 04:10:53,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-16 04:10:53,371 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-16 04:10:53,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-16 04:10:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 2091 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-16 04:10:54,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 04:10:54,353 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-12-16 04:10:54,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 04:10:54,568 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-16 04:10:54,569 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-16 04:10:54,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [358386280] [2021-12-16 04:10:54,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [358386280] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 04:10:54,569 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-16 04:10:54,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-12-16 04:10:54,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367252454] [2021-12-16 04:10:54,569 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-16 04:10:54,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 04:10:54,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-16 04:10:54,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 04:10:54,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 04:10:54,570 INFO L87 Difference]: Start difference. First operand 363 states and 515 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-16 04:10:54,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:54,753 INFO L93 Difference]: Finished difference Result 725 states and 1032 transitions. [2021-12-16 04:10:54,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 04:10:54,754 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 89 [2021-12-16 04:10:54,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:54,755 INFO L225 Difference]: With dead ends: 725 [2021-12-16 04:10:54,756 INFO L226 Difference]: Without dead ends: 366 [2021-12-16 04:10:54,756 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-12-16 04:10:54,757 INFO L933 BasicCegarLoop]: 512 mSDtfsCounter, 10 mSDsluCounter, 2543 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 3055 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:54,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 3055 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 04:10:54,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-12-16 04:10:54,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2021-12-16 04:10:54,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 282 states have (on average 1.3900709219858156) internal successors, (392), 283 states have internal predecessors, (392), 63 states have call successors, (63), 20 states have call predecessors, (63), 20 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2021-12-16 04:10:54,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 518 transitions. [2021-12-16 04:10:54,767 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 518 transitions. Word has length 89 [2021-12-16 04:10:54,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:54,767 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 518 transitions. [2021-12-16 04:10:54,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-16 04:10:54,768 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 518 transitions. [2021-12-16 04:10:54,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-12-16 04:10:54,769 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:54,769 INFO L514 BasicCegarLoop]: trace histogram [12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:10:54,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-16 04:10:54,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-16 04:10:54,980 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:54,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:54,981 INFO L85 PathProgramCache]: Analyzing trace with hash -79587862, now seen corresponding path program 2 times [2021-12-16 04:10:54,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-16 04:10:54,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1052917746] [2021-12-16 04:10:54,983 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-16 04:10:54,983 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-16 04:10:54,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-16 04:10:54,984 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-16 04:10:54,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-16 04:10:55,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-16 04:10:55,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-16 04:10:55,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 1904 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 04:10:55,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 04:10:55,861 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-12-16 04:10:55,861 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 04:10:55,862 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-16 04:10:55,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1052917746] [2021-12-16 04:10:55,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1052917746] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:55,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:10:55,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 04:10:55,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884263629] [2021-12-16 04:10:55,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:55,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 04:10:55,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-16 04:10:55,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 04:10:55,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 04:10:55,864 INFO L87 Difference]: Start difference. First operand 366 states and 518 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-16 04:10:55,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:55,891 INFO L93 Difference]: Finished difference Result 700 states and 999 transitions. [2021-12-16 04:10:55,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 04:10:55,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 98 [2021-12-16 04:10:55,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:55,896 INFO L225 Difference]: With dead ends: 700 [2021-12-16 04:10:55,896 INFO L226 Difference]: Without dead ends: 692 [2021-12-16 04:10:55,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 04:10:55,897 INFO L933 BasicCegarLoop]: 585 mSDtfsCounter, 448 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 1074 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:55,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [448 Valid, 1074 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 04:10:55,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2021-12-16 04:10:55,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 679. [2021-12-16 04:10:55,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 530 states have (on average 1.409433962264151) internal successors, (747), 533 states have internal predecessors, (747), 111 states have call successors, (111), 37 states have call predecessors, (111), 37 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2021-12-16 04:10:55,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 969 transitions. [2021-12-16 04:10:55,926 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 969 transitions. Word has length 98 [2021-12-16 04:10:55,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:55,928 INFO L470 AbstractCegarLoop]: Abstraction has 679 states and 969 transitions. [2021-12-16 04:10:55,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-16 04:10:55,928 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 969 transitions. [2021-12-16 04:10:55,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-16 04:10:55,934 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:55,934 INFO L514 BasicCegarLoop]: trace histogram [12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-16 04:10:55,973 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-16 04:10:56,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-16 04:10:56,155 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:56,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:56,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1936902214, now seen corresponding path program 1 times [2021-12-16 04:10:56,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-16 04:10:56,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [345199957] [2021-12-16 04:10:56,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:56,158 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-16 04:10:56,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-16 04:10:56,159 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-16 04:10:56,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-16 04:10:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:57,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 2274 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 04:10:57,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 04:10:57,792 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-12-16 04:10:57,793 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 04:10:57,793 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-16 04:10:57,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [345199957] [2021-12-16 04:10:57,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [345199957] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:57,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:10:57,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 04:10:57,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240740225] [2021-12-16 04:10:57,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:57,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 04:10:57,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-16 04:10:57,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 04:10:57,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 04:10:57,794 INFO L87 Difference]: Start difference. First operand 679 states and 969 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-16 04:10:58,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:58,056 INFO L93 Difference]: Finished difference Result 1488 states and 2118 transitions. [2021-12-16 04:10:58,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 04:10:58,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 122 [2021-12-16 04:10:58,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:58,061 INFO L225 Difference]: With dead ends: 1488 [2021-12-16 04:10:58,061 INFO L226 Difference]: Without dead ends: 833 [2021-12-16 04:10:58,062 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 04:10:58,063 INFO L933 BasicCegarLoop]: 529 mSDtfsCounter, 130 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:58,063 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 927 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 04:10:58,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2021-12-16 04:10:58,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 828. [2021-12-16 04:10:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 656 states have (on average 1.4100609756097562) internal successors, (925), 660 states have internal predecessors, (925), 124 states have call successors, (124), 47 states have call predecessors, (124), 47 states have return successors, (124), 122 states have call predecessors, (124), 124 states have call successors, (124) [2021-12-16 04:10:58,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1173 transitions. [2021-12-16 04:10:58,089 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1173 transitions. Word has length 122 [2021-12-16 04:10:58,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:58,089 INFO L470 AbstractCegarLoop]: Abstraction has 828 states and 1173 transitions. [2021-12-16 04:10:58,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-16 04:10:58,090 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1173 transitions. [2021-12-16 04:10:58,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-12-16 04:10:58,092 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:58,092 INFO L514 BasicCegarLoop]: trace histogram [12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:10:58,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-16 04:10:58,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-16 04:10:58,307 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:58,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:58,307 INFO L85 PathProgramCache]: Analyzing trace with hash 248504126, now seen corresponding path program 1 times [2021-12-16 04:10:58,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-16 04:10:58,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1344985834] [2021-12-16 04:10:58,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:58,310 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-16 04:10:58,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-16 04:10:58,311 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-16 04:10:58,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-16 04:10:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:59,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 2440 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 04:10:59,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 04:11:00,111 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2021-12-16 04:11:00,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 04:11:00,112 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-16 04:11:00,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1344985834] [2021-12-16 04:11:00,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1344985834] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:11:00,112 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:11:00,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:11:00,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288242350] [2021-12-16 04:11:00,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:11:00,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:11:00,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-16 04:11:00,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:11:00,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:11:00,113 INFO L87 Difference]: Start difference. First operand 828 states and 1173 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-16 04:11:00,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:11:00,296 INFO L93 Difference]: Finished difference Result 2430 states and 3442 transitions. [2021-12-16 04:11:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:11:00,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 183 [2021-12-16 04:11:00,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:11:00,302 INFO L225 Difference]: With dead ends: 2430 [2021-12-16 04:11:00,302 INFO L226 Difference]: Without dead ends: 1620 [2021-12-16 04:11:00,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:11:00,305 INFO L933 BasicCegarLoop]: 982 mSDtfsCounter, 482 mSDsluCounter, 1486 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 2468 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 04:11:00,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [482 Valid, 2468 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 04:11:00,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2021-12-16 04:11:00,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1497. [2021-12-16 04:11:00,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1497 states, 1186 states have (on average 1.4207419898819562) internal successors, (1685), 1196 states have internal predecessors, (1685), 225 states have call successors, (225), 85 states have call predecessors, (225), 85 states have return successors, (225), 219 states have call predecessors, (225), 225 states have call successors, (225) [2021-12-16 04:11:00,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 2135 transitions. [2021-12-16 04:11:00,352 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 2135 transitions. Word has length 183 [2021-12-16 04:11:00,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:11:00,353 INFO L470 AbstractCegarLoop]: Abstraction has 1497 states and 2135 transitions. [2021-12-16 04:11:00,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-16 04:11:00,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 2135 transitions. [2021-12-16 04:11:00,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-12-16 04:11:00,356 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:11:00,357 INFO L514 BasicCegarLoop]: trace histogram [12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:11:00,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-12-16 04:11:00,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-16 04:11:00,571 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:11:00,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:11:00,572 INFO L85 PathProgramCache]: Analyzing trace with hash 370798123, now seen corresponding path program 1 times [2021-12-16 04:11:00,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-16 04:11:00,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [152890798] [2021-12-16 04:11:00,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:11:00,575 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-16 04:11:00,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-16 04:11:00,576 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-16 04:11:00,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-16 04:11:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:02,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 2524 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 04:11:02,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 04:11:02,806 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2021-12-16 04:11:02,806 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 04:11:02,806 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-16 04:11:02,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [152890798] [2021-12-16 04:11:02,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [152890798] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:11:02,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:11:02,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 04:11:02,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595680443] [2021-12-16 04:11:02,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:11:02,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 04:11:02,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-16 04:11:02,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 04:11:02,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 04:11:02,808 INFO L87 Difference]: Start difference. First operand 1497 states and 2135 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-12-16 04:11:02,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:11:02,851 INFO L93 Difference]: Finished difference Result 2970 states and 4240 transitions. [2021-12-16 04:11:02,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 04:11:02,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 204 [2021-12-16 04:11:02,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:11:02,858 INFO L225 Difference]: With dead ends: 2970 [2021-12-16 04:11:02,859 INFO L226 Difference]: Without dead ends: 1497 [2021-12-16 04:11:02,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 04:11:02,862 INFO L933 BasicCegarLoop]: 498 mSDtfsCounter, 431 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 04:11:02,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [431 Valid, 498 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 04:11:02,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2021-12-16 04:11:02,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1497. [2021-12-16 04:11:02,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1497 states, 1186 states have (on average 1.3937605396290051) internal successors, (1653), 1196 states have internal predecessors, (1653), 225 states have call successors, (225), 85 states have call predecessors, (225), 85 states have return successors, (225), 219 states have call predecessors, (225), 225 states have call successors, (225) [2021-12-16 04:11:02,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 2103 transitions. [2021-12-16 04:11:02,901 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 2103 transitions. Word has length 204 [2021-12-16 04:11:02,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:11:02,901 INFO L470 AbstractCegarLoop]: Abstraction has 1497 states and 2103 transitions. [2021-12-16 04:11:02,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-12-16 04:11:02,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 2103 transitions. [2021-12-16 04:11:02,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-12-16 04:11:02,904 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:11:02,904 INFO L514 BasicCegarLoop]: trace histogram [12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:11:02,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-12-16 04:11:03,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-16 04:11:03,132 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:11:03,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:11:03,132 INFO L85 PathProgramCache]: Analyzing trace with hash 158716901, now seen corresponding path program 1 times [2021-12-16 04:11:03,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-16 04:11:03,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1603811798] [2021-12-16 04:11:03,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:11:03,134 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-16 04:11:03,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-16 04:11:03,135 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-16 04:11:03,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-16 04:11:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:05,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 2524 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-16 04:11:05,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 04:11:05,348 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2021-12-16 04:11:05,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 04:11:05,348 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-16 04:11:05,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1603811798] [2021-12-16 04:11:05,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1603811798] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:11:05,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:11:05,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 04:11:05,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824707613] [2021-12-16 04:11:05,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:11:05,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 04:11:05,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-16 04:11:05,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 04:11:05,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:11:05,349 INFO L87 Difference]: Start difference. First operand 1497 states and 2103 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-12-16 04:11:05,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:11:05,738 INFO L93 Difference]: Finished difference Result 3391 states and 4958 transitions. [2021-12-16 04:11:05,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:11:05,739 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 204 [2021-12-16 04:11:05,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:11:05,748 INFO L225 Difference]: With dead ends: 3391 [2021-12-16 04:11:05,748 INFO L226 Difference]: Without dead ends: 2657 [2021-12-16 04:11:05,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-16 04:11:05,750 INFO L933 BasicCegarLoop]: 809 mSDtfsCounter, 1570 mSDsluCounter, 2696 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1570 SdHoareTripleChecker+Valid, 3505 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 04:11:05,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1570 Valid, 3505 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 04:11:05,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2657 states. [2021-12-16 04:11:05,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2657 to 1517. [2021-12-16 04:11:05,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1517 states, 1206 states have (on average 1.3872305140961858) internal successors, (1673), 1216 states have internal predecessors, (1673), 225 states have call successors, (225), 85 states have call predecessors, (225), 85 states have return successors, (225), 219 states have call predecessors, (225), 225 states have call successors, (225) [2021-12-16 04:11:05,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 2123 transitions. [2021-12-16 04:11:05,814 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 2123 transitions. Word has length 204 [2021-12-16 04:11:05,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:11:05,814 INFO L470 AbstractCegarLoop]: Abstraction has 1517 states and 2123 transitions. [2021-12-16 04:11:05,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-12-16 04:11:05,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 2123 transitions. [2021-12-16 04:11:05,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-12-16 04:11:05,817 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:11:05,818 INFO L514 BasicCegarLoop]: trace histogram [12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:11:05,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-12-16 04:11:06,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-16 04:11:06,029 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:11:06,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:11:06,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1573980731, now seen corresponding path program 1 times [2021-12-16 04:11:06,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-16 04:11:06,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1906918115] [2021-12-16 04:11:06,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:11:06,031 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-16 04:11:06,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-16 04:11:06,032 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-16 04:11:06,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-16 04:11:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:07,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 2530 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 04:11:07,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 04:11:08,112 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2021-12-16 04:11:08,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 04:11:08,113 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-16 04:11:08,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1906918115] [2021-12-16 04:11:08,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1906918115] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:11:08,113 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:11:08,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 04:11:08,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613647739] [2021-12-16 04:11:08,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:11:08,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 04:11:08,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-16 04:11:08,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 04:11:08,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 04:11:08,115 INFO L87 Difference]: Start difference. First operand 1517 states and 2123 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-16 04:11:08,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:11:08,441 INFO L93 Difference]: Finished difference Result 3502 states and 4957 transitions. [2021-12-16 04:11:08,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 04:11:08,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 211 [2021-12-16 04:11:08,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:11:08,449 INFO L225 Difference]: With dead ends: 3502 [2021-12-16 04:11:08,449 INFO L226 Difference]: Without dead ends: 2009 [2021-12-16 04:11:08,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 04:11:08,453 INFO L933 BasicCegarLoop]: 584 mSDtfsCounter, 300 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-16 04:11:08,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [300 Valid, 835 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-16 04:11:08,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2009 states. [2021-12-16 04:11:08,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2009 to 1950. [2021-12-16 04:11:08,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1950 states, 1598 states have (on average 1.3798498122653318) internal successors, (2205), 1607 states have internal predecessors, (2205), 240 states have call successors, (240), 111 states have call predecessors, (240), 111 states have return successors, (240), 235 states have call predecessors, (240), 240 states have call successors, (240) [2021-12-16 04:11:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 2685 transitions. [2021-12-16 04:11:08,538 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 2685 transitions. Word has length 211 [2021-12-16 04:11:08,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:11:08,539 INFO L470 AbstractCegarLoop]: Abstraction has 1950 states and 2685 transitions. [2021-12-16 04:11:08,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-16 04:11:08,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 2685 transitions. [2021-12-16 04:11:08,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-12-16 04:11:08,546 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:11:08,547 INFO L514 BasicCegarLoop]: trace histogram [12, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:11:08,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-12-16 04:11:08,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-16 04:11:08,759 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:11:08,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:11:08,760 INFO L85 PathProgramCache]: Analyzing trace with hash 574800503, now seen corresponding path program 1 times [2021-12-16 04:11:08,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-16 04:11:08,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [276790458] [2021-12-16 04:11:08,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:11:08,762 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-16 04:11:08,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-16 04:11:08,763 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-16 04:11:08,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-16 04:11:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:10,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 2541 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 04:11:10,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 04:11:10,925 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-12-16 04:11:10,926 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 04:11:10,926 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-16 04:11:10,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [276790458] [2021-12-16 04:11:10,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [276790458] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:11:10,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:11:10,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:11:10,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942370072] [2021-12-16 04:11:10,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:11:10,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:11:10,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-16 04:11:10,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:11:10,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:11:10,927 INFO L87 Difference]: Start difference. First operand 1950 states and 2685 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-12-16 04:11:11,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:11:11,394 INFO L93 Difference]: Finished difference Result 4833 states and 7001 transitions. [2021-12-16 04:11:11,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 04:11:11,395 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 210 [2021-12-16 04:11:11,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:11:11,409 INFO L225 Difference]: With dead ends: 4833 [2021-12-16 04:11:11,409 INFO L226 Difference]: Without dead ends: 3857 [2021-12-16 04:11:11,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:11:11,412 INFO L933 BasicCegarLoop]: 1191 mSDtfsCounter, 922 mSDsluCounter, 2159 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 976 SdHoareTripleChecker+Valid, 3350 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-16 04:11:11,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [976 Valid, 3350 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-16 04:11:11,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3857 states. [2021-12-16 04:11:11,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3857 to 1956. [2021-12-16 04:11:11,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1956 states, 1604 states have (on average 1.378428927680798) internal successors, (2211), 1613 states have internal predecessors, (2211), 240 states have call successors, (240), 111 states have call predecessors, (240), 111 states have return successors, (240), 235 states have call predecessors, (240), 240 states have call successors, (240) [2021-12-16 04:11:11,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2691 transitions. [2021-12-16 04:11:11,516 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2691 transitions. Word has length 210 [2021-12-16 04:11:11,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:11:11,518 INFO L470 AbstractCegarLoop]: Abstraction has 1956 states and 2691 transitions. [2021-12-16 04:11:11,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-12-16 04:11:11,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2691 transitions. [2021-12-16 04:11:11,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-12-16 04:11:11,522 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:11:11,522 INFO L514 BasicCegarLoop]: trace histogram [12, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:11:11,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-12-16 04:11:11,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-16 04:11:11,732 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:11:11,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:11:11,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1036613565, now seen corresponding path program 1 times [2021-12-16 04:11:11,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-16 04:11:11,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [513602820] [2021-12-16 04:11:11,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:11:11,735 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-16 04:11:11,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-16 04:11:11,735 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-16 04:11:11,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-16 04:11:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:13,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 2576 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 04:11:13,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 04:11:13,925 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-12-16 04:11:13,925 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 04:11:13,925 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-16 04:11:13,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [513602820] [2021-12-16 04:11:13,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [513602820] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:11:13,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:11:13,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:11:13,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629974186] [2021-12-16 04:11:13,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:11:13,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:11:13,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-16 04:11:13,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:11:13,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:11:13,927 INFO L87 Difference]: Start difference. First operand 1956 states and 2691 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-16 04:11:14,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:11:14,374 INFO L93 Difference]: Finished difference Result 6039 states and 8467 transitions. [2021-12-16 04:11:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:11:14,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 218 [2021-12-16 04:11:14,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:11:14,386 INFO L225 Difference]: With dead ends: 6039 [2021-12-16 04:11:14,386 INFO L226 Difference]: Without dead ends: 4107 [2021-12-16 04:11:14,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 04:11:14,389 INFO L933 BasicCegarLoop]: 977 mSDtfsCounter, 747 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 2961 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-16 04:11:14,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [800 Valid, 2961 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-16 04:11:14,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4107 states. [2021-12-16 04:11:14,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4107 to 1972. [2021-12-16 04:11:14,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1972 states, 1620 states have (on average 1.3746913580246913) internal successors, (2227), 1625 states have internal predecessors, (2227), 240 states have call successors, (240), 111 states have call predecessors, (240), 111 states have return successors, (240), 235 states have call predecessors, (240), 240 states have call successors, (240) [2021-12-16 04:11:14,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1972 states and 2707 transitions. [2021-12-16 04:11:14,488 INFO L78 Accepts]: Start accepts. Automaton has 1972 states and 2707 transitions. Word has length 218 [2021-12-16 04:11:14,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:11:14,488 INFO L470 AbstractCegarLoop]: Abstraction has 1972 states and 2707 transitions. [2021-12-16 04:11:14,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-16 04:11:14,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2707 transitions. [2021-12-16 04:11:14,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-12-16 04:11:14,491 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:11:14,491 INFO L514 BasicCegarLoop]: trace histogram [12, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:11:14,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-12-16 04:11:14,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-16 04:11:14,707 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:11:14,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:11:14,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1978490053, now seen corresponding path program 1 times [2021-12-16 04:11:14,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-16 04:11:14,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1417775634] [2021-12-16 04:11:14,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:11:14,710 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-16 04:11:14,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-16 04:11:14,711 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-16 04:11:14,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-16 04:11:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:16,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 2574 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 04:11:16,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 04:11:16,864 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2021-12-16 04:11:16,864 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 04:11:16,864 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-16 04:11:16,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1417775634] [2021-12-16 04:11:16,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1417775634] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:11:16,864 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:11:16,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 04:11:16,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926073347] [2021-12-16 04:11:16,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:11:16,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 04:11:16,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-16 04:11:16,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 04:11:16,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 04:11:16,865 INFO L87 Difference]: Start difference. First operand 1972 states and 2707 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-16 04:11:17,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:11:17,046 INFO L93 Difference]: Finished difference Result 3013 states and 4159 transitions. [2021-12-16 04:11:17,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 04:11:17,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 218 [2021-12-16 04:11:17,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:11:17,050 INFO L225 Difference]: With dead ends: 3013 [2021-12-16 04:11:17,050 INFO L226 Difference]: Without dead ends: 1023 [2021-12-16 04:11:17,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 04:11:17,053 INFO L933 BasicCegarLoop]: 578 mSDtfsCounter, 391 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 04:11:17,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [391 Valid, 697 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 04:11:17,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2021-12-16 04:11:17,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 1011. [2021-12-16 04:11:17,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1011 states, 839 states have (on average 1.3802145411203814) internal successors, (1158), 840 states have internal predecessors, (1158), 118 states have call successors, (118), 53 states have call predecessors, (118), 53 states have return successors, (118), 117 states have call predecessors, (118), 118 states have call successors, (118) [2021-12-16 04:11:17,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1394 transitions. [2021-12-16 04:11:17,104 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1394 transitions. Word has length 218 [2021-12-16 04:11:17,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:11:17,105 INFO L470 AbstractCegarLoop]: Abstraction has 1011 states and 1394 transitions. [2021-12-16 04:11:17,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-16 04:11:17,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1394 transitions. [2021-12-16 04:11:17,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-12-16 04:11:17,107 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:11:17,107 INFO L514 BasicCegarLoop]: trace histogram [12, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 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] [2021-12-16 04:11:17,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-12-16 04:11:17,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-16 04:11:17,331 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:11:17,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:11:17,332 INFO L85 PathProgramCache]: Analyzing trace with hash -74686153, now seen corresponding path program 1 times [2021-12-16 04:11:17,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-16 04:11:17,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [484484522] [2021-12-16 04:11:17,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:11:17,334 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-16 04:11:17,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-16 04:11:17,335 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-16 04:11:17,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process