/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:11:19,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:11:19,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:11:19,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:11:19,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:11:19,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:11:19,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:11:19,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:11:19,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:11:19,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:11:19,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:11:19,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:11:19,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:11:19,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:11:19,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:11:19,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:11:19,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:11:19,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:11:19,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:11:19,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:11:19,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:11:19,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:11:19,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:11:19,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:11:19,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:11:19,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:11:19,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:11:19,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:11:19,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:11:19,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:11:19,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:11:19,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:11:19,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:11:19,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:11:19,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:11:19,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:11:19,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:11:19,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:11:19,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:11:19,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:11:19,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:11:19,619 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:11:19,679 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:11:19,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:11:19,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:11:19,680 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:11:19,682 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:11:19,683 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:11:19,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:11:19,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:11:19,686 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:11:19,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:11:19,687 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:11:19,687 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:11:19,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:11:19,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:11:19,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:11:19,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:11:19,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:11:19,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:11:19,688 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:11:19,689 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:11:19,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:11:19,689 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:11:19,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:11:19,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:11:19,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:11:19,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:11:19,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:11:19,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:11:19,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:11:19,691 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:11:19,691 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:11:19,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:11:19,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:11:19,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:11:20,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:11:20,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:11:20,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:11:20,125 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:11:20,126 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:11:20,127 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i [2022-10-15 21:11:20,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1d7c78b1/a7805953abd64207957d2a9ce6cb2e68/FLAG1eaa739e6 [2022-10-15 21:11:21,343 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:11:21,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i [2022-10-15 21:11:21,401 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1d7c78b1/a7805953abd64207957d2a9ce6cb2e68/FLAG1eaa739e6 [2022-10-15 21:11:21,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1d7c78b1/a7805953abd64207957d2a9ce6cb2e68 [2022-10-15 21:11:21,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:11:21,727 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:11:21,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:11:21,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:11:21,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:11:21,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:11:21" (1/1) ... [2022-10-15 21:11:21,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97aedf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:21, skipping insertion in model container [2022-10-15 21:11:21,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:11:21" (1/1) ... [2022-10-15 21:11:21,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:11:21,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:11:22,858 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-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i[108030,108043] [2022-10-15 21:11:23,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:11:23,469 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:11:23,632 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-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i[108030,108043] [2022-10-15 21:11:24,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:11:24,291 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:11:24,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:24 WrapperNode [2022-10-15 21:11:24,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:11:24,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:11:24,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:11:24,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:11:24,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:24" (1/1) ... [2022-10-15 21:11:24,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:24" (1/1) ... [2022-10-15 21:11:24,617 INFO L138 Inliner]: procedures = 178, calls = 1868, calls flagged for inlining = 81, calls inlined = 81, statements flattened = 3682 [2022-10-15 21:11:24,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:11:24,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:11:24,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:11:24,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:11:24,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:24" (1/1) ... [2022-10-15 21:11:24,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:24" (1/1) ... [2022-10-15 21:11:24,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:24" (1/1) ... [2022-10-15 21:11:24,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:24" (1/1) ... [2022-10-15 21:11:24,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:24" (1/1) ... [2022-10-15 21:11:24,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:24" (1/1) ... [2022-10-15 21:11:24,975 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:24" (1/1) ... [2022-10-15 21:11:25,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:24" (1/1) ... [2022-10-15 21:11:25,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:11:25,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:11:25,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:11:25,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:11:25,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:24" (1/1) ... [2022-10-15 21:11:25,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:11:25,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:11:25,179 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) [2022-10-15 21:11:25,208 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 [2022-10-15 21:11:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-15 21:11:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-15 21:11:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:11:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_3 [2022-10-15 21:11:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_3 [2022-10-15 21:11:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_8 [2022-10-15 21:11:25,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_8 [2022-10-15 21:11:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2022-10-15 21:11:25,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2022-10-15 21:11:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2022-10-15 21:11:25,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2022-10-15 21:11:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:11:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:11:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-10-15 21:11:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-10-15 21:11:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:11:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:11:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:11:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_20 [2022-10-15 21:11:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_20 [2022-10-15 21:11:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-10-15 21:11:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-10-15 21:11:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 21:11:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 21:11:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-15 21:11:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-15 21:11:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:11:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:11:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-10-15 21:11:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-10-15 21:11:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-15 21:11:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-15 21:11:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-10-15 21:11:25,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-10-15 21:11:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:11:25,260 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:11:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_resume [2022-10-15 21:11:25,260 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_resume [2022-10-15 21:11:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure kstrdup [2022-10-15 21:11:25,261 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrdup [2022-10-15 21:11:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-10-15 21:11:25,261 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-10-15 21:11:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_reset_resume [2022-10-15 21:11:25,261 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_reset_resume [2022-10-15 21:11:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:11:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:11:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:11:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:11:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:11:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-10-15 21:11:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-10-15 21:11:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:11:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:11:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:11:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:11:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:11:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:11:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:11:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-10-15 21:11:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-10-15 21:11:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_free_buffers [2022-10-15 21:11:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_free_buffers [2022-10-15 21:11:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_disconnect [2022-10-15 21:11:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_disconnect [2022-10-15 21:11:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2022-10-15 21:11:25,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2022-10-15 21:11:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:11:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-15 21:11:25,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-15 21:11:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:11:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:11:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-10-15 21:11:25,266 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-10-15 21:11:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-10-15 21:11:25,266 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-10-15 21:11:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:11:25,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:11:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:11:25,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:11:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:11:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-10-15 21:11:25,267 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-10-15 21:11:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_14 [2022-10-15 21:11:25,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_14 [2022-10-15 21:11:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_16 [2022-10-15 21:11:25,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_16 [2022-10-15 21:11:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2022-10-15 21:11:25,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2022-10-15 21:11:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_probe [2022-10-15 21:11:25,268 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_probe [2022-10-15 21:11:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:11:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2022-10-15 21:11:25,269 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2022-10-15 21:11:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:11:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2022-10-15 21:11:25,269 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2022-10-15 21:11:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_open [2022-10-15 21:11:25,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_open [2022-10-15 21:11:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_12 [2022-10-15 21:11:25,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_12 [2022-10-15 21:11:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-15 21:11:25,270 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-15 21:11:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:11:25,270 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:11:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-15 21:11:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-15 21:11:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_irq [2022-10-15 21:11:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_irq [2022-10-15 21:11:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:11:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:11:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_process_pkt [2022-10-15 21:11:25,272 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_process_pkt [2022-10-15 21:11:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-15 21:11:25,272 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-15 21:11:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2022-10-15 21:11:25,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2022-10-15 21:11:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-10-15 21:11:25,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-10-15 21:11:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:11:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure nexio_read_data [2022-10-15 21:11:25,273 INFO L138 BoogieDeclarations]: Found implementation of procedure nexio_read_data [2022-10-15 21:11:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-10-15 21:11:25,273 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-10-15 21:11:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:11:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:11:25,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:11:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:11:25,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:11:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2022-10-15 21:11:25,274 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2022-10-15 21:11:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_process_multi [2022-10-15 21:11:25,275 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_process_multi [2022-10-15 21:11:25,951 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:11:25,958 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:11:26,257 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:11:29,137 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-10-15 21:11:30,726 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:11:30,751 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:11:30,751 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:11:30,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:11:30 BoogieIcfgContainer [2022-10-15 21:11:30,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:11:30,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:11:30,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:11:30,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:11:30,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:11:21" (1/3) ... [2022-10-15 21:11:30,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d55ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:11:30, skipping insertion in model container [2022-10-15 21:11:30,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:24" (2/3) ... [2022-10-15 21:11:30,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d55ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:11:30, skipping insertion in model container [2022-10-15 21:11:30,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:11:30" (3/3) ... [2022-10-15 21:11:30,773 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i [2022-10-15 21:11:30,798 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:11:30,798 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 170 error locations. [2022-10-15 21:11:30,938 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:11:30,948 INFO L357 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@26e16a30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:11:30,949 INFO L358 AbstractCegarLoop]: Starting to check reachability of 170 error locations. [2022-10-15 21:11:30,961 INFO L276 IsEmpty]: Start isEmpty. Operand has 1301 states, 867 states have (on average 1.4867358708189158) internal successors, (1289), 1055 states have internal predecessors, (1289), 207 states have call successors, (207), 58 states have call predecessors, (207), 56 states have return successors, (201), 199 states have call predecessors, (201), 201 states have call successors, (201) [2022-10-15 21:11:30,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-15 21:11:30,978 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:11:30,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:11:30,980 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 168 more)] === [2022-10-15 21:11:30,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:11:30,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1136447627, now seen corresponding path program 1 times [2022-10-15 21:11:31,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:11:31,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766068234] [2022-10-15 21:11:31,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:31,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:11:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:32,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:11:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:32,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:11:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:32,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-15 21:11:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:32,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:32,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:11:32,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:11:32,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766068234] [2022-10-15 21:11:32,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766068234] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:11:32,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:11:32,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:11:32,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192027859] [2022-10-15 21:11:32,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:11:32,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:11:32,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:11:32,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:11:32,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:11:32,205 INFO L87 Difference]: Start difference. First operand has 1301 states, 867 states have (on average 1.4867358708189158) internal successors, (1289), 1055 states have internal predecessors, (1289), 207 states have call successors, (207), 58 states have call predecessors, (207), 56 states have return successors, (201), 199 states have call predecessors, (201), 201 states have call successors, (201) Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-15 21:11:40,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:11:40,693 INFO L93 Difference]: Finished difference Result 3270 states and 4483 transitions. [2022-10-15 21:11:40,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:11:40,697 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2022-10-15 21:11:40,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:11:40,768 INFO L225 Difference]: With dead ends: 3270 [2022-10-15 21:11:40,768 INFO L226 Difference]: Without dead ends: 1923 [2022-10-15 21:11:40,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:11:40,804 INFO L413 NwaCegarLoop]: 1454 mSDtfsCounter, 1214 mSDsluCounter, 3324 mSDsCounter, 0 mSdLazyCounter, 2511 mSolverCounterSat, 421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1303 SdHoareTripleChecker+Valid, 4778 SdHoareTripleChecker+Invalid, 2932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 2511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:11:40,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1303 Valid, 4778 Invalid, 2932 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [421 Valid, 2511 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-10-15 21:11:40,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1923 states. [2022-10-15 21:11:41,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1923 to 1253. [2022-10-15 21:11:41,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 875 states have (on average 1.417142857142857) internal successors, (1240), 1004 states have internal predecessors, (1240), 196 states have call successors, (196), 58 states have call predecessors, (196), 58 states have return successors, (196), 194 states have call predecessors, (196), 196 states have call successors, (196) [2022-10-15 21:11:41,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1632 transitions. [2022-10-15 21:11:41,149 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1632 transitions. Word has length 35 [2022-10-15 21:11:41,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:11:41,150 INFO L495 AbstractCegarLoop]: Abstraction has 1253 states and 1632 transitions. [2022-10-15 21:11:41,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-15 21:11:41,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1632 transitions. [2022-10-15 21:11:41,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-15 21:11:41,163 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:11:41,164 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-15 21:11:41,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:11:41,164 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 168 more)] === [2022-10-15 21:11:41,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:11:41,166 INFO L85 PathProgramCache]: Analyzing trace with hash -742532637, now seen corresponding path program 1 times [2022-10-15 21:11:41,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:11:41,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559085038] [2022-10-15 21:11:41,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:41,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:11:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:41,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:11:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:41,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:11:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:41,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 21:11:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:42,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-15 21:11:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:42,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:42,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-15 21:11:42,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:11:42,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559085038] [2022-10-15 21:11:42,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559085038] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:11:42,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:11:42,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:11:42,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109055682] [2022-10-15 21:11:42,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:11:42,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:11:42,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:11:42,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:11:42,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:11:42,042 INFO L87 Difference]: Start difference. First operand 1253 states and 1632 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-10-15 21:11:55,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:11:55,873 INFO L93 Difference]: Finished difference Result 4988 states and 6619 transitions. [2022-10-15 21:11:55,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:11:55,875 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 54 [2022-10-15 21:11:55,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:11:55,905 INFO L225 Difference]: With dead ends: 4988 [2022-10-15 21:11:55,905 INFO L226 Difference]: Without dead ends: 3757 [2022-10-15 21:11:55,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-10-15 21:11:55,914 INFO L413 NwaCegarLoop]: 2497 mSDtfsCounter, 2850 mSDsluCounter, 4839 mSDsCounter, 0 mSdLazyCounter, 4041 mSolverCounterSat, 1052 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3065 SdHoareTripleChecker+Valid, 7336 SdHoareTripleChecker+Invalid, 5093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1052 IncrementalHoareTripleChecker+Valid, 4041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:11:55,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3065 Valid, 7336 Invalid, 5093 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1052 Valid, 4041 Invalid, 0 Unknown, 0 Unchecked, 13.0s Time] [2022-10-15 21:11:55,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2022-10-15 21:11:56,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 2307. [2022-10-15 21:11:56,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2307 states, 1691 states have (on average 1.4157303370786516) internal successors, (2394), 1826 states have internal predecessors, (2394), 380 states have call successors, (380), 112 states have call predecessors, (380), 112 states have return successors, (380), 376 states have call predecessors, (380), 380 states have call successors, (380) [2022-10-15 21:11:56,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 3154 transitions. [2022-10-15 21:11:56,159 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 3154 transitions. Word has length 54 [2022-10-15 21:11:56,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:11:56,159 INFO L495 AbstractCegarLoop]: Abstraction has 2307 states and 3154 transitions. [2022-10-15 21:11:56,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-10-15 21:11:56,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 3154 transitions. [2022-10-15 21:11:56,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 21:11:56,165 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:11:56,166 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-15 21:11:56,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:11:56,166 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting usbtouch_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 168 more)] === [2022-10-15 21:11:56,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:11:56,167 INFO L85 PathProgramCache]: Analyzing trace with hash -898724050, now seen corresponding path program 1 times [2022-10-15 21:11:56,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:11:56,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568475948] [2022-10-15 21:11:56,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:56,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:11:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:56,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:11:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:56,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:11:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:56,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 21:11:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:56,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-15 21:11:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:56,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:56,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-15 21:11:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:56,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 21:11:56,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:11:56,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568475948] [2022-10-15 21:11:56,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568475948] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:11:56,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:11:56,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:11:56,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725099224] [2022-10-15 21:11:56,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:11:56,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:11:56,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:11:56,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:11:56,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:11:56,780 INFO L87 Difference]: Start difference. First operand 2307 states and 3154 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-15 21:12:02,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:12:02,837 INFO L93 Difference]: Finished difference Result 3902 states and 5597 transitions. [2022-10-15 21:12:02,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:12:02,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 66 [2022-10-15 21:12:02,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:12:02,869 INFO L225 Difference]: With dead ends: 3902 [2022-10-15 21:12:02,869 INFO L226 Difference]: Without dead ends: 3900 [2022-10-15 21:12:02,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:12:02,874 INFO L413 NwaCegarLoop]: 1553 mSDtfsCounter, 1890 mSDsluCounter, 3641 mSDsCounter, 0 mSdLazyCounter, 2426 mSolverCounterSat, 804 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 5194 SdHoareTripleChecker+Invalid, 3230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 804 IncrementalHoareTripleChecker+Valid, 2426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:12:02,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2020 Valid, 5194 Invalid, 3230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [804 Valid, 2426 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-10-15 21:12:02,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3900 states. [2022-10-15 21:12:03,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3900 to 2323. [2022-10-15 21:12:03,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2323 states, 1705 states have (on average 1.4146627565982404) internal successors, (2412), 1840 states have internal predecessors, (2412), 382 states have call successors, (382), 112 states have call predecessors, (382), 112 states have return successors, (382), 378 states have call predecessors, (382), 382 states have call successors, (382) [2022-10-15 21:12:03,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 2323 states and 3176 transitions. [2022-10-15 21:12:03,126 INFO L78 Accepts]: Start accepts. Automaton has 2323 states and 3176 transitions. Word has length 66 [2022-10-15 21:12:03,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:12:03,129 INFO L495 AbstractCegarLoop]: Abstraction has 2323 states and 3176 transitions. [2022-10-15 21:12:03,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-15 21:12:03,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2323 states and 3176 transitions. [2022-10-15 21:12:03,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 21:12:03,131 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:12:03,132 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-15 21:12:03,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:12:03,132 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 168 more)] === [2022-10-15 21:12:03,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:12:03,133 INFO L85 PathProgramCache]: Analyzing trace with hash 2123327853, now seen corresponding path program 1 times [2022-10-15 21:12:03,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:12:03,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152887975] [2022-10-15 21:12:03,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:12:03,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:12:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:12:03,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:12:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:12:03,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:12:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:12:03,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 21:12:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:12:03,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 21:12:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:12:03,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:12:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:12:03,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:12:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:12:03,888 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 21:12:03,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:12:03,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152887975] [2022-10-15 21:12:03,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152887975] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:12:03,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:12:03,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:12:03,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714402534] [2022-10-15 21:12:03,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:12:03,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:12:03,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:12:03,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:12:03,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:12:03,915 INFO L87 Difference]: Start difference. First operand 2323 states and 3176 transitions. Second operand has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)