/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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 20:51:51,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 20:51:51,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 20:51:51,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 20:51:51,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 20:51:51,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 20:51:51,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 20:51:51,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 20:51:51,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 20:51:51,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 20:51:51,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 20:51:51,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 20:51:51,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 20:51:51,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 20:51:51,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 20:51:51,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 20:51:51,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 20:51:51,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 20:51:51,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 20:51:51,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 20:51:51,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 20:51:51,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 20:51:51,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 20:51:51,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 20:51:51,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 20:51:51,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 20:51:51,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 20:51:51,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 20:51:51,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 20:51:51,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 20:51:51,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 20:51:51,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 20:51:51,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 20:51:51,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 20:51:51,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 20:51:51,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 20:51:51,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 20:51:51,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 20:51:51,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 20:51:51,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 20:51:51,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 20:51:51,163 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 20:51:51,229 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 20:51:51,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 20:51:51,230 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 20:51:51,230 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 20:51:51,232 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 20:51:51,232 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 20:51:51,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 20:51:51,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 20:51:51,236 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 20:51:51,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 20:51:51,238 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 20:51:51,238 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 20:51:51,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 20:51:51,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 20:51:51,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 20:51:51,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 20:51:51,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 20:51:51,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 20:51:51,240 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 20:51:51,240 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 20:51:51,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 20:51:51,241 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 20:51:51,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 20:51:51,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 20:51:51,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 20:51:51,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 20:51:51,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 20:51:51,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 20:51:51,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 20:51:51,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 20:51:51,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 20:51:51,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 20:51:51,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 20:51:51,245 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 20:51:51,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 20:51:51,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 20:51:51,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 20:51:51,818 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 20:51:51,819 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 20:51:51,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2022-10-15 20:51:51,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68a420387/7905a2bdf764417dac5d706af1099fcb/FLAG7e3100ea7 [2022-10-15 20:51:53,209 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 20:51:53,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2022-10-15 20:51:53,305 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68a420387/7905a2bdf764417dac5d706af1099fcb/FLAG7e3100ea7 [2022-10-15 20:51:53,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68a420387/7905a2bdf764417dac5d706af1099fcb [2022-10-15 20:51:53,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 20:51:53,400 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 20:51:53,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 20:51:53,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 20:51:53,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 20:51:53,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:51:53" (1/1) ... [2022-10-15 20:51:53,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67292910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:53, skipping insertion in model container [2022-10-15 20:51:53,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:51:53" (1/1) ... [2022-10-15 20:51:53,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 20:51:53,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 20:51:56,993 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293480,293493] [2022-10-15 20:51:56,995 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293625,293638] [2022-10-15 20:51:57,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 20:51:57,068 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 20:51:57,549 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293480,293493] [2022-10-15 20:51:57,550 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293625,293638] [2022-10-15 20:51:57,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 20:51:57,725 INFO L208 MainTranslator]: Completed translation [2022-10-15 20:51:57,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:57 WrapperNode [2022-10-15 20:51:57,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 20:51:57,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 20:51:57,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 20:51:57,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 20:51:57,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:57" (1/1) ... [2022-10-15 20:51:57,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:57" (1/1) ... [2022-10-15 20:51:58,199 INFO L138 Inliner]: procedures = 363, calls = 2926, calls flagged for inlining = 178, calls inlined = 134, statements flattened = 4918 [2022-10-15 20:51:58,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 20:51:58,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 20:51:58,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 20:51:58,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 20:51:58,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:57" (1/1) ... [2022-10-15 20:51:58,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:57" (1/1) ... [2022-10-15 20:51:58,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:57" (1/1) ... [2022-10-15 20:51:58,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:57" (1/1) ... [2022-10-15 20:51:58,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:57" (1/1) ... [2022-10-15 20:51:58,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:57" (1/1) ... [2022-10-15 20:51:58,472 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:57" (1/1) ... [2022-10-15 20:51:58,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:57" (1/1) ... [2022-10-15 20:51:58,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 20:51:58,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 20:51:58,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 20:51:58,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 20:51:58,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:57" (1/1) ... [2022-10-15 20:51:58,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 20:51:58,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:51:58,622 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 20:51:58,643 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 20:51:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-10-15 20:51:58,727 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-10-15 20:51:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-10-15 20:51:58,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-10-15 20:51:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-15 20:51:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 20:51:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 20:51:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 20:51:58,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 20:51:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-15 20:51:58,728 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-15 20:51:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2022-10-15 20:51:58,729 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2022-10-15 20:51:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-15 20:51:58,729 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-15 20:51:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-10-15 20:51:58,729 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-10-15 20:51:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 20:51:58,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 20:51:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2022-10-15 20:51:58,730 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2022-10-15 20:51:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-10-15 20:51:58,730 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-10-15 20:51:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 20:51:58,731 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 20:51:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2022-10-15 20:51:58,731 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2022-10-15 20:51:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2022-10-15 20:51:58,731 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2022-10-15 20:51:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2022-10-15 20:51:58,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2022-10-15 20:51:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-10-15 20:51:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-10-15 20:51:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 20:51:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-10-15 20:51:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-10-15 20:51:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 20:51:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-15 20:51:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-15 20:51:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-15 20:51:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-15 20:51:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2022-10-15 20:51:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2022-10-15 20:51:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 20:51:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 20:51:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2022-10-15 20:51:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2022-10-15 20:51:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2022-10-15 20:51:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2022-10-15 20:51:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-15 20:51:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-15 20:51:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-15 20:51:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-15 20:51:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-10-15 20:51:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-10-15 20:51:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-15 20:51:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-15 20:51:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2022-10-15 20:51:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2022-10-15 20:51:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-10-15 20:51:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-10-15 20:51:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 20:51:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 20:51:58,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 20:51:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-15 20:51:58,737 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-15 20:51:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2022-10-15 20:51:58,737 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2022-10-15 20:51:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 20:51:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-15 20:51:58,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-15 20:51:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2022-10-15 20:51:58,738 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2022-10-15 20:51:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-10-15 20:51:58,739 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-10-15 20:51:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 20:51:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-10-15 20:51:58,739 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-10-15 20:51:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-10-15 20:51:58,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-10-15 20:51:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 20:51:58,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 20:51:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-15 20:51:58,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-15 20:51:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-15 20:51:58,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-15 20:51:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-15 20:51:58,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-15 20:51:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-15 20:51:58,741 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-15 20:51:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-15 20:51:58,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-15 20:51:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-10-15 20:51:58,742 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-10-15 20:51:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 20:51:58,742 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 20:51:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 20:51:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2022-10-15 20:51:58,743 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2022-10-15 20:51:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-10-15 20:51:58,743 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-10-15 20:51:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2022-10-15 20:51:58,744 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2022-10-15 20:51:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 20:51:58,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 20:51:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 20:51:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-15 20:51:58,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-15 20:51:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2022-10-15 20:51:58,745 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2022-10-15 20:51:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-15 20:51:58,745 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-15 20:51:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 20:51:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-15 20:51:58,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-15 20:51:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 20:51:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-10-15 20:51:58,746 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-10-15 20:51:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 20:51:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2022-10-15 20:51:58,746 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2022-10-15 20:51:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-10-15 20:51:58,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-10-15 20:51:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-15 20:51:58,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-15 20:51:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-10-15 20:51:58,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-10-15 20:51:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-10-15 20:51:58,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-10-15 20:51:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2022-10-15 20:51:58,748 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2022-10-15 20:51:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-10-15 20:51:58,748 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-10-15 20:51:58,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-15 20:51:58,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-15 20:51:58,749 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2022-10-15 20:51:58,749 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2022-10-15 20:51:58,749 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2022-10-15 20:51:58,749 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2022-10-15 20:51:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2022-10-15 20:51:58,750 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2022-10-15 20:51:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 20:51:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-10-15 20:51:58,750 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-10-15 20:51:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-15 20:51:58,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-15 20:51:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 20:51:58,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 20:51:59,686 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 20:51:59,691 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 20:52:00,061 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 20:52:25,160 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-15 20:52:25,274 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 20:52:25,296 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 20:52:25,297 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-15 20:52:25,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:52:25 BoogieIcfgContainer [2022-10-15 20:52:25,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 20:52:25,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 20:52:25,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 20:52:25,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 20:52:25,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:51:53" (1/3) ... [2022-10-15 20:52:25,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3194e11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:52:25, skipping insertion in model container [2022-10-15 20:52:25,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:57" (2/3) ... [2022-10-15 20:52:25,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3194e11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:52:25, skipping insertion in model container [2022-10-15 20:52:25,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:52:25" (3/3) ... [2022-10-15 20:52:25,315 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2022-10-15 20:52:25,341 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 20:52:25,342 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2022-10-15 20:52:25,449 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 20:52:25,459 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;@772f3682, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 20:52:25,459 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2022-10-15 20:52:25,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 1435 states, 993 states have (on average 1.3363544813695871) internal successors, (1327), 1025 states have internal predecessors, (1327), 355 states have call successors, (355), 65 states have call predecessors, (355), 64 states have return successors, (349), 348 states have call predecessors, (349), 349 states have call successors, (349) [2022-10-15 20:52:25,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-10-15 20:52:25,528 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:52:25,533 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:52:25,534 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-15 20:52:25,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:52:25,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1993709304, now seen corresponding path program 1 times [2022-10-15 20:52:25,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:52:25,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499187519] [2022-10-15 20:52:25,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:52:25,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:52:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:52:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:52:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:52:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:52:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:52:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:52:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:52:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:52:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:52:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-15 20:52:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-15 20:52:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-15 20:52:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-15 20:52:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-15 20:52:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-15 20:52:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 20:52:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-15 20:52:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-15 20:52:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-15 20:52:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-10-15 20:52:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-10-15 20:52:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-10-15 20:52:27,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:52:27,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499187519] [2022-10-15 20:52:27,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499187519] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:52:27,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:52:27,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 20:52:27,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113782276] [2022-10-15 20:52:27,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:52:27,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 20:52:27,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:52:27,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 20:52:27,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 20:52:27,866 INFO L87 Difference]: Start difference. First operand has 1435 states, 993 states have (on average 1.3363544813695871) internal successors, (1327), 1025 states have internal predecessors, (1327), 355 states have call successors, (355), 65 states have call predecessors, (355), 64 states have return successors, (349), 348 states have call predecessors, (349), 349 states have call successors, (349) Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-10-15 20:52:32,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:52:32,327 INFO L93 Difference]: Finished difference Result 3638 states and 5220 transitions. [2022-10-15 20:52:32,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 20:52:32,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 252 [2022-10-15 20:52:32,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:52:32,380 INFO L225 Difference]: With dead ends: 3638 [2022-10-15 20:52:32,380 INFO L226 Difference]: Without dead ends: 2172 [2022-10-15 20:52:32,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 20:52:32,403 INFO L413 NwaCegarLoop]: 2169 mSDtfsCounter, 1262 mSDsluCounter, 2571 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 607 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1416 SdHoareTripleChecker+Valid, 4740 SdHoareTripleChecker+Invalid, 1664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 607 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-10-15 20:52:32,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1416 Valid, 4740 Invalid, 1664 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [607 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-10-15 20:52:32,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2172 states. [2022-10-15 20:52:32,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2172 to 2131. [2022-10-15 20:52:32,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2131 states, 1519 states have (on average 1.3219223173140224) internal successors, (2008), 1554 states have internal predecessors, (2008), 492 states have call successors, (492), 96 states have call predecessors, (492), 96 states have return successors, (492), 489 states have call predecessors, (492), 492 states have call successors, (492) [2022-10-15 20:52:32,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 2131 states and 2992 transitions. [2022-10-15 20:52:32,719 INFO L78 Accepts]: Start accepts. Automaton has 2131 states and 2992 transitions. Word has length 252 [2022-10-15 20:52:32,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:52:32,722 INFO L495 AbstractCegarLoop]: Abstraction has 2131 states and 2992 transitions. [2022-10-15 20:52:32,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-10-15 20:52:32,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 2992 transitions. [2022-10-15 20:52:32,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-10-15 20:52:32,737 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:52:32,738 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:52:32,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 20:52:32,739 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-15 20:52:32,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:52:32,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1889290612, now seen corresponding path program 1 times [2022-10-15 20:52:32,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:52:32,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238395172] [2022-10-15 20:52:32,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:52:32,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:52:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:52:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:52:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:52:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:52:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:52:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:52:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:52:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:52:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:52:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-15 20:52:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-15 20:52:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-15 20:52:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-15 20:52:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-15 20:52:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-15 20:52:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 20:52:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-15 20:52:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-15 20:52:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-15 20:52:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-10-15 20:52:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:33,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-10-15 20:52:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:34,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:34,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 20:52:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:34,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 20:52:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:34,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-10-15 20:52:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:34,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-10-15 20:52:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:34,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-10-15 20:52:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:34,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2022-10-15 20:52:34,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:52:34,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238395172] [2022-10-15 20:52:34,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238395172] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:52:34,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:52:34,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 20:52:34,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180727965] [2022-10-15 20:52:34,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:52:34,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 20:52:34,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:52:34,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 20:52:34,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 20:52:34,110 INFO L87 Difference]: Start difference. First operand 2131 states and 2992 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-10-15 20:52:39,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 20:52:43,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 20:52:45,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []