/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-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:35:27,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:35:27,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:35:27,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:35:27,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:35:27,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:35:27,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:35:27,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:35:27,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:35:27,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:35:27,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:35:27,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:35:27,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:35:27,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:35:27,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:35:27,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:35:27,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:35:27,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:35:27,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:35:27,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:35:27,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:35:27,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:35:27,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:35:27,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:35:27,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:35:27,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:35:27,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:35:27,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:35:27,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:35:27,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:35:27,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:35:27,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:35:27,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:35:27,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:35:27,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:35:27,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:35:27,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:35:27,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:35:27,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:35:27,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:35:27,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:35:27,547 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 21:35:27,579 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:35:27,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:35:27,580 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:35:27,580 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:35:27,581 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:35:27,582 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:35:27,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:35:27,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:35:27,583 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:35:27,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:35:27,584 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:35:27,584 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:35:27,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:35:27,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:35:27,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:35:27,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:35:27,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:35:27,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:35:27,585 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:35:27,586 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:35:27,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:35:27,586 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:35:27,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:35:27,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:35:27,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:35:27,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:35:27,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:35:27,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:35:27,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:35:27,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:35:27,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:35:27,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:35:27,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:35:27,589 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:35:28,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:35:28,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:35:28,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:35:28,078 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:35:28,079 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:35:28,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-15 21:35:28,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8e726dc7/7c861d0426f145ea842afed3fd2390f2/FLAG2ced94763 [2022-10-15 21:35:29,417 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:35:29,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-15 21:35:29,487 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8e726dc7/7c861d0426f145ea842afed3fd2390f2/FLAG2ced94763 [2022-10-15 21:35:29,749 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8e726dc7/7c861d0426f145ea842afed3fd2390f2 [2022-10-15 21:35:29,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:35:29,759 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:35:29,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:35:29,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:35:29,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:35:29,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:35:29" (1/1) ... [2022-10-15 21:35:29,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fb95b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:35:29, skipping insertion in model container [2022-10-15 21:35:29,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:35:29" (1/1) ... [2022-10-15 21:35:29,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:35:29,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:35:32,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i[212825,212838] [2022-10-15 21:35:32,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:35:32,346 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:35:32,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i[212825,212838] [2022-10-15 21:35:32,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:35:33,122 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:35:33,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:35:33 WrapperNode [2022-10-15 21:35:33,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:35:33,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:35:33,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:35:33,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:35:33,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:35:33" (1/1) ... [2022-10-15 21:35:33,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:35:33" (1/1) ... [2022-10-15 21:35:33,527 INFO L138 Inliner]: procedures = 272, calls = 2464, calls flagged for inlining = 116, calls inlined = 95, statements flattened = 3987 [2022-10-15 21:35:33,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:35:33,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:35:33,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:35:33,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:35:33,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:35:33" (1/1) ... [2022-10-15 21:35:33,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:35:33" (1/1) ... [2022-10-15 21:35:33,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:35:33" (1/1) ... [2022-10-15 21:35:33,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:35:33" (1/1) ... [2022-10-15 21:35:33,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:35:33" (1/1) ... [2022-10-15 21:35:33,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:35:33" (1/1) ... [2022-10-15 21:35:33,731 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:35:33" (1/1) ... [2022-10-15 21:35:33,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:35:33" (1/1) ... [2022-10-15 21:35:33,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:35:33,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:35:33,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:35:33,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:35:33,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:35:33" (1/1) ... [2022-10-15 21:35:33,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:35:33,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:35:33,847 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 21:35:33,866 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 21:35:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-10-15 21:35:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-10-15 21:35:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-10-15 21:35:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-10-15 21:35:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-10-15 21:35:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-10-15 21:35:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-15 21:35:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:35:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:35:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:35:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:35:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-15 21:35:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-15 21:35:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2022-10-15 21:35:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2022-10-15 21:35:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-15 21:35:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-15 21:35:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-10-15 21:35:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-10-15 21:35:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:35:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:35:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2022-10-15 21:35:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2022-10-15 21:35:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-10-15 21:35:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-10-15 21:35:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:35:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:35:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:35:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:35:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2022-10-15 21:35:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2022-10-15 21:35:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2022-10-15 21:35:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2022-10-15 21:35:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_imon_context [2022-10-15 21:35:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_imon_context [2022-10-15 21:35:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:35:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:35:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-15 21:35:33,977 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-15 21:35:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:35:33,977 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:35:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_driver_lock [2022-10-15 21:35:33,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_driver_lock [2022-10-15 21:35:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:35:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-10-15 21:35:33,978 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-10-15 21:35:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:35:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2022-10-15 21:35:33,978 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2022-10-15 21:35:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-10-15 21:35:33,979 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-10-15 21:35:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:35:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:35:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-15 21:35:33,979 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-15 21:35:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:35:33,979 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:35:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-10-15 21:35:33,980 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-10-15 21:35:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2022-10-15 21:35:33,980 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2022-10-15 21:35:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-10-15 21:35:33,980 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-10-15 21:35:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-10-15 21:35:33,980 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-10-15 21:35:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:35:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2022-10-15 21:35:33,983 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2022-10-15 21:35:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-15 21:35:33,983 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-15 21:35:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:35:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2022-10-15 21:35:33,984 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2022-10-15 21:35:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-10-15 21:35:33,984 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-10-15 21:35:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:35:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-15 21:35:33,984 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-15 21:35:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-10-15 21:35:33,985 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-10-15 21:35:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 21:35:33,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 21:35:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure lcd_write [2022-10-15 21:35:33,985 INFO L138 BoogieDeclarations]: Found implementation of procedure lcd_write [2022-10-15 21:35:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-15 21:35:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-15 21:35:33,990 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-15 21:35:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-15 21:35:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-10-15 21:35:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-10-15 21:35:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:35:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:35:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:35:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2022-10-15 21:35:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2022-10-15 21:35:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-10-15 21:35:33,992 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-10-15 21:35:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2022-10-15 21:35:33,992 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2022-10-15 21:35:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:35:33,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:35:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-15 21:35:33,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-15 21:35:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure free_imon_context [2022-10-15 21:35:33,993 INFO L138 BoogieDeclarations]: Found implementation of procedure free_imon_context [2022-10-15 21:35:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:35:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-10-15 21:35:33,993 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-10-15 21:35:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-15 21:35:33,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-15 21:35:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2022-10-15 21:35:33,994 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2022-10-15 21:35:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_imon_context [2022-10-15 21:35:33,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_imon_context [2022-10-15 21:35:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-15 21:35:33,995 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-15 21:35:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:35:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure vfd_write [2022-10-15 21:35:33,995 INFO L138 BoogieDeclarations]: Found implementation of procedure vfd_write [2022-10-15 21:35:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:35:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-10-15 21:35:33,996 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-10-15 21:35:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:35:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-10-15 21:35:33,996 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-10-15 21:35:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2022-10-15 21:35:33,996 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2022-10-15 21:35:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2022-10-15 21:35:33,997 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2022-10-15 21:35:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-10-15 21:35:33,997 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-10-15 21:35:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_driver_lock [2022-10-15 21:35:33,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_driver_lock [2022-10-15 21:35:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2022-10-15 21:35:33,997 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2022-10-15 21:35:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2022-10-15 21:35:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2022-10-15 21:35:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2022-10-15 21:35:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2022-10-15 21:35:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:35:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-10-15 21:35:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-10-15 21:35:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:35:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:35:34,646 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:35:34,651 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:35:35,428 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:35:41,114 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:35:41,132 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:35:41,133 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:35:41,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:35:41 BoogieIcfgContainer [2022-10-15 21:35:41,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:35:41,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:35:41,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:35:41,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:35:41,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:35:29" (1/3) ... [2022-10-15 21:35:41,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cdf2a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:35:41, skipping insertion in model container [2022-10-15 21:35:41,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:35:33" (2/3) ... [2022-10-15 21:35:41,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cdf2a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:35:41, skipping insertion in model container [2022-10-15 21:35:41,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:35:41" (3/3) ... [2022-10-15 21:35:41,153 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-15 21:35:41,175 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:35:41,175 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-10-15 21:35:41,283 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:35:41,291 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;@274d61b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:35:41,292 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2022-10-15 21:35:41,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 1216 states, 834 states have (on average 1.3872901678657075) internal successors, (1157), 893 states have internal predecessors, (1157), 281 states have call successors, (281), 63 states have call predecessors, (281), 62 states have return successors, (274), 273 states have call predecessors, (274), 274 states have call successors, (274) [2022-10-15 21:35:41,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-10-15 21:35:41,330 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:35:41,332 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:35:41,332 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vfd_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vfd_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, vfd_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:35:41,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:35:41,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1804059351, now seen corresponding path program 1 times [2022-10-15 21:35:41,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:35:41,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539432428] [2022-10-15 21:35:41,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:35:41,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:35:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:35:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 21:35:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:35:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:35:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-15 21:35:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-15 21:35:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-15 21:35:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-15 21:35:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-15 21:35:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-15 21:35:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-15 21:35:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:42,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-15 21:35:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:43,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 21:35:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:43,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-10-15 21:35:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:43,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-10-15 21:35:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:43,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-10-15 21:35:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:43,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-10-15 21:35:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:43,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-10-15 21:35:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:43,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-10-15 21:35:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:43,172 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2022-10-15 21:35:43,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:35:43,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539432428] [2022-10-15 21:35:43,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539432428] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:35:43,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:35:43,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:35:43,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59656277] [2022-10-15 21:35:43,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:35:43,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:35:43,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:35:43,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:35:43,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:35:43,238 INFO L87 Difference]: Start difference. First operand has 1216 states, 834 states have (on average 1.3872901678657075) internal successors, (1157), 893 states have internal predecessors, (1157), 281 states have call successors, (281), 63 states have call predecessors, (281), 62 states have return successors, (274), 273 states have call predecessors, (274), 274 states have call successors, (274) Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-10-15 21:35:46,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:35:49,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:35:49,680 INFO L93 Difference]: Finished difference Result 2511 states and 3693 transitions. [2022-10-15 21:35:49,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:35:49,684 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 223 [2022-10-15 21:35:49,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:35:49,719 INFO L225 Difference]: With dead ends: 2511 [2022-10-15 21:35:49,719 INFO L226 Difference]: Without dead ends: 1271 [2022-10-15 21:35:49,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:35:49,748 INFO L413 NwaCegarLoop]: 1607 mSDtfsCounter, 848 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 1281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 891 SdHoareTripleChecker+Valid, 2491 SdHoareTripleChecker+Invalid, 1824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1281 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:35:49,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [891 Valid, 2491 Invalid, 1824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1281 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-10-15 21:35:49,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1271 states. [2022-10-15 21:35:49,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1271 to 1187. [2022-10-15 21:35:49,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 821 states have (on average 1.3568818514007308) internal successors, (1114), 865 states have internal predecessors, (1114), 267 states have call successors, (267), 61 states have call predecessors, (267), 61 states have return successors, (267), 266 states have call predecessors, (267), 267 states have call successors, (267) [2022-10-15 21:35:49,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1648 transitions. [2022-10-15 21:35:49,999 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1648 transitions. Word has length 223 [2022-10-15 21:35:50,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:35:50,001 INFO L495 AbstractCegarLoop]: Abstraction has 1187 states and 1648 transitions. [2022-10-15 21:35:50,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-10-15 21:35:50,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1648 transitions. [2022-10-15 21:35:50,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-10-15 21:35:50,018 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:35:50,019 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:35:50,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:35:50,020 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vfd_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vfd_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, vfd_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:35:50,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:35:50,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1315934249, now seen corresponding path program 1 times [2022-10-15 21:35:50,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:35:50,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023561435] [2022-10-15 21:35:50,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:35:50,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:35:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:35:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 21:35:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:35:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:35:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-15 21:35:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-15 21:35:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-15 21:35:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-15 21:35:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-15 21:35:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-15 21:35:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-15 21:35:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-15 21:35:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 21:35:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-10-15 21:35:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-10-15 21:35:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-10-15 21:35:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-10-15 21:35:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-10-15 21:35:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-10-15 21:35:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:50,926 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2022-10-15 21:35:50,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:35:50,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023561435] [2022-10-15 21:35:50,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023561435] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:35:50,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:35:50,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:35:50,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167499507] [2022-10-15 21:35:50,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:35:50,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:35:50,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:35:50,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:35:50,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:35:50,931 INFO L87 Difference]: Start difference. First operand 1187 states and 1648 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-10-15 21:35:59,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:35:59,740 INFO L93 Difference]: Finished difference Result 3536 states and 4975 transitions. [2022-10-15 21:35:59,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:35:59,741 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 223 [2022-10-15 21:35:59,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:35:59,777 INFO L225 Difference]: With dead ends: 3536 [2022-10-15 21:35:59,777 INFO L226 Difference]: Without dead ends: 2393 [2022-10-15 21:35:59,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-10-15 21:35:59,790 INFO L413 NwaCegarLoop]: 1762 mSDtfsCounter, 2944 mSDsluCounter, 2039 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 2479 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3175 SdHoareTripleChecker+Valid, 3801 SdHoareTripleChecker+Invalid, 3743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2479 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:35:59,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3175 Valid, 3801 Invalid, 3743 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2479 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2022-10-15 21:35:59,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2393 states. [2022-10-15 21:35:59,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2393 to 2205. [2022-10-15 21:35:59,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2205 states, 1549 states have (on average 1.3524854744996773) internal successors, (2095), 1601 states have internal predecessors, (2095), 498 states have call successors, (498), 120 states have call predecessors, (498), 120 states have return successors, (498), 495 states have call predecessors, (498), 498 states have call successors, (498) [2022-10-15 21:35:59,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 2205 states and 3091 transitions. [2022-10-15 21:35:59,986 INFO L78 Accepts]: Start accepts. Automaton has 2205 states and 3091 transitions. Word has length 223 [2022-10-15 21:35:59,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:35:59,990 INFO L495 AbstractCegarLoop]: Abstraction has 2205 states and 3091 transitions. [2022-10-15 21:35:59,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-10-15 21:35:59,992 INFO L276 IsEmpty]: Start isEmpty. Operand 2205 states and 3091 transitions. [2022-10-15 21:35:59,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-10-15 21:36:00,000 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:36:00,000 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:36:00,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:36:00,001 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [vfd_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vfd_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, vfd_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:36:00,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:36:00,002 INFO L85 PathProgramCache]: Analyzing trace with hash 67787387, now seen corresponding path program 1 times [2022-10-15 21:36:00,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:36:00,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290809677] [2022-10-15 21:36:00,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:36:00,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:36:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:36:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:36:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:36:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 21:36:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:36:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:36:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:36:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:36:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:36:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:36:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:36:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:36:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-15 21:36:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:36:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:36:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-15 21:36:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:36:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:36:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-15 21:36:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:36:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:36:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-15 21:36:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:36:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:36:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-15 21:36:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:36:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:36:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-15 21:36:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-15 21:36:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-15 21:36:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 21:36:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-10-15 21:36:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-10-15 21:36:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-10-15 21:36:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-10-15 21:36:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-10-15 21:36:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-10-15 21:36:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:00,966 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2022-10-15 21:36:00,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:36:00,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290809677] [2022-10-15 21:36:00,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290809677] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:36:00,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:36:00,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:36:00,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640737385] [2022-10-15 21:36:00,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:36:00,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:36:00,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:36:00,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:36:00,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:36:00,970 INFO L87 Difference]: Start difference. First operand 2205 states and 3091 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-10-15 21:36:02,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:36:09,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:36:09,568 INFO L93 Difference]: Finished difference Result 6604 states and 9355 transitions. [2022-10-15 21:36:09,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:36:09,569 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 229 [2022-10-15 21:36:09,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:36:09,606 INFO L225 Difference]: With dead ends: 6604 [2022-10-15 21:36:09,606 INFO L226 Difference]: Without dead ends: 4443 [2022-10-15 21:36:09,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-10-15 21:36:09,620 INFO L413 NwaCegarLoop]: 1951 mSDtfsCounter, 2531 mSDsluCounter, 2226 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 1766 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2768 SdHoareTripleChecker+Valid, 4177 SdHoareTripleChecker+Invalid, 3215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1766 IncrementalHoareTripleChecker+Valid, 1449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:36:09,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2768 Valid, 4177 Invalid, 3215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1766 Valid, 1449 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2022-10-15 21:36:09,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4443 states. [2022-10-15 21:36:09,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4443 to 4125. [2022-10-15 21:36:09,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4125 states, 2936 states have (on average 1.3525204359673024) internal successors, (3971), 3002 states have internal predecessors, (3971), 918 states have call successors, (918), 233 states have call predecessors, (918), 233 states have return successors, (918), 913 states have call predecessors, (918), 918 states have call successors, (918) [2022-10-15 21:36:09,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4125 states to 4125 states and 5807 transitions. [2022-10-15 21:36:09,871 INFO L78 Accepts]: Start accepts. Automaton has 4125 states and 5807 transitions. Word has length 229 [2022-10-15 21:36:09,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:36:09,873 INFO L495 AbstractCegarLoop]: Abstraction has 4125 states and 5807 transitions. [2022-10-15 21:36:09,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-10-15 21:36:09,874 INFO L276 IsEmpty]: Start isEmpty. Operand 4125 states and 5807 transitions. [2022-10-15 21:36:09,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-10-15 21:36:09,879 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:36:09,880 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:36:09,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:36:09,880 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vfd_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vfd_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, vfd_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:36:09,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:36:09,881 INFO L85 PathProgramCache]: Analyzing trace with hash -836239895, now seen corresponding path program 1 times [2022-10-15 21:36:09,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:36:09,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833422488] [2022-10-15 21:36:09,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:36:09,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:36:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:36:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:36:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:36:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 21:36:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:36:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:36:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:36:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:36:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:36:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:36:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:36:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:36:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-15 21:36:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:36:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:36:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-15 21:36:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:36:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:36:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-15 21:36:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:36:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:36:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-15 21:36:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:36:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:36:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-15 21:36:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:36:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:36:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-15 21:36:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-15 21:36:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-15 21:36:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 21:36:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-10-15 21:36:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-10-15 21:36:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-10-15 21:36:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-10-15 21:36:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-10-15 21:36:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-10-15 21:36:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:36:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:36:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:36:10,769 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2022-10-15 21:36:10,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:36:10,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833422488] [2022-10-15 21:36:10,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833422488] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:36:10,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:36:10,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:36:10,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989135930] [2022-10-15 21:36:10,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:36:10,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:36:10,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:36:10,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:36:10,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:36:10,774 INFO L87 Difference]: Start difference. First operand 4125 states and 5807 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)