/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-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:05:04,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:05:04,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:05:04,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 14:05:04,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 14:05:04,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 14:05:04,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 14:05:04,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 14:05:04,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 14:05:04,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 14:05:04,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 14:05:04,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 14:05:04,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 14:05:04,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 14:05:04,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 14:05:04,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 14:05:04,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 14:05:04,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 14:05:04,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 14:05:04,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 14:05:04,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 14:05:04,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 14:05:04,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 14:05:04,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 14:05:04,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 14:05:04,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 14:05:04,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 14:05:04,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 14:05:04,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 14:05:04,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 14:05:04,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 14:05:04,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 14:05:04,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 14:05:04,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 14:05:04,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 14:05:04,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 14:05:04,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 14:05:04,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 14:05:04,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:05:04,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:05:04,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:05:04,625 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 [2022-10-16 14:05:04,684 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:05:04,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:05:04,685 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:05:04,685 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:05:04,687 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:05:04,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:05:04,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:05:04,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:05:04,691 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:05:04,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:05:04,692 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:05:04,693 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:05:04,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:05:04,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:05:04,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:05:04,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:05:04,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:05:04,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:05:04,694 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:05:04,694 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:05:04,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:05:04,695 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:05:04,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:05:04,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:05:04,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:05:04,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:05:04,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:05:04,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:05:04,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:05:04,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:05:04,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:05:04,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:05:04,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:05:04,698 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:05:05,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:05:05,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:05:05,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:05:05,126 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:05:05,127 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:05:05,128 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2022-10-16 14:05:05,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3396618e/1c24fbfea3614d1ca503bd8393de5c68/FLAGd5462bf96 [2022-10-16 14:05:06,212 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:05:06,214 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2022-10-16 14:05:06,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3396618e/1c24fbfea3614d1ca503bd8393de5c68/FLAGd5462bf96 [2022-10-16 14:05:06,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3396618e/1c24fbfea3614d1ca503bd8393de5c68 [2022-10-16 14:05:06,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:05:06,702 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:05:06,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:05:06,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:05:06,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:05:06,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:05:06" (1/1) ... [2022-10-16 14:05:06,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59447b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:06, skipping insertion in model container [2022-10-16 14:05:06,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:05:06" (1/1) ... [2022-10-16 14:05:06,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:05:06,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:05:07,642 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-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i[88044,88057] [2022-10-16 14:05:08,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:05:08,332 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:05:08,468 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-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i[88044,88057] [2022-10-16 14:05:08,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:05:08,899 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:05:08,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:08 WrapperNode [2022-10-16 14:05:08,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:05:08,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:05:08,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:05:08,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:05:08,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:08" (1/1) ... [2022-10-16 14:05:09,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:08" (1/1) ... [2022-10-16 14:05:09,276 INFO L138 Inliner]: procedures = 203, calls = 1280, calls flagged for inlining = 87, calls inlined = 87, statements flattened = 3621 [2022-10-16 14:05:09,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:05:09,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:05:09,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:05:09,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:05:09,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:08" (1/1) ... [2022-10-16 14:05:09,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:08" (1/1) ... [2022-10-16 14:05:09,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:08" (1/1) ... [2022-10-16 14:05:09,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:08" (1/1) ... [2022-10-16 14:05:09,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:08" (1/1) ... [2022-10-16 14:05:09,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:08" (1/1) ... [2022-10-16 14:05:09,522 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:08" (1/1) ... [2022-10-16 14:05:09,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:08" (1/1) ... [2022-10-16 14:05:09,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:05:09,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:05:09,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:05:09,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:05:09,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:08" (1/1) ... [2022-10-16 14:05:09,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:05:09,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:05:09,653 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) [2022-10-16 14:05:09,665 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 [2022-10-16 14:05:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2022-10-16 14:05:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2022-10-16 14:05:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-10-16 14:05:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-10-16 14:05:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 14:05:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 14:05:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 14:05:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 14:05:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2022-10-16 14:05:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2022-10-16 14:05:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2022-10-16 14:05:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2022-10-16 14:05:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2022-10-16 14:05:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2022-10-16 14:05:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-16 14:05:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-16 14:05:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 14:05:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 14:05:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2022-10-16 14:05:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2022-10-16 14:05:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2022-10-16 14:05:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2022-10-16 14:05:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-10-16 14:05:09,726 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-10-16 14:05:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2022-10-16 14:05:09,726 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2022-10-16 14:05:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 14:05:09,726 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 14:05:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 14:05:09,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 14:05:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2022-10-16 14:05:09,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2022-10-16 14:05:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 14:05:09,727 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 14:05:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 14:05:09,727 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 14:05:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-10-16 14:05:09,727 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-10-16 14:05:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2022-10-16 14:05:09,728 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2022-10-16 14:05:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 14:05:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-16 14:05:09,728 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-16 14:05:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 14:05:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2022-10-16 14:05:09,728 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2022-10-16 14:05:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2022-10-16 14:05:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2022-10-16 14:05:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-16 14:05:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-16 14:05:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-16 14:05:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-16 14:05:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-10-16 14:05:09,730 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-10-16 14:05:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 14:05:09,730 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 14:05:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 14:05:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 14:05:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-10-16 14:05:09,731 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-10-16 14:05:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-16 14:05:09,731 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-16 14:05:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-16 14:05:09,731 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-16 14:05:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-10-16 14:05:09,731 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-10-16 14:05:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-16 14:05:09,732 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-16 14:05:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-16 14:05:09,732 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-16 14:05:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2022-10-16 14:05:09,732 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2022-10-16 14:05:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-16 14:05:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-16 14:05:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-16 14:05:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-10-16 14:05:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 14:05:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 14:05:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 14:05:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-16 14:05:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-16 14:05:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-16 14:05:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-16 14:05:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-16 14:05:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-16 14:05:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 14:05:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 14:05:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2022-10-16 14:05:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2022-10-16 14:05:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 14:05:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 14:05:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2022-10-16 14:05:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2022-10-16 14:05:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-10-16 14:05:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-10-16 14:05:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 14:05:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2022-10-16 14:05:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2022-10-16 14:05:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2022-10-16 14:05:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2022-10-16 14:05:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2022-10-16 14:05:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2022-10-16 14:05:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 14:05:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 14:05:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure printer_write [2022-10-16 14:05:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_write [2022-10-16 14:05:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 14:05:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-10-16 14:05:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2022-10-16 14:05:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2022-10-16 14:05:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-10-16 14:05:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2022-10-16 14:05:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2022-10-16 14:05:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-16 14:05:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-10-16 14:05:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:05:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 14:05:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 14:05:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2022-10-16 14:05:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2022-10-16 14:05:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2022-10-16 14:05:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2022-10-16 14:05:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-10-16 14:05:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-10-16 14:05:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-16 14:05:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-16 14:05:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-10-16 14:05:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-10-16 14:05:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2022-10-16 14:05:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2022-10-16 14:05:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-10-16 14:05:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-10-16 14:05:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-16 14:05:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-16 14:05:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2022-10-16 14:05:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2022-10-16 14:05:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2022-10-16 14:05:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2022-10-16 14:05:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 14:05:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 14:05:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2022-10-16 14:05:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2022-10-16 14:05:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-16 14:05:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-16 14:05:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2022-10-16 14:05:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2022-10-16 14:05:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:05:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-10-16 14:05:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-10-16 14:05:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:05:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:05:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 14:05:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 14:05:10,458 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:05:10,465 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:05:10,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 14:05:30,662 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:05:30,684 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:05:30,684 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 14:05:30,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:05:30 BoogieIcfgContainer [2022-10-16 14:05:30,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:05:30,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:05:30,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:05:30,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:05:30,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:05:06" (1/3) ... [2022-10-16 14:05:30,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91f4c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:05:30, skipping insertion in model container [2022-10-16 14:05:30,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:08" (2/3) ... [2022-10-16 14:05:30,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91f4c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:05:30, skipping insertion in model container [2022-10-16 14:05:30,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:05:30" (3/3) ... [2022-10-16 14:05:30,700 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2022-10-16 14:05:30,728 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:05:30,728 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-10-16 14:05:30,845 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:05:30,855 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;@6d05ac65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:05:30,855 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-10-16 14:05:30,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 1378 states, 962 states have (on average 1.4282744282744282) internal successors, (1374), 1030 states have internal predecessors, (1374), 323 states have call successors, (323), 67 states have call predecessors, (323), 66 states have return successors, (319), 316 states have call predecessors, (319), 319 states have call successors, (319) [2022-10-16 14:05:30,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 14:05:30,892 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:05:30,893 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:05:30,894 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting printer_setupErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [printer_setupErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printer_setupErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printer_setupErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 14:05:30,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:05:30,900 INFO L85 PathProgramCache]: Analyzing trace with hash -610689723, now seen corresponding path program 1 times [2022-10-16 14:05:30,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:05:30,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426598200] [2022-10-16 14:05:30,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:05:30,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:05:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:32,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:05:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:32,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 14:05:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:32,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:05:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:32,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:05:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:32,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 14:05:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:32,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:05:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:32,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-16 14:05:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:32,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:05:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:32,202 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-16 14:05:32,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:05:32,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426598200] [2022-10-16 14:05:32,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426598200] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:05:32,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:05:32,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:05:32,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250929103] [2022-10-16 14:05:32,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:05:32,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:05:32,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:05:32,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:05:32,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:05:32,278 INFO L87 Difference]: Start difference. First operand has 1378 states, 962 states have (on average 1.4282744282744282) internal successors, (1374), 1030 states have internal predecessors, (1374), 323 states have call successors, (323), 67 states have call predecessors, (323), 66 states have return successors, (319), 316 states have call predecessors, (319), 319 states have call successors, (319) Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 14:05:34,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:05:42,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:05:42,615 INFO L93 Difference]: Finished difference Result 3759 states and 5672 transitions. [2022-10-16 14:05:42,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:05:42,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 66 [2022-10-16 14:05:42,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:05:42,671 INFO L225 Difference]: With dead ends: 3759 [2022-10-16 14:05:42,671 INFO L226 Difference]: Without dead ends: 2297 [2022-10-16 14:05:42,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:05:42,704 INFO L413 NwaCegarLoop]: 1952 mSDtfsCounter, 2195 mSDsluCounter, 2342 mSDsCounter, 0 mSdLazyCounter, 1662 mSolverCounterSat, 1400 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2420 SdHoareTripleChecker+Valid, 4294 SdHoareTripleChecker+Invalid, 3063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1400 IncrementalHoareTripleChecker+Valid, 1662 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:05:42,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2420 Valid, 4294 Invalid, 3063 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1400 Valid, 1662 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2022-10-16 14:05:42,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2297 states. [2022-10-16 14:05:42,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2297 to 1803. [2022-10-16 14:05:42,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1803 states, 1237 states have (on average 1.333872271624899) internal successors, (1650), 1288 states have internal predecessors, (1650), 449 states have call successors, (449), 99 states have call predecessors, (449), 99 states have return successors, (449), 446 states have call predecessors, (449), 449 states have call successors, (449) [2022-10-16 14:05:42,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1803 states and 2548 transitions. [2022-10-16 14:05:42,993 INFO L78 Accepts]: Start accepts. Automaton has 1803 states and 2548 transitions. Word has length 66 [2022-10-16 14:05:42,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:05:42,997 INFO L495 AbstractCegarLoop]: Abstraction has 1803 states and 2548 transitions. [2022-10-16 14:05:42,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 14:05:42,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2548 transitions. [2022-10-16 14:05:43,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 14:05:43,012 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:05:43,013 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:05:43,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:05:43,014 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [printer_setupErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printer_setupErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printer_setupErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 14:05:43,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:05:43,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1900368481, now seen corresponding path program 1 times [2022-10-16 14:05:43,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:05:43,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657456104] [2022-10-16 14:05:43,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:05:43,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:05:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:43,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:05:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:43,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 14:05:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:43,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:05:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:43,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:05:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:43,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 14:05:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:43,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:05:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:43,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 14:05:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:43,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:05:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:43,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:05:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:43,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:05:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:43,781 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-16 14:05:43,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:05:43,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657456104] [2022-10-16 14:05:43,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657456104] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:05:43,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:05:43,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:05:43,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899367248] [2022-10-16 14:05:43,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:05:43,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:05:43,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:05:43,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:05:43,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:05:43,787 INFO L87 Difference]: Start difference. First operand 1803 states and 2548 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 14:05:45,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:05:47,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:05:59,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:05:59,788 INFO L93 Difference]: Finished difference Result 4875 states and 6945 transitions. [2022-10-16 14:05:59,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:05:59,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 69 [2022-10-16 14:05:59,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:05:59,820 INFO L225 Difference]: With dead ends: 4875 [2022-10-16 14:05:59,820 INFO L226 Difference]: Without dead ends: 3097 [2022-10-16 14:05:59,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:05:59,835 INFO L413 NwaCegarLoop]: 1841 mSDtfsCounter, 2431 mSDsluCounter, 2857 mSDsCounter, 0 mSdLazyCounter, 2150 mSolverCounterSat, 1461 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2552 SdHoareTripleChecker+Valid, 4698 SdHoareTripleChecker+Invalid, 3613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1461 IncrementalHoareTripleChecker+Valid, 2150 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:05:59,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2552 Valid, 4698 Invalid, 3613 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1461 Valid, 2150 Invalid, 2 Unknown, 0 Unchecked, 15.3s Time] [2022-10-16 14:05:59,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3097 states. [2022-10-16 14:05:59,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3097 to 2799. [2022-10-16 14:06:00,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2799 states, 1967 states have (on average 1.3274021352313168) internal successors, (2611), 2038 states have internal predecessors, (2611), 640 states have call successors, (640), 161 states have call predecessors, (640), 174 states have return successors, (710), 641 states have call predecessors, (710), 640 states have call successors, (710) [2022-10-16 14:06:00,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 3961 transitions. [2022-10-16 14:06:00,028 INFO L78 Accepts]: Start accepts. Automaton has 2799 states and 3961 transitions. Word has length 69 [2022-10-16 14:06:00,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:06:00,029 INFO L495 AbstractCegarLoop]: Abstraction has 2799 states and 3961 transitions. [2022-10-16 14:06:00,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 14:06:00,029 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3961 transitions. [2022-10-16 14:06:00,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 14:06:00,032 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:06:00,032 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:06:00,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:06:00,033 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting printer_setupErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [printer_setupErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printer_setupErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printer_setupErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 14:06:00,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:06:00,034 INFO L85 PathProgramCache]: Analyzing trace with hash -387958375, now seen corresponding path program 1 times [2022-10-16 14:06:00,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:06:00,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970305360] [2022-10-16 14:06:00,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:00,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:06:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:00,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:06:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:00,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 14:06:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:00,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:06:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:00,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:06:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:00,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 14:06:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:00,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:06:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:00,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 14:06:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:00,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 14:06:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:00,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:00,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 14:06:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:00,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-16 14:06:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:00,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:00,837 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-10-16 14:06:00,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:06:00,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970305360] [2022-10-16 14:06:00,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970305360] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:06:00,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:06:00,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:06:00,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073872083] [2022-10-16 14:06:00,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:06:00,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:06:00,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:06:00,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:06:00,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:06:00,841 INFO L87 Difference]: Start difference. First operand 2799 states and 3961 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-16 14:06:02,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:06:04,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:06:06,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:06:19,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:06:19,015 INFO L93 Difference]: Finished difference Result 7556 states and 10823 transitions. [2022-10-16 14:06:19,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:06:19,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 105 [2022-10-16 14:06:19,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:06:19,064 INFO L225 Difference]: With dead ends: 7556 [2022-10-16 14:06:19,064 INFO L226 Difference]: Without dead ends: 4782 [2022-10-16 14:06:19,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:06:19,095 INFO L413 NwaCegarLoop]: 2434 mSDtfsCounter, 2340 mSDsluCounter, 3556 mSDsCounter, 0 mSdLazyCounter, 2374 mSolverCounterSat, 852 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2612 SdHoareTripleChecker+Valid, 5990 SdHoareTripleChecker+Invalid, 3229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 852 IncrementalHoareTripleChecker+Valid, 2374 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:06:19,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2612 Valid, 5990 Invalid, 3229 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [852 Valid, 2374 Invalid, 3 Unknown, 0 Unchecked, 17.5s Time] [2022-10-16 14:06:19,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4782 states. [2022-10-16 14:06:19,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4782 to 4232. [2022-10-16 14:06:19,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4232 states, 3053 states have (on average 1.3475270226007205) internal successors, (4114), 3157 states have internal predecessors, (4114), 904 states have call successors, (904), 241 states have call predecessors, (904), 257 states have return successors, (1005), 899 states have call predecessors, (1005), 904 states have call successors, (1005) [2022-10-16 14:06:19,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4232 states to 4232 states and 6023 transitions. [2022-10-16 14:06:19,453 INFO L78 Accepts]: Start accepts. Automaton has 4232 states and 6023 transitions. Word has length 105 [2022-10-16 14:06:19,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:06:19,456 INFO L495 AbstractCegarLoop]: Abstraction has 4232 states and 6023 transitions. [2022-10-16 14:06:19,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-16 14:06:19,457 INFO L276 IsEmpty]: Start isEmpty. Operand 4232 states and 6023 transitions. [2022-10-16 14:06:19,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-16 14:06:19,467 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:06:19,468 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:06:19,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 14:06:19,468 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [printer_setupErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printer_setupErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printer_setupErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 14:06:19,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:06:19,469 INFO L85 PathProgramCache]: Analyzing trace with hash -542628511, now seen corresponding path program 1 times [2022-10-16 14:06:19,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:06:19,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525985550] [2022-10-16 14:06:19,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:19,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:06:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:20,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:06:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:20,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 14:06:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:20,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:06:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:20,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:06:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:20,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 14:06:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:20,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:06:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:20,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 14:06:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:20,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 14:06:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:20,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:20,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 14:06:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:20,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 14:06:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:20,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:20,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:20,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 14:06:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:20,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 14:06:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:20,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:06:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:20,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 14:06:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:20,541 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2022-10-16 14:06:20,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:06:20,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525985550] [2022-10-16 14:06:20,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525985550] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:06:20,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:06:20,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:06:20,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787505527] [2022-10-16 14:06:20,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:06:20,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:06:20,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:06:20,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:06:20,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:06:20,545 INFO L87 Difference]: Start difference. First operand 4232 states and 6023 transitions. Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 14:06:22,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:06:32,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:06:32,573 INFO L93 Difference]: Finished difference Result 6370 states and 9100 transitions. [2022-10-16 14:06:32,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:06:32,574 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 135 [2022-10-16 14:06:32,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:06:32,623 INFO L225 Difference]: With dead ends: 6370 [2022-10-16 14:06:32,623 INFO L226 Difference]: Without dead ends: 6364 [2022-10-16 14:06:32,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:06:32,630 INFO L413 NwaCegarLoop]: 2296 mSDtfsCounter, 3900 mSDsluCounter, 2555 mSDsCounter, 0 mSdLazyCounter, 2033 mSolverCounterSat, 2117 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4178 SdHoareTripleChecker+Valid, 4851 SdHoareTripleChecker+Invalid, 4151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2117 IncrementalHoareTripleChecker+Valid, 2033 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:06:32,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4178 Valid, 4851 Invalid, 4151 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2117 Valid, 2033 Invalid, 1 Unknown, 0 Unchecked, 11.3s Time] [2022-10-16 14:06:32,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6364 states. [2022-10-16 14:06:33,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6364 to 5488. [2022-10-16 14:06:33,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5488 states, 3929 states have (on average 1.3283278187834056) internal successors, (5219), 4060 states have internal predecessors, (5219), 1195 states have call successors, (1195), 331 states have call predecessors, (1195), 346 states have return successors, (1298), 1182 states have call predecessors, (1298), 1195 states have call successors, (1298) [2022-10-16 14:06:33,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5488 states to 5488 states and 7712 transitions. [2022-10-16 14:06:33,120 INFO L78 Accepts]: Start accepts. Automaton has 5488 states and 7712 transitions. Word has length 135 [2022-10-16 14:06:33,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:06:33,123 INFO L495 AbstractCegarLoop]: Abstraction has 5488 states and 7712 transitions. [2022-10-16 14:06:33,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 14:06:33,123 INFO L276 IsEmpty]: Start isEmpty. Operand 5488 states and 7712 transitions. [2022-10-16 14:06:33,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-10-16 14:06:33,131 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:06:33,131 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:06:33,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 14:06:33,132 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting printer_setupErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [printer_setupErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printer_setupErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printer_setupErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 14:06:33,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:06:33,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1119174349, now seen corresponding path program 1 times [2022-10-16 14:06:33,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:06:33,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168334019] [2022-10-16 14:06:33,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:33,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:06:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:33,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:06:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:33,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 14:06:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:33,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:06:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:33,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:06:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:33,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 14:06:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:33,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:06:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:34,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 14:06:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:34,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 14:06:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:34,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:34,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 14:06:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:34,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 14:06:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:34,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:34,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:34,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 14:06:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:34,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 14:06:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:34,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:06:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:34,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 14:06:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:34,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 14:06:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:34,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:34,338 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-10-16 14:06:34,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:06:34,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168334019] [2022-10-16 14:06:34,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168334019] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:06:34,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:06:34,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 14:06:34,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567631570] [2022-10-16 14:06:34,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:06:34,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 14:06:34,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:06:34,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 14:06:34,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:06:34,341 INFO L87 Difference]: Start difference. First operand 5488 states and 7712 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-16 14:06:36,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:06:38,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:06:40,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:07:00,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:07:00,061 INFO L93 Difference]: Finished difference Result 13359 states and 18964 transitions. [2022-10-16 14:07:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 14:07:00,062 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2022-10-16 14:07:00,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:07:00,225 INFO L225 Difference]: With dead ends: 13359 [2022-10-16 14:07:00,226 INFO L226 Difference]: Without dead ends: 9150 [2022-10-16 14:07:00,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:07:00,250 INFO L413 NwaCegarLoop]: 2756 mSDtfsCounter, 2619 mSDsluCounter, 7157 mSDsCounter, 0 mSdLazyCounter, 5513 mSolverCounterSat, 1344 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2892 SdHoareTripleChecker+Valid, 9913 SdHoareTripleChecker+Invalid, 6860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1344 IncrementalHoareTripleChecker+Valid, 5513 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:07:00,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2892 Valid, 9913 Invalid, 6860 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1344 Valid, 5513 Invalid, 3 Unknown, 0 Unchecked, 24.5s Time] [2022-10-16 14:07:00,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9150 states. [2022-10-16 14:07:00,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9150 to 5496. [2022-10-16 14:07:00,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5496 states, 3935 states have (on average 1.3278271918678526) internal successors, (5225), 4066 states have internal predecessors, (5225), 1195 states have call successors, (1195), 331 states have call predecessors, (1195), 348 states have return successors, (1302), 1184 states have call predecessors, (1302), 1195 states have call successors, (1302) [2022-10-16 14:07:00,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5496 states to 5496 states and 7722 transitions. [2022-10-16 14:07:00,861 INFO L78 Accepts]: Start accepts. Automaton has 5496 states and 7722 transitions. Word has length 163 [2022-10-16 14:07:00,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:07:00,863 INFO L495 AbstractCegarLoop]: Abstraction has 5496 states and 7722 transitions. [2022-10-16 14:07:00,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-16 14:07:00,864 INFO L276 IsEmpty]: Start isEmpty. Operand 5496 states and 7722 transitions. [2022-10-16 14:07:00,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-10-16 14:07:00,873 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:07:00,873 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:07:00,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 14:07:00,874 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [printer_setupErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printer_setupErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printer_setupErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 14:07:00,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:07:00,874 INFO L85 PathProgramCache]: Analyzing trace with hash -175664838, now seen corresponding path program 1 times [2022-10-16 14:07:00,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:07:00,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853676076] [2022-10-16 14:07:00,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:07:00,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:07:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:07:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 14:07:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:07:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:07:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 14:07:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:07:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 14:07:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 14:07:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 14:07:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 14:07:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 14:07:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 14:07:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:07:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 14:07:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-10-16 14:07:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:07:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:07:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-16 14:07:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:07:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:07:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:02,658 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2022-10-16 14:07:02,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:07:02,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853676076] [2022-10-16 14:07:02,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853676076] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:07:02,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:07:02,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 14:07:02,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678837759] [2022-10-16 14:07:02,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:07:02,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 14:07:02,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:07:02,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 14:07:02,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:07:02,661 INFO L87 Difference]: Start difference. First operand 5496 states and 7722 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-10-16 14:07:04,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:07:30,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:07:30,868 INFO L93 Difference]: Finished difference Result 16464 states and 23609 transitions. [2022-10-16 14:07:30,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 14:07:30,869 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 195 [2022-10-16 14:07:30,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:07:30,937 INFO L225 Difference]: With dead ends: 16464 [2022-10-16 14:07:30,938 INFO L226 Difference]: Without dead ends: 11098 [2022-10-16 14:07:30,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2022-10-16 14:07:30,967 INFO L413 NwaCegarLoop]: 2147 mSDtfsCounter, 5137 mSDsluCounter, 7508 mSDsCounter, 0 mSdLazyCounter, 6333 mSolverCounterSat, 2281 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5479 SdHoareTripleChecker+Valid, 9655 SdHoareTripleChecker+Invalid, 8615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2281 IncrementalHoareTripleChecker+Valid, 6333 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:07:30,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5479 Valid, 9655 Invalid, 8615 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2281 Valid, 6333 Invalid, 1 Unknown, 0 Unchecked, 26.5s Time] [2022-10-16 14:07:30,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11098 states. [2022-10-16 14:07:31,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11098 to 7846. [2022-10-16 14:07:31,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7846 states, 5663 states have (on average 1.323150273706516) internal successors, (7493), 5832 states have internal predecessors, (7493), 1641 states have call successors, (1641), 519 states have call predecessors, (1641), 524 states have return successors, (1804), 1606 states have call predecessors, (1804), 1641 states have call successors, (1804) [2022-10-16 14:07:31,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7846 states to 7846 states and 10938 transitions. [2022-10-16 14:07:31,818 INFO L78 Accepts]: Start accepts. Automaton has 7846 states and 10938 transitions. Word has length 195 [2022-10-16 14:07:31,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:07:31,819 INFO L495 AbstractCegarLoop]: Abstraction has 7846 states and 10938 transitions. [2022-10-16 14:07:31,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-10-16 14:07:31,819 INFO L276 IsEmpty]: Start isEmpty. Operand 7846 states and 10938 transitions. [2022-10-16 14:07:31,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-10-16 14:07:31,828 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:07:31,829 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:07:31,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 14:07:31,829 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting printer_setupErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [printer_setupErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printer_setupErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printer_setupErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 14:07:31,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:07:31,830 INFO L85 PathProgramCache]: Analyzing trace with hash 98697101, now seen corresponding path program 1 times [2022-10-16 14:07:31,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:07:31,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330998697] [2022-10-16 14:07:31,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:07:31,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:07:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:33,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:07:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:33,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 14:07:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:33,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:07:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:33,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:07:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:33,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 14:07:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:33,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:07:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:33,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 14:07:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:33,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 14:07:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:33,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:33,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 14:07:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:33,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 14:07:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:33,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:33,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:33,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 14:07:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:33,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 14:07:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:34,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-16 14:07:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:34,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:34,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:34,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:07:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:34,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 14:07:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:34,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 14:07:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:34,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:07:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:34,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 14:07:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:34,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 14:07:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:34,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 14:07:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:34,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 14:07:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:34,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-16 14:07:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:34,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 14:07:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:34,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 14:07:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:34,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:34,182 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-16 14:07:34,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:07:34,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330998697] [2022-10-16 14:07:34,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330998697] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:07:34,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385680467] [2022-10-16 14:07:34,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:07:34,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:07:34,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:07:34,187 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:07:34,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 14:07:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:35,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 3265 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 14:07:35,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:07:35,664 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-10-16 14:07:35,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:07:35,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385680467] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:07:35,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:07:35,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2022-10-16 14:07:35,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668343755] [2022-10-16 14:07:35,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:07:35,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:07:35,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:07:35,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:07:35,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:07:35,675 INFO L87 Difference]: Start difference. First operand 7846 states and 10938 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) [2022-10-16 14:07:37,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:07:39,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:07:39,360 INFO L93 Difference]: Finished difference Result 16991 states and 23621 transitions. [2022-10-16 14:07:39,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 14:07:39,361 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) Word has length 225 [2022-10-16 14:07:39,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:07:39,420 INFO L225 Difference]: With dead ends: 16991 [2022-10-16 14:07:39,420 INFO L226 Difference]: Without dead ends: 10315 [2022-10-16 14:07:39,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2022-10-16 14:07:39,451 INFO L413 NwaCegarLoop]: 2579 mSDtfsCounter, 1257 mSDsluCounter, 9477 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 12056 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:07:39,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1261 Valid, 12056 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 45 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 14:07:39,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10315 states. [2022-10-16 14:07:40,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10315 to 8551. [2022-10-16 14:07:40,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8551 states, 6158 states have (on average 1.3173108151997401) internal successors, (8112), 6349 states have internal predecessors, (8112), 1786 states have call successors, (1786), 583 states have call predecessors, (1786), 589 states have return successors, (1951), 1742 states have call predecessors, (1951), 1786 states have call successors, (1951) [2022-10-16 14:07:40,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8551 states to 8551 states and 11849 transitions. [2022-10-16 14:07:40,309 INFO L78 Accepts]: Start accepts. Automaton has 8551 states and 11849 transitions. Word has length 225 [2022-10-16 14:07:40,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:07:40,310 INFO L495 AbstractCegarLoop]: Abstraction has 8551 states and 11849 transitions. [2022-10-16 14:07:40,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) [2022-10-16 14:07:40,310 INFO L276 IsEmpty]: Start isEmpty. Operand 8551 states and 11849 transitions. [2022-10-16 14:07:40,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-10-16 14:07:40,323 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:07:40,324 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:07:40,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 14:07:40,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:07:40,538 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [printer_setupErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printer_setupErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printer_setupErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 14:07:40,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:07:40,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1344128308, now seen corresponding path program 1 times [2022-10-16 14:07:40,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:07:40,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853516722] [2022-10-16 14:07:40,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:07:40,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:07:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:07:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 14:07:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:07:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:07:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 14:07:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:07:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 14:07:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 14:07:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 14:07:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 14:07:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 14:07:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 14:07:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:07:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 14:07:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 14:07:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:07:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:07:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 14:07:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 14:07:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-10-16 14:07:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:07:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:07:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:41,782 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-10-16 14:07:41,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:07:41,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853516722] [2022-10-16 14:07:41,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853516722] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:07:41,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862011071] [2022-10-16 14:07:41,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:07:41,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:07:41,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:07:41,788 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:07:41,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 14:07:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:43,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 3161 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 14:07:43,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:07:44,369 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 72 proven. 22 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-10-16 14:07:44,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:07:44,962 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-10-16 14:07:44,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862011071] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:07:44,963 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:07:44,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 3, 3] total 10 [2022-10-16 14:07:44,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846037535] [2022-10-16 14:07:44,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:07:44,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 14:07:44,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:07:44,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 14:07:44,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:07:44,966 INFO L87 Difference]: Start difference. First operand 8551 states and 11849 transitions. Second operand has 11 states, 10 states have (on average 27.9) internal successors, (279), 7 states have internal predecessors, (279), 6 states have call successors, (60), 7 states have call predecessors, (60), 3 states have return successors, (52), 6 states have call predecessors, (52), 6 states have call successors, (52) [2022-10-16 14:07:47,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:08:29,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:08:29,301 INFO L93 Difference]: Finished difference Result 25377 states and 36328 transitions. [2022-10-16 14:08:29,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-10-16 14:08:29,302 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 27.9) internal successors, (279), 7 states have internal predecessors, (279), 6 states have call successors, (60), 7 states have call predecessors, (60), 3 states have return successors, (52), 6 states have call predecessors, (52), 6 states have call successors, (52) Word has length 211 [2022-10-16 14:08:29,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:08:29,459 INFO L225 Difference]: With dead ends: 25377 [2022-10-16 14:08:29,459 INFO L226 Difference]: Without dead ends: 25373 [2022-10-16 14:08:29,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=293, Invalid=637, Unknown=0, NotChecked=0, Total=930 [2022-10-16 14:08:29,478 INFO L413 NwaCegarLoop]: 2609 mSDtfsCounter, 20292 mSDsluCounter, 5871 mSDsCounter, 0 mSdLazyCounter, 8808 mSolverCounterSat, 10687 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21165 SdHoareTripleChecker+Valid, 8480 SdHoareTripleChecker+Invalid, 19496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10687 IncrementalHoareTripleChecker+Valid, 8808 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:08:29,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21165 Valid, 8480 Invalid, 19496 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10687 Valid, 8808 Invalid, 1 Unknown, 0 Unchecked, 40.4s Time] [2022-10-16 14:08:29,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25373 states. [2022-10-16 14:08:31,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25373 to 14158. [2022-10-16 14:08:31,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14158 states, 10212 states have (on average 1.3162945554249903) internal successors, (13442), 10515 states have internal predecessors, (13442), 2959 states have call successors, (2959), 952 states have call predecessors, (2959), 971 states have return successors, (3235), 2898 states have call predecessors, (3235), 2959 states have call successors, (3235) [2022-10-16 14:08:31,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14158 states to 14158 states and 19636 transitions. [2022-10-16 14:08:31,133 INFO L78 Accepts]: Start accepts. Automaton has 14158 states and 19636 transitions. Word has length 211 [2022-10-16 14:08:31,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:08:31,134 INFO L495 AbstractCegarLoop]: Abstraction has 14158 states and 19636 transitions. [2022-10-16 14:08:31,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 27.9) internal successors, (279), 7 states have internal predecessors, (279), 6 states have call successors, (60), 7 states have call predecessors, (60), 3 states have return successors, (52), 6 states have call predecessors, (52), 6 states have call successors, (52) [2022-10-16 14:08:31,134 INFO L276 IsEmpty]: Start isEmpty. Operand 14158 states and 19636 transitions. [2022-10-16 14:08:31,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-10-16 14:08:31,145 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:08:31,145 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:08:31,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-16 14:08:31,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-10-16 14:08:31,362 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [printer_setupErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printer_setupErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printer_setupErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 14:08:31,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:08:31,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1281692561, now seen corresponding path program 1 times [2022-10-16 14:08:31,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:08:31,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407678549] [2022-10-16 14:08:31,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:08:31,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:08:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:08:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 14:08:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:08:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:08:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 14:08:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:08:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 14:08:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 14:08:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:08:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 14:08:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 14:08:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:08:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:08:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 14:08:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 14:08:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:08:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 14:08:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 14:08:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:08:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:08:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:08:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 14:08:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 14:08:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-10-16 14:08:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:08:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:08:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:08:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:32,954 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-10-16 14:08:32,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:08:32,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407678549] [2022-10-16 14:08:32,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407678549] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:08:32,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786116728] [2022-10-16 14:08:32,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:08:32,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:08:32,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:08:32,957 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:08:32,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 14:08:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:08:34,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 3162 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 14:08:34,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:08:35,077 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-10-16 14:08:35,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:08:35,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786116728] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:08:35,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:08:35,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-10-16 14:08:35,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150500123] [2022-10-16 14:08:35,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:08:35,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:08:35,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:08:35,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:08:35,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:08:35,081 INFO L87 Difference]: Start difference. First operand 14158 states and 19636 transitions. Second operand has 4 states, 3 states have (on average 42.333333333333336) internal successors, (127), 4 states have internal predecessors, (127), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-10-16 14:08:37,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []