/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--micrel--ks8842.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:14:41,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:14:41,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:14:41,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:14:41,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:14:41,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:14:41,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:14:41,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:14:41,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:14:41,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:14:41,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:14:41,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:14:41,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:14:41,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:14:41,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:14:41,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:14:41,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:14:41,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:14:41,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:14:41,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:14:41,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:14:41,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:14:41,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:14:41,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:14:41,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:14:41,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:14:41,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:14:41,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:14:41,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:14:41,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:14:41,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:14:41,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:14:41,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:14:41,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:14:41,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:14:41,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:14:41,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:14:41,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:14:41,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:14:41,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:14:41,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:14:41,708 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:14:41,771 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:14:41,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:14:41,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:14:41,773 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:14:41,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:14:41,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:14:41,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:14:41,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:14:41,780 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:14:41,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:14:41,782 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:14:41,782 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:14:41,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:14:41,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:14:41,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:14:41,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:14:41,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:14:41,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:14:41,784 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:14:41,784 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:14:41,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:14:41,784 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:14:41,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:14:41,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:14:41,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:14:41,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:14:41,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:14:41,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:14:41,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:14:41,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:14:41,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:14:41,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:14:41,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:14:41,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:14:42,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:14:42,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:14:42,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:14:42,238 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:14:42,239 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:14:42,241 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--micrel--ks8842.ko-entry_point.cil.out.i [2022-10-15 21:14:42,328 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/571741720/85bfcc60b4d54946b9923873ba0a1d7e/FLAGcb686ec25 [2022-10-15 21:14:43,515 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:14:43,516 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--micrel--ks8842.ko-entry_point.cil.out.i [2022-10-15 21:14:43,572 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/571741720/85bfcc60b4d54946b9923873ba0a1d7e/FLAGcb686ec25 [2022-10-15 21:14:43,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/571741720/85bfcc60b4d54946b9923873ba0a1d7e [2022-10-15 21:14:43,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:14:43,856 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:14:43,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:14:43,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:14:43,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:14:43,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:14:43" (1/1) ... [2022-10-15 21:14:43,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11623e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:43, skipping insertion in model container [2022-10-15 21:14:43,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:14:43" (1/1) ... [2022-10-15 21:14:43,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:14:44,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:14:45,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--micrel--ks8842.ko-entry_point.cil.out.i[168234,168247] [2022-10-15 21:14:46,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:14:46,101 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:14:46,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--micrel--ks8842.ko-entry_point.cil.out.i[168234,168247] [2022-10-15 21:14:46,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:14:46,767 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:14:46,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:46 WrapperNode [2022-10-15 21:14:46,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:14:46,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:14:46,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:14:46,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:14:46,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:46" (1/1) ... [2022-10-15 21:14:46,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:46" (1/1) ... [2022-10-15 21:14:47,048 INFO L138 Inliner]: procedures = 246, calls = 1442, calls flagged for inlining = 122, calls inlined = 104, statements flattened = 2717 [2022-10-15 21:14:47,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:14:47,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:14:47,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:14:47,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:14:47,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:46" (1/1) ... [2022-10-15 21:14:47,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:46" (1/1) ... [2022-10-15 21:14:47,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:46" (1/1) ... [2022-10-15 21:14:47,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:46" (1/1) ... [2022-10-15 21:14:47,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:46" (1/1) ... [2022-10-15 21:14:47,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:46" (1/1) ... [2022-10-15 21:14:47,276 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:46" (1/1) ... [2022-10-15 21:14:47,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:46" (1/1) ... [2022-10-15 21:14:47,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:14:47,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:14:47,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:14:47,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:14:47,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:46" (1/1) ... [2022-10-15 21:14:47,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:14:47,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:14:47,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:14:47,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:14:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-15 21:14:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-15 21:14:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-15 21:14:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-15 21:14:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:14:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:14:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:14:47,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:14:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-15 21:14:47,479 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-15 21:14:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:14:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:14:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_write16 [2022-10-15 21:14:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_write16 [2022-10-15 21:14:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-10-15 21:14:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-10-15 21:14:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_select_bank [2022-10-15 21:14:47,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_select_bank [2022-10-15 21:14:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_tx_timeout [2022-10-15 21:14:47,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_tx_timeout [2022-10-15 21:14:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:14:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:14:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-15 21:14:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-15 21:14:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-10-15 21:14:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-10-15 21:14:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:14:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:14:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-15 21:14:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-15 21:14:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-10-15 21:14:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-10-15 21:14:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2022-10-15 21:14:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2022-10-15 21:14:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:14:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:14:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-10-15 21:14:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-10-15 21:14:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_read16 [2022-10-15 21:14:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_read16 [2022-10-15 21:14:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:14:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~dma_cookie_t~0 [2022-10-15 21:14:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~dma_cookie_t~0 [2022-10-15 21:14:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:14:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_prep_slave_sg [2022-10-15 21:14:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_prep_slave_sg [2022-10-15 21:14:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-10-15 21:14:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-10-15 21:14:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-10-15 21:14:47,487 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-10-15 21:14:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-15 21:14:47,488 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-15 21:14:47,489 INFO L130 BoogieDeclarations]: Found specification of procedure __ks8842_start_new_rx_dma [2022-10-15 21:14:47,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __ks8842_start_new_rx_dma [2022-10-15 21:14:47,489 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:14:47,490 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:14:47,490 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-10-15 21:14:47,490 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-10-15 21:14:47,490 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-10-15 21:14:47,491 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-10-15 21:14:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:14:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-15 21:14:47,491 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-15 21:14:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:14:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_tx_fifo_space [2022-10-15 21:14:47,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_tx_fifo_space [2022-10-15 21:14:47,492 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-10-15 21:14:47,492 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-10-15 21:14:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-10-15 21:14:47,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-10-15 21:14:47,494 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-15 21:14:47,494 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-15 21:14:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-15 21:14:47,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-15 21:14:47,496 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-15 21:14:47,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-15 21:14:47,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:14:47,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:14:47,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:14:47,496 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-15 21:14:47,497 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-15 21:14:47,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:14:47,497 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_reset_hw [2022-10-15 21:14:47,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_reset_hw [2022-10-15 21:14:47,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:14:47,497 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-15 21:14:47,498 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-15 21:14:47,498 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-15 21:14:47,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-15 21:14:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_request_channel [2022-10-15 21:14:47,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_request_channel [2022-10-15 21:14:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_update_link_status [2022-10-15 21:14:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_update_link_status [2022-10-15 21:14:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 21:14:47,501 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 21:14:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-10-15 21:14:47,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-10-15 21:14:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_write8 [2022-10-15 21:14:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_write8 [2022-10-15 21:14:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_set_mac [2022-10-15 21:14:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_set_mac [2022-10-15 21:14:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_stop_dma [2022-10-15 21:14:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_stop_dma [2022-10-15 21:14:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-15 21:14:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-15 21:14:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_write_mac_addr [2022-10-15 21:14:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_write_mac_addr [2022-10-15 21:14:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:14:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:14:47,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:14:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:14:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_dealloc_dma_bufs [2022-10-15 21:14:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_dealloc_dma_bufs [2022-10-15 21:14:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_enable_rx [2022-10-15 21:14:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_enable_rx [2022-10-15 21:14:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-10-15 21:14:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-10-15 21:14:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:14:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-10-15 21:14:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-10-15 21:14:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:14:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-10-15 21:14:47,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-10-15 21:14:47,511 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-10-15 21:14:47,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-10-15 21:14:47,519 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-10-15 21:14:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-10-15 21:14:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_enable_tx [2022-10-15 21:14:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_enable_tx [2022-10-15 21:14:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_cap_set [2022-10-15 21:14:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_cap_set [2022-10-15 21:14:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_resume_dma [2022-10-15 21:14:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_resume_dma [2022-10-15 21:14:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-15 21:14:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-15 21:14:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_enable_bits [2022-10-15 21:14:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_enable_bits [2022-10-15 21:14:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:14:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-10-15 21:14:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-10-15 21:14:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:14:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:14:48,124 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:14:48,129 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:14:48,468 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:14:50,597 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:14:50,617 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:14:50,617 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-15 21:14:50,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:14:50 BoogieIcfgContainer [2022-10-15 21:14:50,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:14:50,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:14:50,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:14:50,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:14:50,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:14:43" (1/3) ... [2022-10-15 21:14:50,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc1241e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:14:50, skipping insertion in model container [2022-10-15 21:14:50,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:46" (2/3) ... [2022-10-15 21:14:50,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc1241e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:14:50, skipping insertion in model container [2022-10-15 21:14:50,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:14:50" (3/3) ... [2022-10-15 21:14:50,636 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--micrel--ks8842.ko-entry_point.cil.out.i [2022-10-15 21:14:50,659 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:14:50,659 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-10-15 21:14:50,782 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:14:50,794 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;@141ef6f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:14:50,795 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-10-15 21:14:50,805 INFO L276 IsEmpty]: Start isEmpty. Operand has 974 states, 661 states have (on average 1.3222390317700454) internal successors, (874), 710 states have internal predecessors, (874), 220 states have call successors, (220), 63 states have call predecessors, (220), 62 states have return successors, (213), 210 states have call predecessors, (213), 213 states have call successors, (213) [2022-10-15 21:14:50,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-15 21:14:50,824 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:14:50,825 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:14:50,826 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-15 21:14:50,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:14:50,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1733941927, now seen corresponding path program 1 times [2022-10-15 21:14:50,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:14:50,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206299819] [2022-10-15 21:14:50,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:14:50,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:14:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:51,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:14:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:51,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:14:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:51,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:14:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:51,682 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-15 21:14:51,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:14:51,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206299819] [2022-10-15 21:14:51,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206299819] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:14:51,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:14:51,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:14:51,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032982608] [2022-10-15 21:14:51,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:14:51,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:14:51,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:14:51,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:14:51,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:14:51,732 INFO L87 Difference]: Start difference. First operand has 974 states, 661 states have (on average 1.3222390317700454) internal successors, (874), 710 states have internal predecessors, (874), 220 states have call successors, (220), 63 states have call predecessors, (220), 62 states have return successors, (213), 210 states have call predecessors, (213), 213 states have call successors, (213) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-15 21:14:54,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:14:54,711 INFO L93 Difference]: Finished difference Result 2326 states and 3171 transitions. [2022-10-15 21:14:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:14:54,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 36 [2022-10-15 21:14:54,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:14:54,748 INFO L225 Difference]: With dead ends: 2326 [2022-10-15 21:14:54,748 INFO L226 Difference]: Without dead ends: 1313 [2022-10-15 21:14:54,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:14:54,770 INFO L413 NwaCegarLoop]: 1265 mSDtfsCounter, 755 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 874 SdHoareTripleChecker+Valid, 2419 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:14:54,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [874 Valid, 2419 Invalid, 1342 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [317 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-15 21:14:54,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2022-10-15 21:14:54,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 1240. [2022-10-15 21:14:54,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1240 states, 859 states have (on average 1.2968568102444704) internal successors, (1114), 904 states have internal predecessors, (1114), 266 states have call successors, (266), 85 states have call predecessors, (266), 85 states have return successors, (266), 258 states have call predecessors, (266), 266 states have call successors, (266) [2022-10-15 21:14:55,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1646 transitions. [2022-10-15 21:14:55,010 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1646 transitions. Word has length 36 [2022-10-15 21:14:55,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:14:55,011 INFO L495 AbstractCegarLoop]: Abstraction has 1240 states and 1646 transitions. [2022-10-15 21:14:55,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-15 21:14:55,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1646 transitions. [2022-10-15 21:14:55,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 21:14:55,025 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:14:55,025 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:14:55,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:14:55,026 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-15 21:14:55,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:14:55,028 INFO L85 PathProgramCache]: Analyzing trace with hash -2031873803, now seen corresponding path program 1 times [2022-10-15 21:14:55,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:14:55,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798139525] [2022-10-15 21:14:55,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:14:55,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:14:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:55,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:14:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:55,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:14:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:55,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:14:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:55,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:14:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:55,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:14:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:55,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 21:14:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:55,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-15 21:14:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:55,477 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-15 21:14:55,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:14:55,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798139525] [2022-10-15 21:14:55,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798139525] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:14:55,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:14:55,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:14:55,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178734499] [2022-10-15 21:14:55,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:14:55,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:14:55,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:14:55,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:14:55,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:14:55,494 INFO L87 Difference]: Start difference. First operand 1240 states and 1646 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-15 21:14:59,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:14:59,074 INFO L93 Difference]: Finished difference Result 3541 states and 4717 transitions. [2022-10-15 21:14:59,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:14:59,075 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 60 [2022-10-15 21:14:59,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:14:59,096 INFO L225 Difference]: With dead ends: 3541 [2022-10-15 21:14:59,097 INFO L226 Difference]: Without dead ends: 2311 [2022-10-15 21:14:59,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:14:59,104 INFO L413 NwaCegarLoop]: 1820 mSDtfsCounter, 1332 mSDsluCounter, 2067 mSDsCounter, 0 mSdLazyCounter, 1601 mSolverCounterSat, 573 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1504 SdHoareTripleChecker+Valid, 3887 SdHoareTripleChecker+Invalid, 2174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 573 IncrementalHoareTripleChecker+Valid, 1601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:14:59,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1504 Valid, 3887 Invalid, 2174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [573 Valid, 1601 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-10-15 21:14:59,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2311 states. [2022-10-15 21:14:59,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2311 to 2109. [2022-10-15 21:14:59,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2109 states, 1469 states have (on average 1.2988427501701838) internal successors, (1908), 1525 states have internal predecessors, (1908), 456 states have call successors, (456), 154 states have call predecessors, (456), 154 states have return successors, (456), 445 states have call predecessors, (456), 456 states have call successors, (456) [2022-10-15 21:14:59,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 2820 transitions. [2022-10-15 21:14:59,246 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 2820 transitions. Word has length 60 [2022-10-15 21:14:59,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:14:59,247 INFO L495 AbstractCegarLoop]: Abstraction has 2109 states and 2820 transitions. [2022-10-15 21:14:59,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-15 21:14:59,248 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2820 transitions. [2022-10-15 21:14:59,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-15 21:14:59,251 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:14:59,252 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-10-15 21:14:59,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:14:59,252 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-15 21:14:59,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:14:59,253 INFO L85 PathProgramCache]: Analyzing trace with hash -304136261, now seen corresponding path program 1 times [2022-10-15 21:14:59,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:14:59,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147540877] [2022-10-15 21:14:59,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:14:59,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:14:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:59,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:14:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:59,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:14:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:59,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:14:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:59,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-15 21:14:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:59,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-15 21:14:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:59,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:14:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:59,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 21:14:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:59,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 21:14:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:59,759 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-10-15 21:14:59,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:14:59,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147540877] [2022-10-15 21:14:59,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147540877] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:14:59,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:14:59,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:14:59,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391425434] [2022-10-15 21:14:59,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:14:59,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:14:59,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:14:59,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:14:59,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:14:59,764 INFO L87 Difference]: Start difference. First operand 2109 states and 2820 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:15:02,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:15:02,763 INFO L93 Difference]: Finished difference Result 4535 states and 6132 transitions. [2022-10-15 21:15:02,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:15:02,764 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 80 [2022-10-15 21:15:02,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:15:02,803 INFO L225 Difference]: With dead ends: 4535 [2022-10-15 21:15:02,803 INFO L226 Difference]: Without dead ends: 4527 [2022-10-15 21:15:02,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:15:02,823 INFO L413 NwaCegarLoop]: 1286 mSDtfsCounter, 2298 mSDsluCounter, 1223 mSDsCounter, 0 mSdLazyCounter, 1195 mSolverCounterSat, 1318 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2504 SdHoareTripleChecker+Valid, 2509 SdHoareTripleChecker+Invalid, 2513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1318 IncrementalHoareTripleChecker+Valid, 1195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:15:02,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2504 Valid, 2509 Invalid, 2513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1318 Valid, 1195 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-15 21:15:02,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4527 states. [2022-10-15 21:15:03,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4527 to 4167. [2022-10-15 21:15:03,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4167 states, 2923 states have (on average 1.2952446117003078) internal successors, (3786), 3006 states have internal predecessors, (3786), 908 states have call successors, (908), 306 states have call predecessors, (908), 306 states have return successors, (908), 886 states have call predecessors, (908), 908 states have call successors, (908) [2022-10-15 21:15:03,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4167 states to 4167 states and 5602 transitions. [2022-10-15 21:15:03,142 INFO L78 Accepts]: Start accepts. Automaton has 4167 states and 5602 transitions. Word has length 80 [2022-10-15 21:15:03,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:15:03,143 INFO L495 AbstractCegarLoop]: Abstraction has 4167 states and 5602 transitions. [2022-10-15 21:15:03,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:15:03,143 INFO L276 IsEmpty]: Start isEmpty. Operand 4167 states and 5602 transitions. [2022-10-15 21:15:03,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-15 21:15:03,148 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:15:03,149 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:15:03,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:15:03,149 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-15 21:15:03,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:15:03,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1200819236, now seen corresponding path program 1 times [2022-10-15 21:15:03,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:15:03,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385453032] [2022-10-15 21:15:03,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:15:03,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:15:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:03,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:15:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:03,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:15:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:03,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:15:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:03,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-15 21:15:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:03,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-15 21:15:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:03,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:15:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:03,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 21:15:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:03,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 21:15:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:03,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 21:15:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:15:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:04,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-15 21:15:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:04,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-10-15 21:15:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:04,025 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-10-15 21:15:04,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:15:04,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385453032] [2022-10-15 21:15:04,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385453032] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:15:04,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052320197] [2022-10-15 21:15:04,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:15:04,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:15:04,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:15:04,029 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) [2022-10-15 21:15:04,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 21:15:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:04,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 2207 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-15 21:15:04,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:15:04,687 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-15 21:15:04,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:15:04,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052320197] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:15:04,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:15:04,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-10-15 21:15:04,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265746781] [2022-10-15 21:15:04,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:15:04,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:15:04,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:15:04,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:15:04,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:15:04,691 INFO L87 Difference]: Start difference. First operand 4167 states and 5602 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-15 21:15:05,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:15:05,136 INFO L93 Difference]: Finished difference Result 7229 states and 9655 transitions. [2022-10-15 21:15:05,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:15:05,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2022-10-15 21:15:05,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:15:05,181 INFO L225 Difference]: With dead ends: 7229 [2022-10-15 21:15:05,182 INFO L226 Difference]: Without dead ends: 5141 [2022-10-15 21:15:05,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:15:05,199 INFO L413 NwaCegarLoop]: 2283 mSDtfsCounter, 1056 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1056 SdHoareTripleChecker+Valid, 3504 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:15:05,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1056 Valid, 3504 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:15:05,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5141 states. [2022-10-15 21:15:05,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5141 to 5072. [2022-10-15 21:15:05,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5072 states, 3561 states have (on average 1.2959842740803145) internal successors, (4615), 3652 states have internal predecessors, (4615), 1096 states have call successors, (1096), 385 states have call predecessors, (1096), 385 states have return successors, (1096), 1074 states have call predecessors, (1096), 1096 states have call successors, (1096) [2022-10-15 21:15:05,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5072 states to 5072 states and 6807 transitions. [2022-10-15 21:15:05,575 INFO L78 Accepts]: Start accepts. Automaton has 5072 states and 6807 transitions. Word has length 119 [2022-10-15 21:15:05,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:15:05,576 INFO L495 AbstractCegarLoop]: Abstraction has 5072 states and 6807 transitions. [2022-10-15 21:15:05,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-15 21:15:05,576 INFO L276 IsEmpty]: Start isEmpty. Operand 5072 states and 6807 transitions. [2022-10-15 21:15:05,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-15 21:15:05,581 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:15:05,582 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2022-10-15 21:15:05,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-15 21:15:05,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:15:05,795 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-15 21:15:05,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:15:05,796 INFO L85 PathProgramCache]: Analyzing trace with hash -26379014, now seen corresponding path program 1 times [2022-10-15 21:15:05,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:15:05,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480819200] [2022-10-15 21:15:05,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:15:05,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:15:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:06,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:15:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:06,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:15:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:06,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:15:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:06,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-15 21:15:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:06,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-15 21:15:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:06,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:15:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:06,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 21:15:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:06,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 21:15:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:06,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-15 21:15:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:06,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 21:15:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:06,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-15 21:15:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:06,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-15 21:15:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:06,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-15 21:15:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:06,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-15 21:15:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:06,358 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-10-15 21:15:06,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:15:06,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480819200] [2022-10-15 21:15:06,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480819200] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:15:06,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:15:06,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:15:06,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154512284] [2022-10-15 21:15:06,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:15:06,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:15:06,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:15:06,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:15:06,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:15:06,368 INFO L87 Difference]: Start difference. First operand 5072 states and 6807 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-15 21:15:09,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:15:09,085 INFO L93 Difference]: Finished difference Result 10575 states and 14290 transitions. [2022-10-15 21:15:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:15:09,086 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 129 [2022-10-15 21:15:09,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:15:09,129 INFO L225 Difference]: With dead ends: 10575 [2022-10-15 21:15:09,129 INFO L226 Difference]: Without dead ends: 5524 [2022-10-15 21:15:09,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:15:09,156 INFO L413 NwaCegarLoop]: 1157 mSDtfsCounter, 366 mSDsluCounter, 1638 mSDsCounter, 0 mSdLazyCounter, 1196 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 2795 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 1196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:15:09,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 2795 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 1196 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-15 21:15:09,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5524 states. [2022-10-15 21:15:09,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5524 to 5108. [2022-10-15 21:15:09,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5108 states, 3593 states have (on average 1.2933481770108544) internal successors, (4647), 3684 states have internal predecessors, (4647), 1100 states have call successors, (1100), 385 states have call predecessors, (1100), 385 states have return successors, (1100), 1078 states have call predecessors, (1100), 1100 states have call successors, (1100) [2022-10-15 21:15:09,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5108 states to 5108 states and 6847 transitions. [2022-10-15 21:15:09,596 INFO L78 Accepts]: Start accepts. Automaton has 5108 states and 6847 transitions. Word has length 129 [2022-10-15 21:15:09,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:15:09,599 INFO L495 AbstractCegarLoop]: Abstraction has 5108 states and 6847 transitions. [2022-10-15 21:15:09,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-15 21:15:09,600 INFO L276 IsEmpty]: Start isEmpty. Operand 5108 states and 6847 transitions. [2022-10-15 21:15:09,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-15 21:15:09,605 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:15:09,605 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-10-15 21:15:09,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:15:09,606 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-15 21:15:09,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:15:09,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1317610173, now seen corresponding path program 1 times [2022-10-15 21:15:09,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:15:09,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752799770] [2022-10-15 21:15:09,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:15:09,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:15:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:10,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:15:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:10,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:15:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:10,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:15:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:10,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-15 21:15:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:10,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-15 21:15:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:10,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:15:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:10,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 21:15:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:10,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 21:15:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:10,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-15 21:15:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:10,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-15 21:15:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:10,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:15:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:10,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-15 21:15:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:10,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-15 21:15:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:10,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-15 21:15:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:10,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-10-15 21:15:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:10,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-15 21:15:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:10,282 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-10-15 21:15:10,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:15:10,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752799770] [2022-10-15 21:15:10,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752799770] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:15:10,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968899100] [2022-10-15 21:15:10,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:15:10,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:15:10,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:15:10,286 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) [2022-10-15 21:15:10,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 21:15:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:10,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 2235 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-15 21:15:10,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:15:11,004 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-10-15 21:15:11,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:15:11,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968899100] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:15:11,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:15:11,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2022-10-15 21:15:11,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116574993] [2022-10-15 21:15:11,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:15:11,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:15:11,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:15:11,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:15:11,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:15:11,007 INFO L87 Difference]: Start difference. First operand 5108 states and 6847 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-10-15 21:15:12,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:15:12,196 INFO L93 Difference]: Finished difference Result 12376 states and 16565 transitions. [2022-10-15 21:15:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:15:12,197 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 139 [2022-10-15 21:15:12,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:15:12,293 INFO L225 Difference]: With dead ends: 12376 [2022-10-15 21:15:12,294 INFO L226 Difference]: Without dead ends: 9375 [2022-10-15 21:15:12,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:15:12,320 INFO L413 NwaCegarLoop]: 2404 mSDtfsCounter, 1901 mSDsluCounter, 5197 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1927 SdHoareTripleChecker+Valid, 7601 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:15:12,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1927 Valid, 7601 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 21:15:12,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9375 states. [2022-10-15 21:15:13,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9375 to 9276. [2022-10-15 21:15:13,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9276 states, 6539 states have (on average 1.2920935922923995) internal successors, (8449), 6686 states have internal predecessors, (8449), 2010 states have call successors, (2010), 697 states have call predecessors, (2010), 697 states have return successors, (2010), 1964 states have call predecessors, (2010), 2010 states have call successors, (2010) [2022-10-15 21:15:13,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9276 states to 9276 states and 12469 transitions. [2022-10-15 21:15:13,337 INFO L78 Accepts]: Start accepts. Automaton has 9276 states and 12469 transitions. Word has length 139 [2022-10-15 21:15:13,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:15:13,337 INFO L495 AbstractCegarLoop]: Abstraction has 9276 states and 12469 transitions. [2022-10-15 21:15:13,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-10-15 21:15:13,338 INFO L276 IsEmpty]: Start isEmpty. Operand 9276 states and 12469 transitions. [2022-10-15 21:15:13,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-10-15 21:15:13,348 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:15:13,348 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2022-10-15 21:15:13,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-15 21:15:13,563 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,SelfDestructingSolverStorable5 [2022-10-15 21:15:13,563 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-15 21:15:13,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:15:13,564 INFO L85 PathProgramCache]: Analyzing trace with hash -772845158, now seen corresponding path program 1 times [2022-10-15 21:15:13,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:15:13,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230543814] [2022-10-15 21:15:13,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:15:13,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:15:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:14,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:15:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:14,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:15:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:14,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:15:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:14,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-15 21:15:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:14,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-15 21:15:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:14,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:15:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:14,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 21:15:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:14,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 21:15:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:14,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-15 21:15:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:14,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 21:15:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:14,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-15 21:15:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:14,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-15 21:15:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:14,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-15 21:15:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:14,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-15 21:15:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:14,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-15 21:15:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:14,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:15:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:14,180 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-10-15 21:15:14,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:15:14,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230543814] [2022-10-15 21:15:14,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230543814] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:15:14,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151418125] [2022-10-15 21:15:14,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:15:14,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:15:14,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:15:14,182 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) [2022-10-15 21:15:14,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-15 21:15:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:14,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 2534 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:15:14,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:15:14,906 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-10-15 21:15:14,906 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:15:14,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151418125] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:15:14,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:15:14,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-15 21:15:14,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597490355] [2022-10-15 21:15:14,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:15:14,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:15:14,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:15:14,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:15:14,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:15:14,909 INFO L87 Difference]: Start difference. First operand 9276 states and 12469 transitions. Second operand has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-15 21:15:15,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:15:15,839 INFO L93 Difference]: Finished difference Result 12808 states and 17895 transitions. [2022-10-15 21:15:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:15:15,839 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (16), 1 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 146 [2022-10-15 21:15:15,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:15:15,930 INFO L225 Difference]: With dead ends: 12808 [2022-10-15 21:15:15,930 INFO L226 Difference]: Without dead ends: 12806 [2022-10-15 21:15:15,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:15:15,942 INFO L413 NwaCegarLoop]: 1841 mSDtfsCounter, 860 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 963 SdHoareTripleChecker+Valid, 3150 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:15:15,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [963 Valid, 3150 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:15:15,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12806 states. [2022-10-15 21:15:16,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12806 to 9266. [2022-10-15 21:15:16,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9266 states, 6531 states have (on average 1.2900015311590873) internal successors, (8425), 6676 states have internal predecessors, (8425), 2010 states have call successors, (2010), 697 states have call predecessors, (2010), 697 states have return successors, (2010), 1964 states have call predecessors, (2010), 2010 states have call successors, (2010) [2022-10-15 21:15:16,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9266 states to 9266 states and 12445 transitions. [2022-10-15 21:15:16,834 INFO L78 Accepts]: Start accepts. Automaton has 9266 states and 12445 transitions. Word has length 146 [2022-10-15 21:15:16,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:15:16,835 INFO L495 AbstractCegarLoop]: Abstraction has 9266 states and 12445 transitions. [2022-10-15 21:15:16,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-15 21:15:16,835 INFO L276 IsEmpty]: Start isEmpty. Operand 9266 states and 12445 transitions. [2022-10-15 21:15:16,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-10-15 21:15:16,842 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:15:16,842 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2022-10-15 21:15:16,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-15 21:15:17,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:15:17,058 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-15 21:15:17,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:15:17,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1811605554, now seen corresponding path program 1 times [2022-10-15 21:15:17,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:15:17,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944947620] [2022-10-15 21:15:17,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:15:17,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:15:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:17,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:15:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:17,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:15:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:17,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:15:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:17,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-15 21:15:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:17,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-15 21:15:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:17,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:15:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:17,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 21:15:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:17,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 21:15:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:17,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-15 21:15:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:17,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 21:15:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:17,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-15 21:15:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:17,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-15 21:15:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:17,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-15 21:15:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:17,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-15 21:15:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:17,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-15 21:15:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:17,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:15:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:17,585 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-10-15 21:15:17,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:15:17,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944947620] [2022-10-15 21:15:17,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944947620] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:15:17,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:15:17,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:15:17,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358632471] [2022-10-15 21:15:17,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:15:17,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:15:17,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:15:17,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:15:17,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:15:17,588 INFO L87 Difference]: Start difference. First operand 9266 states and 12445 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-10-15 21:15:20,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:15:20,000 INFO L93 Difference]: Finished difference Result 10012 states and 13603 transitions. [2022-10-15 21:15:20,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:15:20,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 147 [2022-10-15 21:15:20,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:15:20,058 INFO L225 Difference]: With dead ends: 10012 [2022-10-15 21:15:20,058 INFO L226 Difference]: Without dead ends: 10010 [2022-10-15 21:15:20,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:15:20,067 INFO L413 NwaCegarLoop]: 1154 mSDtfsCounter, 645 mSDsluCounter, 1226 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 518 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 729 SdHoareTripleChecker+Valid, 2380 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 518 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-15 21:15:20,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [729 Valid, 2380 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [518 Valid, 941 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-15 21:15:20,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10010 states. [2022-10-15 21:15:20,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10010 to 9208. [2022-10-15 21:15:20,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9208 states, 6483 states have (on average 1.2896807033780657) internal successors, (8361), 6626 states have internal predecessors, (8361), 2002 states have call successors, (2002), 697 states have call predecessors, (2002), 697 states have return successors, (2002), 1956 states have call predecessors, (2002), 2002 states have call successors, (2002) [2022-10-15 21:15:20,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9208 states to 9208 states and 12365 transitions. [2022-10-15 21:15:20,910 INFO L78 Accepts]: Start accepts. Automaton has 9208 states and 12365 transitions. Word has length 147 [2022-10-15 21:15:20,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:15:20,911 INFO L495 AbstractCegarLoop]: Abstraction has 9208 states and 12365 transitions. [2022-10-15 21:15:20,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-10-15 21:15:20,912 INFO L276 IsEmpty]: Start isEmpty. Operand 9208 states and 12365 transitions. [2022-10-15 21:15:20,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-10-15 21:15:20,923 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:15:20,923 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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, 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] [2022-10-15 21:15:20,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:15:20,924 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-15 21:15:20,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:15:20,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1467162768, now seen corresponding path program 1 times [2022-10-15 21:15:20,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:15:20,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540076919] [2022-10-15 21:15:20,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:15:20,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:15:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:21,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:15:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:21,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:15:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:21,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:15:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:21,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-15 21:15:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:21,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 21:15:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:21,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-15 21:15:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:21,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:15:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:21,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-15 21:15:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:21,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-15 21:15:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:21,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-15 21:15:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:21,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-15 21:15:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:21,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-15 21:15:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:21,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-15 21:15:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:21,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-15 21:15:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:21,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:15:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:21,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-10-15 21:15:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:21,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-15 21:15:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:21,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-10-15 21:15:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:21,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-15 21:15:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:21,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-10-15 21:15:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:21,358 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-10-15 21:15:21,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:15:21,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540076919] [2022-10-15 21:15:21,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540076919] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:15:21,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:15:21,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:15:21,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35374131] [2022-10-15 21:15:21,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:15:21,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:15:21,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:15:21,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:15:21,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:15:21,361 INFO L87 Difference]: Start difference. First operand 9208 states and 12365 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-15 21:15:24,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:15:24,915 INFO L93 Difference]: Finished difference Result 15387 states and 20735 transitions. [2022-10-15 21:15:24,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:15:24,916 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 159 [2022-10-15 21:15:24,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:15:24,953 INFO L225 Difference]: With dead ends: 15387 [2022-10-15 21:15:24,954 INFO L226 Difference]: Without dead ends: 6200 [2022-10-15 21:15:24,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:15:24,999 INFO L413 NwaCegarLoop]: 1445 mSDtfsCounter, 1628 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 1453 mSolverCounterSat, 665 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1826 SdHoareTripleChecker+Valid, 3191 SdHoareTripleChecker+Invalid, 2118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 665 IncrementalHoareTripleChecker+Valid, 1453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:15:25,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1826 Valid, 3191 Invalid, 2118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [665 Valid, 1453 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-10-15 21:15:25,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6200 states. [2022-10-15 21:15:25,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6200 to 3442. [2022-10-15 21:15:25,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3442 states, 2429 states have (on average 1.2832441333882256) internal successors, (3117), 2495 states have internal predecessors, (3117), 734 states have call successors, (734), 253 states have call predecessors, (734), 253 states have return successors, (734), 717 states have call predecessors, (734), 734 states have call successors, (734) [2022-10-15 21:15:25,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3442 states to 3442 states and 4585 transitions. [2022-10-15 21:15:25,405 INFO L78 Accepts]: Start accepts. Automaton has 3442 states and 4585 transitions. Word has length 159 [2022-10-15 21:15:25,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:15:25,406 INFO L495 AbstractCegarLoop]: Abstraction has 3442 states and 4585 transitions. [2022-10-15 21:15:25,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-15 21:15:25,406 INFO L276 IsEmpty]: Start isEmpty. Operand 3442 states and 4585 transitions. [2022-10-15 21:15:25,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-10-15 21:15:25,414 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:15:25,415 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 3, 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, 1, 1, 1, 1] [2022-10-15 21:15:25,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:15:25,416 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-15 21:15:25,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:15:25,417 INFO L85 PathProgramCache]: Analyzing trace with hash 232114961, now seen corresponding path program 1 times [2022-10-15 21:15:25,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:15:25,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039011387] [2022-10-15 21:15:25,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:15:25,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:15:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:26,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:15:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:26,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:15:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:26,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:15:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:26,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-15 21:15:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:26,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-15 21:15:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:26,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:15:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:26,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 21:15:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:26,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 21:15:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:26,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-15 21:15:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:26,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 21:15:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:26,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-15 21:15:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:26,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-15 21:15:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:26,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-15 21:15:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:26,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-15 21:15:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:26,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-10-15 21:15:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:26,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:15:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:26,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:15:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:26,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:15:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:26,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-15 21:15:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:26,398 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-10-15 21:15:26,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:15:26,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039011387] [2022-10-15 21:15:26,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039011387] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:15:26,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708575668] [2022-10-15 21:15:26,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:15:26,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:15:26,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:15:26,401 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:15:26,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process