/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-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--bluetooth--btmrvl_sdio.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:16:51,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:16:51,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:16:51,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:16:51,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:16:51,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:16:51,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:16:51,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:16:51,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:16:51,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:16:51,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:16:51,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:16:51,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:16:51,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:16:51,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:16:51,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:16:51,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:16:51,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:16:51,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:16:51,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:16:51,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:16:51,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:16:51,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:16:51,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:16:51,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:16:51,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:16:51,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:16:51,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:16:51,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:16:51,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:16:51,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:16:51,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:16:51,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:16:51,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:16:51,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:16:51,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:16:51,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:16:51,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:16:51,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:16:51,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:16:51,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:16:51,424 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 13:16:51,455 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:16:51,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:16:51,456 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:16:51,456 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:16:51,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:16:51,461 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:16:51,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:16:51,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:16:51,463 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:16:51,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:16:51,463 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:16:51,463 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:16:51,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:16:51,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:16:51,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:16:51,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:16:51,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:16:51,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:16:51,467 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:16:51,467 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:16:51,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:16:51,468 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:16:51,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:16:51,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:16:51,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:16:51,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:16:51,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:16:51,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:16:51,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:16:51,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:16:51,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:16:51,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:16:51,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:16:51,472 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:16:51,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:16:51,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:16:51,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:16:51,949 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:16:51,950 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:16:51,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--bluetooth--btmrvl_sdio.ko-entry_point.cil.out.i [2022-10-16 13:16:52,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c527e1c3/678da51a9a8843579000fc9fe96aa3fe/FLAGa006b4c01 [2022-10-16 13:16:53,218 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:16:53,219 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--bluetooth--btmrvl_sdio.ko-entry_point.cil.out.i [2022-10-16 13:16:53,266 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c527e1c3/678da51a9a8843579000fc9fe96aa3fe/FLAGa006b4c01 [2022-10-16 13:16:53,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c527e1c3/678da51a9a8843579000fc9fe96aa3fe [2022-10-16 13:16:53,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:16:53,613 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:16:53,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:16:53,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:16:53,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:16:53,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:16:53" (1/1) ... [2022-10-16 13:16:53,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bca187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:53, skipping insertion in model container [2022-10-16 13:16:53,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:16:53" (1/1) ... [2022-10-16 13:16:53,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:16:53,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:16:54,427 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5840] [2022-10-16 13:16:54,428 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5841-5842] [2022-10-16 13:16:54,618 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-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--bluetooth--btmrvl_sdio.ko-entry_point.cil.out.i[172993,173006] [2022-10-16 13:16:55,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:16:55,690 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:16:55,910 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5840] [2022-10-16 13:16:55,911 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5841-5842] [2022-10-16 13:16:55,917 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-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--bluetooth--btmrvl_sdio.ko-entry_point.cil.out.i[172993,173006] [2022-10-16 13:16:56,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:16:56,247 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:16:56,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:56 WrapperNode [2022-10-16 13:16:56,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:16:56,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:16:56,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:16:56,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:16:56,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:56" (1/1) ... [2022-10-16 13:16:56,321 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:56" (1/1) ... [2022-10-16 13:16:56,452 INFO L138 Inliner]: procedures = 156, calls = 1213, calls flagged for inlining = 65, calls inlined = 59, statements flattened = 2776 [2022-10-16 13:16:56,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:16:56,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:16:56,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:16:56,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:16:56,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:56" (1/1) ... [2022-10-16 13:16:56,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:56" (1/1) ... [2022-10-16 13:16:56,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:56" (1/1) ... [2022-10-16 13:16:56,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:56" (1/1) ... [2022-10-16 13:16:56,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:56" (1/1) ... [2022-10-16 13:16:56,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:56" (1/1) ... [2022-10-16 13:16:56,717 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:56" (1/1) ... [2022-10-16 13:16:56,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:56" (1/1) ... [2022-10-16 13:16:56,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:16:56,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:16:56,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:16:56,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:16:56,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:56" (1/1) ... [2022-10-16 13:16:56,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:16:56,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:16:56,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 13:16:56,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 13:16:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-16 13:16:56,975 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-16 13:16:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 13:16:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure sdio_release_host [2022-10-16 13:16:56,976 INFO L138 BoogieDeclarations]: Found implementation of procedure sdio_release_host [2022-10-16 13:16:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 13:16:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 13:16:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure btmrvl_sdio_unregister_dev [2022-10-16 13:16:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure btmrvl_sdio_unregister_dev [2022-10-16 13:16:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 13:16:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 13:16:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:16:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure sdio_get_host_pm_caps [2022-10-16 13:16:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure sdio_get_host_pm_caps [2022-10-16 13:16:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 13:16:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 13:16:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-16 13:16:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-16 13:16:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:16:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:16:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-16 13:16:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-16 13:16:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 13:16:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 13:16:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:16:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 13:16:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 13:16:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-10-16 13:16:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-10-16 13:16:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:16:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:16:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure btmrvl_sdio_disable_host_int [2022-10-16 13:16:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure btmrvl_sdio_disable_host_int [2022-10-16 13:16:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:16:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:16:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure sdio_writesb [2022-10-16 13:16:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure sdio_writesb [2022-10-16 13:16:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure sdio_writeb [2022-10-16 13:16:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure sdio_writeb [2022-10-16 13:16:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:16:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:16:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure sdio_release_irq [2022-10-16 13:16:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure sdio_release_irq [2022-10-16 13:16:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure sdio_disable_func [2022-10-16 13:16:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure sdio_disable_func [2022-10-16 13:16:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-16 13:16:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-16 13:16:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:16:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:16:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure btmrvl_sdio_resume [2022-10-16 13:16:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure btmrvl_sdio_resume [2022-10-16 13:16:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure sdio_claim_host [2022-10-16 13:16:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure sdio_claim_host [2022-10-16 13:16:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-16 13:16:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-16 13:16:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:16:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 13:16:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 13:16:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure hci_recv_frame [2022-10-16 13:16:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_recv_frame [2022-10-16 13:16:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure sdio_readsb [2022-10-16 13:16:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure sdio_readsb [2022-10-16 13:16:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:16:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-10-16 13:16:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-10-16 13:16:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:16:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure btmrvl_sdio_verify_fw_download [2022-10-16 13:16:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure btmrvl_sdio_verify_fw_download [2022-10-16 13:16:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-10-16 13:16:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-10-16 13:16:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure btmrvl_sdio_suspend [2022-10-16 13:16:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure btmrvl_sdio_suspend [2022-10-16 13:16:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-16 13:16:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-16 13:16:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-16 13:16:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-16 13:16:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-10-16 13:16:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-10-16 13:16:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-16 13:16:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-16 13:16:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure btmrvl_sdio_poll_card_status [2022-10-16 13:16:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure btmrvl_sdio_poll_card_status [2022-10-16 13:16:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-10-16 13:16:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-10-16 13:16:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:16:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 13:16:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:16:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:16:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:16:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:16:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure sdio_readb [2022-10-16 13:16:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure sdio_readb [2022-10-16 13:16:57,534 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:16:57,538 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:16:57,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 13:17:00,774 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:17:00,806 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:17:00,807 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 13:17:00,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:17:00 BoogieIcfgContainer [2022-10-16 13:17:00,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:17:00,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:17:00,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:17:00,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:17:00,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:16:53" (1/3) ... [2022-10-16 13:17:00,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e4c6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:17:00, skipping insertion in model container [2022-10-16 13:17:00,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:56" (2/3) ... [2022-10-16 13:17:00,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e4c6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:17:00, skipping insertion in model container [2022-10-16 13:17:00,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:17:00" (3/3) ... [2022-10-16 13:17:00,837 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--bluetooth--btmrvl_sdio.ko-entry_point.cil.out.i [2022-10-16 13:17:00,859 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:17:00,860 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 66 error locations. [2022-10-16 13:17:00,987 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:17:00,998 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;@24ed3b4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:17:00,998 INFO L358 AbstractCegarLoop]: Starting to check reachability of 66 error locations. [2022-10-16 13:17:01,009 INFO L276 IsEmpty]: Start isEmpty. Operand has 801 states, 567 states have (on average 1.4497354497354498) internal successors, (822), 640 states have internal predecessors, (822), 130 states have call successors, (130), 38 states have call predecessors, (130), 37 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2022-10-16 13:17:01,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 13:17:01,024 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:01,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:17:01,026 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:17:01,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:01,033 INFO L85 PathProgramCache]: Analyzing trace with hash 131175897, now seen corresponding path program 1 times [2022-10-16 13:17:01,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:01,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030745114] [2022-10-16 13:17:01,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:01,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:01,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:01,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:17:01,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:01,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030745114] [2022-10-16 13:17:01,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030745114] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:01,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:17:01,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:17:01,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393356493] [2022-10-16 13:17:01,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:01,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:17:01,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:01,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:17:01,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:17:01,840 INFO L87 Difference]: Start difference. First operand has 801 states, 567 states have (on average 1.4497354497354498) internal successors, (822), 640 states have internal predecessors, (822), 130 states have call successors, (130), 38 states have call predecessors, (130), 37 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 13:17:04,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:04,469 INFO L93 Difference]: Finished difference Result 2003 states and 2746 transitions. [2022-10-16 13:17:04,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:17:04,472 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-10-16 13:17:04,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:04,508 INFO L225 Difference]: With dead ends: 2003 [2022-10-16 13:17:04,508 INFO L226 Difference]: Without dead ends: 1178 [2022-10-16 13:17:04,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:17:04,540 INFO L413 NwaCegarLoop]: 1104 mSDtfsCounter, 604 mSDsluCounter, 1386 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 2490 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:04,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 2490 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 13:17:04,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2022-10-16 13:17:04,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1121. [2022-10-16 13:17:04,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 835 states have (on average 1.4203592814371258) internal successors, (1186), 892 states have internal predecessors, (1186), 174 states have call successors, (174), 58 states have call predecessors, (174), 58 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2022-10-16 13:17:04,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1534 transitions. [2022-10-16 13:17:04,779 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1534 transitions. Word has length 19 [2022-10-16 13:17:04,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:04,780 INFO L495 AbstractCegarLoop]: Abstraction has 1121 states and 1534 transitions. [2022-10-16 13:17:04,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 13:17:04,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1534 transitions. [2022-10-16 13:17:04,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 13:17:04,784 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:04,784 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:17:04,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:17:04,785 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:17:04,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:04,786 INFO L85 PathProgramCache]: Analyzing trace with hash -557297522, now seen corresponding path program 1 times [2022-10-16 13:17:04,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:04,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294132876] [2022-10-16 13:17:04,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:04,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:04,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:05,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:17:05,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:05,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294132876] [2022-10-16 13:17:05,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294132876] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:05,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:17:05,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:17:05,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938114958] [2022-10-16 13:17:05,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:05,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:17:05,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:05,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:17:05,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:17:05,019 INFO L87 Difference]: Start difference. First operand 1121 states and 1534 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 13:17:07,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:07,798 INFO L93 Difference]: Finished difference Result 2739 states and 3752 transitions. [2022-10-16 13:17:07,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:17:07,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-10-16 13:17:07,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:07,812 INFO L225 Difference]: With dead ends: 2739 [2022-10-16 13:17:07,812 INFO L226 Difference]: Without dead ends: 1623 [2022-10-16 13:17:07,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:17:07,819 INFO L413 NwaCegarLoop]: 1564 mSDtfsCounter, 624 mSDsluCounter, 1564 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 3128 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:07,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 3128 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 13:17:07,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2022-10-16 13:17:07,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1565. [2022-10-16 13:17:07,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1565 states, 1178 states have (on average 1.4108658743633278) internal successors, (1662), 1236 states have internal predecessors, (1662), 250 states have call successors, (250), 83 states have call predecessors, (250), 83 states have return successors, (250), 249 states have call predecessors, (250), 250 states have call successors, (250) [2022-10-16 13:17:07,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 2162 transitions. [2022-10-16 13:17:07,917 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 2162 transitions. Word has length 24 [2022-10-16 13:17:07,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:07,918 INFO L495 AbstractCegarLoop]: Abstraction has 1565 states and 2162 transitions. [2022-10-16 13:17:07,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 13:17:07,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 2162 transitions. [2022-10-16 13:17:07,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 13:17:07,921 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:07,921 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-10-16 13:17:07,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:17:07,922 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:17:07,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:07,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1075939752, now seen corresponding path program 1 times [2022-10-16 13:17:07,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:07,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347986274] [2022-10-16 13:17:07,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:07,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:08,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:08,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:08,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:17:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:08,215 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 13:17:08,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:08,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347986274] [2022-10-16 13:17:08,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347986274] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:08,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:17:08,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:17:08,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11671591] [2022-10-16 13:17:08,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:08,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:17:08,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:08,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:17:08,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:17:08,219 INFO L87 Difference]: Start difference. First operand 1565 states and 2162 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 13:17:10,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:10,337 INFO L93 Difference]: Finished difference Result 3162 states and 4383 transitions. [2022-10-16 13:17:10,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:17:10,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2022-10-16 13:17:10,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:10,350 INFO L225 Difference]: With dead ends: 3162 [2022-10-16 13:17:10,350 INFO L226 Difference]: Without dead ends: 1601 [2022-10-16 13:17:10,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:17:10,357 INFO L413 NwaCegarLoop]: 1022 mSDtfsCounter, 91 mSDsluCounter, 2190 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 3212 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:10,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 3212 Invalid, 881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 13:17:10,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2022-10-16 13:17:10,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1565. [2022-10-16 13:17:10,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1565 states, 1178 states have (on average 1.4074702886247878) internal successors, (1658), 1236 states have internal predecessors, (1658), 250 states have call successors, (250), 83 states have call predecessors, (250), 83 states have return successors, (250), 249 states have call predecessors, (250), 250 states have call successors, (250) [2022-10-16 13:17:10,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 2158 transitions. [2022-10-16 13:17:10,447 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 2158 transitions. Word has length 45 [2022-10-16 13:17:10,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:10,448 INFO L495 AbstractCegarLoop]: Abstraction has 1565 states and 2158 transitions. [2022-10-16 13:17:10,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 13:17:10,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 2158 transitions. [2022-10-16 13:17:10,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 13:17:10,450 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:10,451 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-10-16 13:17:10,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:17:10,451 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:17:10,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:10,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1585412842, now seen corresponding path program 1 times [2022-10-16 13:17:10,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:10,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630672866] [2022-10-16 13:17:10,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:10,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:10,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:10,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:10,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:17:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:10,717 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 13:17:10,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:10,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630672866] [2022-10-16 13:17:10,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630672866] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:10,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:17:10,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:17:10,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735888290] [2022-10-16 13:17:10,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:10,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:17:10,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:10,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:17:10,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:17:10,721 INFO L87 Difference]: Start difference. First operand 1565 states and 2158 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 13:17:13,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:13,285 INFO L93 Difference]: Finished difference Result 3678 states and 5033 transitions. [2022-10-16 13:17:13,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:17:13,286 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2022-10-16 13:17:13,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:13,301 INFO L225 Difference]: With dead ends: 3678 [2022-10-16 13:17:13,302 INFO L226 Difference]: Without dead ends: 2129 [2022-10-16 13:17:13,309 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 [2022-10-16 13:17:13,313 INFO L413 NwaCegarLoop]: 1295 mSDtfsCounter, 1032 mSDsluCounter, 1135 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1130 SdHoareTripleChecker+Valid, 2430 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:13,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1130 Valid, 2430 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 13:17:13,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2129 states. [2022-10-16 13:17:13,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2129 to 2042. [2022-10-16 13:17:13,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2042 states, 1551 states have (on average 1.4010315925209542) internal successors, (2173), 1611 states have internal predecessors, (2173), 317 states have call successors, (317), 120 states have call predecessors, (317), 120 states have return successors, (317), 315 states have call predecessors, (317), 317 states have call successors, (317) [2022-10-16 13:17:13,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2042 states to 2042 states and 2807 transitions. [2022-10-16 13:17:13,455 INFO L78 Accepts]: Start accepts. Automaton has 2042 states and 2807 transitions. Word has length 45 [2022-10-16 13:17:13,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:13,456 INFO L495 AbstractCegarLoop]: Abstraction has 2042 states and 2807 transitions. [2022-10-16 13:17:13,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 13:17:13,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2042 states and 2807 transitions. [2022-10-16 13:17:13,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 13:17:13,464 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:13,465 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-10-16 13:17:13,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 13:17:13,466 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:17:13,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:13,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1613651825, now seen corresponding path program 1 times [2022-10-16 13:17:13,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:13,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318366880] [2022-10-16 13:17:13,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:13,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:13,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:13,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:13,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:17:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:13,860 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:17:13,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:13,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318366880] [2022-10-16 13:17:13,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318366880] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:13,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:17:13,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 13:17:13,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679792759] [2022-10-16 13:17:13,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:13,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:17:13,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:13,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:17:13,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:17:13,863 INFO L87 Difference]: Start difference. First operand 2042 states and 2807 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 13:17:16,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:16,510 INFO L93 Difference]: Finished difference Result 3294 states and 4524 transitions. [2022-10-16 13:17:16,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:17:16,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2022-10-16 13:17:16,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:16,534 INFO L225 Difference]: With dead ends: 3294 [2022-10-16 13:17:16,534 INFO L226 Difference]: Without dead ends: 3288 [2022-10-16 13:17:16,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:17:16,538 INFO L413 NwaCegarLoop]: 1314 mSDtfsCounter, 1030 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1129 SdHoareTripleChecker+Valid, 2781 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:16,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1129 Valid, 2781 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 13:17:16,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3288 states. [2022-10-16 13:17:16,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3288 to 3160. [2022-10-16 13:17:16,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3160 states, 2416 states have (on average 1.396523178807947) internal successors, (3374), 2480 states have internal predecessors, (3374), 510 states have call successors, (510), 180 states have call predecessors, (510), 180 states have return successors, (510), 507 states have call predecessors, (510), 510 states have call successors, (510) [2022-10-16 13:17:16,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 3160 states and 4394 transitions. [2022-10-16 13:17:16,736 INFO L78 Accepts]: Start accepts. Automaton has 3160 states and 4394 transitions. Word has length 50 [2022-10-16 13:17:16,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:16,736 INFO L495 AbstractCegarLoop]: Abstraction has 3160 states and 4394 transitions. [2022-10-16 13:17:16,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 13:17:16,737 INFO L276 IsEmpty]: Start isEmpty. Operand 3160 states and 4394 transitions. [2022-10-16 13:17:16,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 13:17:16,740 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:16,740 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-10-16 13:17:16,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 13:17:16,741 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:17:16,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:16,742 INFO L85 PathProgramCache]: Analyzing trace with hash 137074703, now seen corresponding path program 1 times [2022-10-16 13:17:16,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:16,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109730408] [2022-10-16 13:17:16,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:16,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:17,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:17,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:17,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:17:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:17,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:17:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:17,100 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 13:17:17,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:17,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109730408] [2022-10-16 13:17:17,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109730408] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:17,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:17:17,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:17:17,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386244728] [2022-10-16 13:17:17,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:17,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:17:17,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:17,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:17:17,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:17:17,109 INFO L87 Difference]: Start difference. First operand 3160 states and 4394 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:17:19,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:19,399 INFO L93 Difference]: Finished difference Result 7548 states and 10492 transitions. [2022-10-16 13:17:19,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 13:17:19,399 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 63 [2022-10-16 13:17:19,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:19,439 INFO L225 Difference]: With dead ends: 7548 [2022-10-16 13:17:19,439 INFO L226 Difference]: Without dead ends: 5518 [2022-10-16 13:17:19,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:17:19,451 INFO L413 NwaCegarLoop]: 1991 mSDtfsCounter, 1174 mSDsluCounter, 3588 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1280 SdHoareTripleChecker+Valid, 5579 SdHoareTripleChecker+Invalid, 1392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:19,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1280 Valid, 5579 Invalid, 1392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 13:17:19,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5518 states. [2022-10-16 13:17:19,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5518 to 3168. [2022-10-16 13:17:19,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3168 states, 2424 states have (on average 1.3952145214521452) internal successors, (3382), 2488 states have internal predecessors, (3382), 510 states have call successors, (510), 180 states have call predecessors, (510), 180 states have return successors, (510), 507 states have call predecessors, (510), 510 states have call successors, (510) [2022-10-16 13:17:19,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 3168 states and 4402 transitions. [2022-10-16 13:17:19,753 INFO L78 Accepts]: Start accepts. Automaton has 3168 states and 4402 transitions. Word has length 63 [2022-10-16 13:17:19,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:19,754 INFO L495 AbstractCegarLoop]: Abstraction has 3168 states and 4402 transitions. [2022-10-16 13:17:19,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:17:19,754 INFO L276 IsEmpty]: Start isEmpty. Operand 3168 states and 4402 transitions. [2022-10-16 13:17:19,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 13:17:19,757 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:19,757 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2022-10-16 13:17:19,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 13:17:19,758 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:17:19,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:19,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1418253766, now seen corresponding path program 1 times [2022-10-16 13:17:19,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:19,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138257161] [2022-10-16 13:17:19,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:19,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:20,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:20,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:20,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:17:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:20,220 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 13:17:20,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:20,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138257161] [2022-10-16 13:17:20,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138257161] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:17:20,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939494886] [2022-10-16 13:17:20,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:20,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:17:20,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:17:20,230 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:17:20,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 13:17:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:20,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 1413 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 13:17:20,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:17:20,707 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:17:20,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:17:20,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939494886] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:20,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:17:20,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 13:17:20,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519463662] [2022-10-16 13:17:20,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:20,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:17:20,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:20,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:17:20,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:17:20,710 INFO L87 Difference]: Start difference. First operand 3168 states and 4402 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2022-10-16 13:17:21,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:21,161 INFO L93 Difference]: Finished difference Result 7300 states and 10159 transitions. [2022-10-16 13:17:21,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:17:21,162 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 66 [2022-10-16 13:17:21,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:21,193 INFO L225 Difference]: With dead ends: 7300 [2022-10-16 13:17:21,193 INFO L226 Difference]: Without dead ends: 4180 [2022-10-16 13:17:21,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:17:21,207 INFO L413 NwaCegarLoop]: 1534 mSDtfsCounter, 980 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 980 SdHoareTripleChecker+Valid, 2163 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:21,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [980 Valid, 2163 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:17:21,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4180 states. [2022-10-16 13:17:21,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4180 to 4146. [2022-10-16 13:17:21,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4146 states, 3194 states have (on average 1.3988728866624922) internal successors, (4468), 3259 states have internal predecessors, (4468), 663 states have call successors, (663), 235 states have call predecessors, (663), 235 states have return successors, (663), 661 states have call predecessors, (663), 663 states have call successors, (663) [2022-10-16 13:17:21,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4146 states to 4146 states and 5794 transitions. [2022-10-16 13:17:21,543 INFO L78 Accepts]: Start accepts. Automaton has 4146 states and 5794 transitions. Word has length 66 [2022-10-16 13:17:21,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:21,544 INFO L495 AbstractCegarLoop]: Abstraction has 4146 states and 5794 transitions. [2022-10-16 13:17:21,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2022-10-16 13:17:21,545 INFO L276 IsEmpty]: Start isEmpty. Operand 4146 states and 5794 transitions. [2022-10-16 13:17:21,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 13:17:21,548 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:21,548 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2022-10-16 13:17:21,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 13:17:21,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:17:21,763 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:17:21,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:21,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1623164214, now seen corresponding path program 1 times [2022-10-16 13:17:21,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:21,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059977344] [2022-10-16 13:17:21,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:21,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:21,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:21,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:21,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:17:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:21,966 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:17:21,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:21,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059977344] [2022-10-16 13:17:21,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059977344] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:21,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:17:21,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:17:21,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299516047] [2022-10-16 13:17:21,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:21,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:17:21,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:21,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:17:21,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:17:21,969 INFO L87 Difference]: Start difference. First operand 4146 states and 5794 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-10-16 13:17:25,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:25,341 INFO L93 Difference]: Finished difference Result 9582 states and 13387 transitions. [2022-10-16 13:17:25,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:17:25,342 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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 67 [2022-10-16 13:17:25,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:25,385 INFO L225 Difference]: With dead ends: 9582 [2022-10-16 13:17:25,385 INFO L226 Difference]: Without dead ends: 5484 [2022-10-16 13:17:25,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:17:25,404 INFO L413 NwaCegarLoop]: 1612 mSDtfsCounter, 694 mSDsluCounter, 1602 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 769 SdHoareTripleChecker+Valid, 3214 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:25,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [769 Valid, 3214 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-10-16 13:17:25,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5484 states. [2022-10-16 13:17:25,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5484 to 5328. [2022-10-16 13:17:25,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5328 states, 4118 states have (on average 1.3912093249150073) internal successors, (5729), 4185 states have internal predecessors, (5729), 850 states have call successors, (850), 306 states have call predecessors, (850), 306 states have return successors, (850), 848 states have call predecessors, (850), 850 states have call successors, (850) [2022-10-16 13:17:25,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5328 states to 5328 states and 7429 transitions. [2022-10-16 13:17:25,924 INFO L78 Accepts]: Start accepts. Automaton has 5328 states and 7429 transitions. Word has length 67 [2022-10-16 13:17:25,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:25,926 INFO L495 AbstractCegarLoop]: Abstraction has 5328 states and 7429 transitions. [2022-10-16 13:17:25,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-10-16 13:17:25,927 INFO L276 IsEmpty]: Start isEmpty. Operand 5328 states and 7429 transitions. [2022-10-16 13:17:25,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 13:17:25,930 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:25,931 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2022-10-16 13:17:25,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 13:17:25,931 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:17:25,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:25,932 INFO L85 PathProgramCache]: Analyzing trace with hash -2104475591, now seen corresponding path program 1 times [2022-10-16 13:17:25,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:25,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604789645] [2022-10-16 13:17:25,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:25,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:26,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:26,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:26,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:17:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 13:17:26,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:26,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604789645] [2022-10-16 13:17:26,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604789645] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:26,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:17:26,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:17:26,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201009681] [2022-10-16 13:17:26,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:26,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:17:26,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:26,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:17:26,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:17:26,160 INFO L87 Difference]: Start difference. First operand 5328 states and 7429 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 13:17:28,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:28,880 INFO L93 Difference]: Finished difference Result 8661 states and 12031 transitions. [2022-10-16 13:17:28,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:17:28,881 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 67 [2022-10-16 13:17:28,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:28,933 INFO L225 Difference]: With dead ends: 8661 [2022-10-16 13:17:28,934 INFO L226 Difference]: Without dead ends: 3381 [2022-10-16 13:17:28,953 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 [2022-10-16 13:17:28,956 INFO L413 NwaCegarLoop]: 1127 mSDtfsCounter, 684 mSDsluCounter, 1350 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 2477 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:28,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 2477 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 13:17:28,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3381 states. [2022-10-16 13:17:29,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3381 to 3277. [2022-10-16 13:17:29,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3277 states, 2534 states have (on average 1.3847671665351224) internal successors, (3509), 2596 states have internal predecessors, (3509), 499 states have call successors, (499), 190 states have call predecessors, (499), 190 states have return successors, (499), 497 states have call predecessors, (499), 499 states have call successors, (499) [2022-10-16 13:17:29,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3277 states to 3277 states and 4507 transitions. [2022-10-16 13:17:29,238 INFO L78 Accepts]: Start accepts. Automaton has 3277 states and 4507 transitions. Word has length 67 [2022-10-16 13:17:29,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:29,238 INFO L495 AbstractCegarLoop]: Abstraction has 3277 states and 4507 transitions. [2022-10-16 13:17:29,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 13:17:29,239 INFO L276 IsEmpty]: Start isEmpty. Operand 3277 states and 4507 transitions. [2022-10-16 13:17:29,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 13:17:29,244 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:29,244 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-10-16 13:17:29,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 13:17:29,244 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:17:29,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:29,245 INFO L85 PathProgramCache]: Analyzing trace with hash -36520006, now seen corresponding path program 1 times [2022-10-16 13:17:29,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:29,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531616474] [2022-10-16 13:17:29,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:29,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:29,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:29,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:29,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:17:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:29,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:17:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:29,528 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 13:17:29,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:29,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531616474] [2022-10-16 13:17:29,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531616474] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:29,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:17:29,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:17:29,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55584166] [2022-10-16 13:17:29,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:29,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:17:29,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:29,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:17:29,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:17:29,532 INFO L87 Difference]: Start difference. First operand 3277 states and 4507 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:17:32,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:32,411 INFO L93 Difference]: Finished difference Result 6769 states and 9307 transitions. [2022-10-16 13:17:32,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:17:32,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 81 [2022-10-16 13:17:32,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:32,430 INFO L225 Difference]: With dead ends: 6769 [2022-10-16 13:17:32,430 INFO L226 Difference]: Without dead ends: 3968 [2022-10-16 13:17:32,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:17:32,441 INFO L413 NwaCegarLoop]: 1587 mSDtfsCounter, 715 mSDsluCounter, 1600 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 295 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 782 SdHoareTripleChecker+Valid, 3187 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 295 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:32,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [782 Valid, 3187 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [295 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 13:17:32,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3968 states. [2022-10-16 13:17:32,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3968 to 3848. [2022-10-16 13:17:32,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3848 states, 2988 states have (on average 1.3831994645247658) internal successors, (4133), 3051 states have internal predecessors, (4133), 583 states have call successors, (583), 223 states have call predecessors, (583), 223 states have return successors, (583), 581 states have call predecessors, (583), 583 states have call successors, (583) [2022-10-16 13:17:32,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3848 states to 3848 states and 5299 transitions. [2022-10-16 13:17:32,679 INFO L78 Accepts]: Start accepts. Automaton has 3848 states and 5299 transitions. Word has length 81 [2022-10-16 13:17:32,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:32,680 INFO L495 AbstractCegarLoop]: Abstraction has 3848 states and 5299 transitions. [2022-10-16 13:17:32,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:17:32,680 INFO L276 IsEmpty]: Start isEmpty. Operand 3848 states and 5299 transitions. [2022-10-16 13:17:32,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 13:17:32,691 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:32,691 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-10-16 13:17:32,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 13:17:32,692 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting btmrvl_sdio_verify_fw_downloadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:17:32,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:32,693 INFO L85 PathProgramCache]: Analyzing trace with hash -72994075, now seen corresponding path program 1 times [2022-10-16 13:17:32,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:32,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463534070] [2022-10-16 13:17:32,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:32,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:33,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:33,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:33,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:17:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:33,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:17:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:33,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:17:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:33,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 13:17:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:33,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 13:17:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:33,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-10-16 13:17:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:33,367 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 13:17:33,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:33,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463534070] [2022-10-16 13:17:33,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463534070] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:33,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:17:33,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 13:17:33,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976839212] [2022-10-16 13:17:33,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:33,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:17:33,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:33,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:17:33,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:17:33,371 INFO L87 Difference]: Start difference. First operand 3848 states and 5299 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 13:17:35,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:35,549 INFO L93 Difference]: Finished difference Result 8338 states and 11525 transitions. [2022-10-16 13:17:35,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:17:35,551 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 88 [2022-10-16 13:17:35,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:35,574 INFO L225 Difference]: With dead ends: 8338 [2022-10-16 13:17:35,574 INFO L226 Difference]: Without dead ends: 4538 [2022-10-16 13:17:35,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:17:35,586 INFO L413 NwaCegarLoop]: 1146 mSDtfsCounter, 513 mSDsluCounter, 3334 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 4480 SdHoareTripleChecker+Invalid, 1304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:35,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 4480 Invalid, 1304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 13:17:35,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4538 states. [2022-10-16 13:17:35,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4538 to 3863. [2022-10-16 13:17:35,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3863 states, 3003 states have (on average 1.3812853812853814) internal successors, (4148), 3061 states have internal predecessors, (4148), 583 states have call successors, (583), 223 states have call predecessors, (583), 223 states have return successors, (583), 581 states have call predecessors, (583), 583 states have call successors, (583) [2022-10-16 13:17:35,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3863 states to 3863 states and 5314 transitions. [2022-10-16 13:17:35,825 INFO L78 Accepts]: Start accepts. Automaton has 3863 states and 5314 transitions. Word has length 88 [2022-10-16 13:17:35,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:35,825 INFO L495 AbstractCegarLoop]: Abstraction has 3863 states and 5314 transitions. [2022-10-16 13:17:35,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 13:17:35,826 INFO L276 IsEmpty]: Start isEmpty. Operand 3863 states and 5314 transitions. [2022-10-16 13:17:35,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 13:17:35,830 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:35,830 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 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] [2022-10-16 13:17:35,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 13:17:35,830 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:17:35,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:35,831 INFO L85 PathProgramCache]: Analyzing trace with hash -849457495, now seen corresponding path program 2 times [2022-10-16 13:17:35,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:35,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216455278] [2022-10-16 13:17:35,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:35,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:36,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:36,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:36,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:17:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:36,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:17:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:36,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 13:17:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:36,069 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-10-16 13:17:36,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:36,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216455278] [2022-10-16 13:17:36,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216455278] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:36,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:17:36,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:17:36,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957150458] [2022-10-16 13:17:36,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:36,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:17:36,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:36,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:17:36,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:17:36,072 INFO L87 Difference]: Start difference. First operand 3863 states and 5314 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-10-16 13:17:37,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:37,948 INFO L93 Difference]: Finished difference Result 7682 states and 10594 transitions. [2022-10-16 13:17:37,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:17:37,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 92 [2022-10-16 13:17:37,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:37,968 INFO L225 Difference]: With dead ends: 7682 [2022-10-16 13:17:37,968 INFO L226 Difference]: Without dead ends: 3867 [2022-10-16 13:17:37,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:17:37,979 INFO L413 NwaCegarLoop]: 1045 mSDtfsCounter, 983 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 1628 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:37,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1079 Valid, 1628 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 13:17:37,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3867 states. [2022-10-16 13:17:38,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3867 to 3773. [2022-10-16 13:17:38,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3773 states, 2922 states have (on average 1.37782340862423) internal successors, (4026), 2978 states have internal predecessors, (4026), 577 states have call successors, (577), 220 states have call predecessors, (577), 220 states have return successors, (577), 577 states have call predecessors, (577), 577 states have call successors, (577) [2022-10-16 13:17:38,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3773 states to 3773 states and 5180 transitions. [2022-10-16 13:17:38,213 INFO L78 Accepts]: Start accepts. Automaton has 3773 states and 5180 transitions. Word has length 92 [2022-10-16 13:17:38,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:38,214 INFO L495 AbstractCegarLoop]: Abstraction has 3773 states and 5180 transitions. [2022-10-16 13:17:38,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-10-16 13:17:38,214 INFO L276 IsEmpty]: Start isEmpty. Operand 3773 states and 5180 transitions. [2022-10-16 13:17:38,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 13:17:38,217 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:38,218 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1] [2022-10-16 13:17:38,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 13:17:38,218 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:17:38,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:38,218 INFO L85 PathProgramCache]: Analyzing trace with hash -207063351, now seen corresponding path program 1 times [2022-10-16 13:17:38,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:38,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191137553] [2022-10-16 13:17:38,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:38,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:38,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:38,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:38,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:17:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:38,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:17:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:38,477 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-10-16 13:17:38,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:38,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191137553] [2022-10-16 13:17:38,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191137553] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:38,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:17:38,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:17:38,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145425562] [2022-10-16 13:17:38,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:38,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:17:38,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:38,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:17:38,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:17:38,480 INFO L87 Difference]: Start difference. First operand 3773 states and 5180 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:17:42,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:42,775 INFO L93 Difference]: Finished difference Result 7763 states and 10653 transitions. [2022-10-16 13:17:42,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:17:42,775 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 92 [2022-10-16 13:17:42,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:42,793 INFO L225 Difference]: With dead ends: 7763 [2022-10-16 13:17:42,794 INFO L226 Difference]: Without dead ends: 4464 [2022-10-16 13:17:42,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:17:42,804 INFO L413 NwaCegarLoop]: 1580 mSDtfsCounter, 618 mSDsluCounter, 2340 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 3920 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:42,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 3920 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-10-16 13:17:42,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4464 states. [2022-10-16 13:17:43,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4464 to 4332. [2022-10-16 13:17:43,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4332 states, 3364 states have (on average 1.3760404280618312) internal successors, (4629), 3420 states have internal predecessors, (4629), 661 states have call successors, (661), 253 states have call predecessors, (661), 253 states have return successors, (661), 661 states have call predecessors, (661), 661 states have call successors, (661) [2022-10-16 13:17:43,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4332 states to 4332 states and 5951 transitions. [2022-10-16 13:17:43,069 INFO L78 Accepts]: Start accepts. Automaton has 4332 states and 5951 transitions. Word has length 92 [2022-10-16 13:17:43,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:43,070 INFO L495 AbstractCegarLoop]: Abstraction has 4332 states and 5951 transitions. [2022-10-16 13:17:43,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:17:43,070 INFO L276 IsEmpty]: Start isEmpty. Operand 4332 states and 5951 transitions. [2022-10-16 13:17:43,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 13:17:43,073 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:43,074 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-10-16 13:17:43,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 13:17:43,074 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting btmrvl_sdio_verify_fw_downloadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:17:43,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:43,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1454013745, now seen corresponding path program 1 times [2022-10-16 13:17:43,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:43,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286091130] [2022-10-16 13:17:43,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:43,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:43,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:43,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:43,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:17:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:43,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:17:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:43,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:17:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:43,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 13:17:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:43,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:17:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:43,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:17:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:43,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:17:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:43,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 13:17:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:43,375 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 13:17:43,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:43,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286091130] [2022-10-16 13:17:43,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286091130] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:43,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:17:43,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:17:43,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990288678] [2022-10-16 13:17:43,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:43,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:17:43,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:43,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:17:43,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:17:43,378 INFO L87 Difference]: Start difference. First operand 4332 states and 5951 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 13:17:45,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:45,346 INFO L93 Difference]: Finished difference Result 8719 states and 11994 transitions. [2022-10-16 13:17:45,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:17:45,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 99 [2022-10-16 13:17:45,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:45,365 INFO L225 Difference]: With dead ends: 8719 [2022-10-16 13:17:45,365 INFO L226 Difference]: Without dead ends: 4448 [2022-10-16 13:17:45,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:17:45,379 INFO L413 NwaCegarLoop]: 1019 mSDtfsCounter, 98 mSDsluCounter, 1999 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 3018 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:45,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 3018 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 13:17:45,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4448 states. [2022-10-16 13:17:45,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4448 to 4338. [2022-10-16 13:17:45,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4338 states, 3370 states have (on average 1.3753709198813056) internal successors, (4635), 3426 states have internal predecessors, (4635), 661 states have call successors, (661), 253 states have call predecessors, (661), 253 states have return successors, (661), 661 states have call predecessors, (661), 661 states have call successors, (661) [2022-10-16 13:17:45,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4338 states to 4338 states and 5957 transitions. [2022-10-16 13:17:45,732 INFO L78 Accepts]: Start accepts. Automaton has 4338 states and 5957 transitions. Word has length 99 [2022-10-16 13:17:45,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:45,733 INFO L495 AbstractCegarLoop]: Abstraction has 4338 states and 5957 transitions. [2022-10-16 13:17:45,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 13:17:45,733 INFO L276 IsEmpty]: Start isEmpty. Operand 4338 states and 5957 transitions. [2022-10-16 13:17:45,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 13:17:45,737 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:45,737 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-10-16 13:17:45,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 13:17:45,737 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting btmrvl_sdio_verify_fw_downloadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:17:45,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:45,738 INFO L85 PathProgramCache]: Analyzing trace with hash -901791505, now seen corresponding path program 1 times [2022-10-16 13:17:45,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:45,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044658969] [2022-10-16 13:17:45,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:45,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:45,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:45,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:45,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:17:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:46,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:17:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:46,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:17:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:46,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 13:17:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:46,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:17:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:46,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:17:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:46,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:17:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:46,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 13:17:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:46,059 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 13:17:46,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:46,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044658969] [2022-10-16 13:17:46,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044658969] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:46,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:17:46,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:17:46,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641364318] [2022-10-16 13:17:46,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:46,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:17:46,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:46,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:17:46,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:17:46,065 INFO L87 Difference]: Start difference. First operand 4338 states and 5957 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 13:17:47,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:47,218 INFO L93 Difference]: Finished difference Result 8731 states and 12006 transitions. [2022-10-16 13:17:47,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:17:47,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 99 [2022-10-16 13:17:47,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:47,238 INFO L225 Difference]: With dead ends: 8731 [2022-10-16 13:17:47,238 INFO L226 Difference]: Without dead ends: 4454 [2022-10-16 13:17:47,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:17:47,252 INFO L413 NwaCegarLoop]: 1019 mSDtfsCounter, 186 mSDsluCounter, 1473 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 2492 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:47,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 2492 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 13:17:47,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4454 states. [2022-10-16 13:17:47,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4454 to 4344. [2022-10-16 13:17:47,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4344 states, 3376 states have (on average 1.3747037914691944) internal successors, (4641), 3432 states have internal predecessors, (4641), 661 states have call successors, (661), 253 states have call predecessors, (661), 253 states have return successors, (661), 661 states have call predecessors, (661), 661 states have call successors, (661) [2022-10-16 13:17:47,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4344 states to 4344 states and 5963 transitions. [2022-10-16 13:17:47,585 INFO L78 Accepts]: Start accepts. Automaton has 4344 states and 5963 transitions. Word has length 99 [2022-10-16 13:17:47,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:47,586 INFO L495 AbstractCegarLoop]: Abstraction has 4344 states and 5963 transitions. [2022-10-16 13:17:47,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 13:17:47,586 INFO L276 IsEmpty]: Start isEmpty. Operand 4344 states and 5963 transitions. [2022-10-16 13:17:47,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 13:17:47,590 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:47,591 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-10-16 13:17:47,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 13:17:47,591 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting btmrvl_sdio_verify_fw_downloadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:17:47,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:47,592 INFO L85 PathProgramCache]: Analyzing trace with hash -761242895, now seen corresponding path program 1 times [2022-10-16 13:17:47,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:47,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117413185] [2022-10-16 13:17:47,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:47,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:47,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:47,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:47,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:17:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:47,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:17:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:47,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:17:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:47,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 13:17:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:47,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:17:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:47,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:17:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:47,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:17:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:47,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 13:17:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:47,973 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 13:17:47,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:47,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117413185] [2022-10-16 13:17:47,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117413185] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:47,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:17:47,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:17:47,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891310529] [2022-10-16 13:17:47,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:47,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:17:47,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:47,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:17:47,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:17:47,976 INFO L87 Difference]: Start difference. First operand 4344 states and 5963 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 13:17:49,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:49,212 INFO L93 Difference]: Finished difference Result 4588 states and 6320 transitions. [2022-10-16 13:17:49,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:17:49,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 99 [2022-10-16 13:17:49,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:49,237 INFO L225 Difference]: With dead ends: 4588 [2022-10-16 13:17:49,237 INFO L226 Difference]: Without dead ends: 4586 [2022-10-16 13:17:49,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:17:49,241 INFO L413 NwaCegarLoop]: 1020 mSDtfsCounter, 199 mSDsluCounter, 1469 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 2489 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:49,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 2489 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 13:17:49,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4586 states. [2022-10-16 13:17:49,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4586 to 4464. [2022-10-16 13:17:49,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4464 states, 3472 states have (on average 1.372983870967742) internal successors, (4767), 3528 states have internal predecessors, (4767), 685 states have call successors, (685), 253 states have call predecessors, (685), 253 states have return successors, (685), 685 states have call predecessors, (685), 685 states have call successors, (685) [2022-10-16 13:17:49,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4464 states to 4464 states and 6137 transitions. [2022-10-16 13:17:49,522 INFO L78 Accepts]: Start accepts. Automaton has 4464 states and 6137 transitions. Word has length 99 [2022-10-16 13:17:49,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:49,523 INFO L495 AbstractCegarLoop]: Abstraction has 4464 states and 6137 transitions. [2022-10-16 13:17:49,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 13:17:49,523 INFO L276 IsEmpty]: Start isEmpty. Operand 4464 states and 6137 transitions. [2022-10-16 13:17:49,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 13:17:49,529 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:49,529 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:17:49,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 13:17:49,529 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:17:49,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:49,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1903406626, now seen corresponding path program 1 times [2022-10-16 13:17:49,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:49,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172680762] [2022-10-16 13:17:49,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:49,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:49,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:49,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:49,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:17:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:49,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:17:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:49,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:17:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:49,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 13:17:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:49,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:17:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:49,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 13:17:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:49,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 13:17:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:50,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-16 13:17:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:50,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 13:17:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:50,020 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-16 13:17:50,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:50,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172680762] [2022-10-16 13:17:50,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172680762] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:50,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:17:50,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 13:17:50,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768188470] [2022-10-16 13:17:50,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:50,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:17:50,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:50,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:17:50,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:17:50,024 INFO L87 Difference]: Start difference. First operand 4464 states and 6137 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 13:17:51,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:51,933 INFO L93 Difference]: Finished difference Result 9001 states and 12390 transitions. [2022-10-16 13:17:51,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:17:51,934 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 102 [2022-10-16 13:17:51,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:51,956 INFO L225 Difference]: With dead ends: 9001 [2022-10-16 13:17:51,956 INFO L226 Difference]: Without dead ends: 4598 [2022-10-16 13:17:51,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:17:51,970 INFO L413 NwaCegarLoop]: 1006 mSDtfsCounter, 208 mSDsluCounter, 2270 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 3276 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 269 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:51,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 3276 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [269 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 13:17:51,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4598 states. [2022-10-16 13:17:52,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4598 to 4476. [2022-10-16 13:17:52,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4476 states, 3478 states have (on average 1.372340425531915) internal successors, (4773), 3540 states have internal predecessors, (4773), 685 states have call successors, (685), 253 states have call predecessors, (685), 259 states have return successors, (691), 685 states have call predecessors, (691), 685 states have call successors, (691) [2022-10-16 13:17:52,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4476 states to 4476 states and 6149 transitions. [2022-10-16 13:17:52,366 INFO L78 Accepts]: Start accepts. Automaton has 4476 states and 6149 transitions. Word has length 102 [2022-10-16 13:17:52,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:52,367 INFO L495 AbstractCegarLoop]: Abstraction has 4476 states and 6149 transitions. [2022-10-16 13:17:52,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 13:17:52,367 INFO L276 IsEmpty]: Start isEmpty. Operand 4476 states and 6149 transitions. [2022-10-16 13:17:52,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 13:17:52,372 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:52,372 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-10-16 13:17:52,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 13:17:52,372 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:17:52,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:52,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1248800845, now seen corresponding path program 1 times [2022-10-16 13:17:52,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:52,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96595286] [2022-10-16 13:17:52,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:52,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:52,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:52,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:52,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:17:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:52,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:17:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-10-16 13:17:52,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:52,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96595286] [2022-10-16 13:17:52,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96595286] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:52,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:17:52,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:17:52,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084197864] [2022-10-16 13:17:52,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:52,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:17:52,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:52,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:17:52,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:17:52,672 INFO L87 Difference]: Start difference. First operand 4476 states and 6149 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:17:57,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:57,574 INFO L93 Difference]: Finished difference Result 9185 states and 12612 transitions. [2022-10-16 13:17:57,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:17:57,575 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 96 [2022-10-16 13:17:57,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:57,598 INFO L225 Difference]: With dead ends: 9185 [2022-10-16 13:17:57,598 INFO L226 Difference]: Without dead ends: 5207 [2022-10-16 13:17:57,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:17:57,670 INFO L413 NwaCegarLoop]: 1580 mSDtfsCounter, 618 mSDsluCounter, 2340 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 3920 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:57,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 3920 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-10-16 13:17:57,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5207 states. [2022-10-16 13:17:57,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5207 to 5059. [2022-10-16 13:17:57,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5059 states, 3939 states have (on average 1.3709063214013708) internal successors, (5400), 4002 states have internal predecessors, (5400), 773 states have call successors, (773), 286 states have call predecessors, (773), 293 states have return successors, (780), 773 states have call predecessors, (780), 773 states have call successors, (780) [2022-10-16 13:17:58,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5059 states to 5059 states and 6953 transitions. [2022-10-16 13:17:58,016 INFO L78 Accepts]: Start accepts. Automaton has 5059 states and 6953 transitions. Word has length 96 [2022-10-16 13:17:58,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:58,017 INFO L495 AbstractCegarLoop]: Abstraction has 5059 states and 6953 transitions. [2022-10-16 13:17:58,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:17:58,017 INFO L276 IsEmpty]: Start isEmpty. Operand 5059 states and 6953 transitions. [2022-10-16 13:17:58,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 13:17:58,022 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:58,022 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-10-16 13:17:58,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 13:17:58,022 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:17:58,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:58,023 INFO L85 PathProgramCache]: Analyzing trace with hash -917247160, now seen corresponding path program 1 times [2022-10-16 13:17:58,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:58,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86350607] [2022-10-16 13:17:58,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:58,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:58,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:58,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:58,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:17:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:58,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:17:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:58,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:17:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:58,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 13:17:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:58,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:17:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:58,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 13:17:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:58,456 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 13:17:58,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:58,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86350607] [2022-10-16 13:17:58,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86350607] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:17:58,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268535982] [2022-10-16 13:17:58,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:58,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:17:58,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:17:58,461 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:17:58,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 13:17:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:59,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 1829 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 13:17:59,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:17:59,130 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 13:17:59,131 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:17:59,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268535982] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:59,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:17:59,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2022-10-16 13:17:59,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821290375] [2022-10-16 13:17:59,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:59,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:17:59,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:59,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:17:59,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:17:59,136 INFO L87 Difference]: Start difference. First operand 5059 states and 6953 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 13:17:59,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:59,954 INFO L93 Difference]: Finished difference Result 13346 states and 18385 transitions. [2022-10-16 13:17:59,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 13:17:59,954 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (8), 1 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 100 [2022-10-16 13:17:59,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:59,991 INFO L225 Difference]: With dead ends: 13346 [2022-10-16 13:17:59,991 INFO L226 Difference]: Without dead ends: 8783 [2022-10-16 13:18:00,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-10-16 13:18:00,005 INFO L413 NwaCegarLoop]: 2097 mSDtfsCounter, 1156 mSDsluCounter, 4931 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 7028 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:18:00,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 7028 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:18:00,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8783 states. [2022-10-16 13:18:00,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8783 to 5485. [2022-10-16 13:18:00,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5485 states, 4267 states have (on average 1.370752284977736) internal successors, (5849), 4332 states have internal predecessors, (5849), 848 states have call successors, (848), 308 states have call predecessors, (848), 316 states have return successors, (856), 847 states have call predecessors, (856), 848 states have call successors, (856) [2022-10-16 13:18:00,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5485 states to 5485 states and 7553 transitions. [2022-10-16 13:18:00,453 INFO L78 Accepts]: Start accepts. Automaton has 5485 states and 7553 transitions. Word has length 100 [2022-10-16 13:18:00,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:18:00,453 INFO L495 AbstractCegarLoop]: Abstraction has 5485 states and 7553 transitions. [2022-10-16 13:18:00,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 13:18:00,454 INFO L276 IsEmpty]: Start isEmpty. Operand 5485 states and 7553 transitions. [2022-10-16 13:18:00,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 13:18:00,458 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:18:00,459 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-10-16 13:18:00,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 13:18:00,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:18:00,673 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:18:00,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:18:00,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1492914847, now seen corresponding path program 1 times [2022-10-16 13:18:00,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:18:00,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30248741] [2022-10-16 13:18:00,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:18:00,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:18:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:00,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:18:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:00,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:18:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:00,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:18:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:00,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:18:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:00,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:18:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:00,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 13:18:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:00,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:18:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:00,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-10-16 13:18:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:00,997 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-16 13:18:00,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:18:00,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30248741] [2022-10-16 13:18:00,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30248741] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:18:00,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:18:00,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:18:00,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83488619] [2022-10-16 13:18:00,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:18:01,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:18:01,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:18:01,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:18:01,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:18:01,001 INFO L87 Difference]: Start difference. First operand 5485 states and 7553 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 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) [2022-10-16 13:18:04,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:18:04,269 INFO L93 Difference]: Finished difference Result 12260 states and 17001 transitions. [2022-10-16 13:18:04,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:18:04,274 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 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 105 [2022-10-16 13:18:04,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:18:04,303 INFO L225 Difference]: With dead ends: 12260 [2022-10-16 13:18:04,303 INFO L226 Difference]: Without dead ends: 6836 [2022-10-16 13:18:04,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:18:04,316 INFO L413 NwaCegarLoop]: 1211 mSDtfsCounter, 444 mSDsluCounter, 3280 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 4491 SdHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:18:04,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 4491 Invalid, 1178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 13:18:04,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6836 states. [2022-10-16 13:18:04,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6836 to 5501. [2022-10-16 13:18:04,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5501 states, 4283 states have (on average 1.3693672659350922) internal successors, (5865), 4348 states have internal predecessors, (5865), 848 states have call successors, (848), 308 states have call predecessors, (848), 316 states have return successors, (856), 847 states have call predecessors, (856), 848 states have call successors, (856) [2022-10-16 13:18:04,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5501 states to 5501 states and 7569 transitions. [2022-10-16 13:18:04,817 INFO L78 Accepts]: Start accepts. Automaton has 5501 states and 7569 transitions. Word has length 105 [2022-10-16 13:18:04,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:18:04,817 INFO L495 AbstractCegarLoop]: Abstraction has 5501 states and 7569 transitions. [2022-10-16 13:18:04,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 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) [2022-10-16 13:18:04,818 INFO L276 IsEmpty]: Start isEmpty. Operand 5501 states and 7569 transitions. [2022-10-16 13:18:04,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 13:18:04,823 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:18:04,823 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 3, 3, 3, 3, 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] [2022-10-16 13:18:04,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 13:18:04,826 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:18:04,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:18:04,826 INFO L85 PathProgramCache]: Analyzing trace with hash -923016257, now seen corresponding path program 1 times [2022-10-16 13:18:04,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:18:04,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738732807] [2022-10-16 13:18:04,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:18:04,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:18:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:05,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:18:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:05,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:18:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:05,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:18:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:05,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:18:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:05,143 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-10-16 13:18:05,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:18:05,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738732807] [2022-10-16 13:18:05,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738732807] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:18:05,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:18:05,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:18:05,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284969420] [2022-10-16 13:18:05,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:18:05,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:18:05,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:18:05,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:18:05,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:18:05,150 INFO L87 Difference]: Start difference. First operand 5501 states and 7569 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:18:09,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:18:09,767 INFO L93 Difference]: Finished difference Result 10834 states and 14887 transitions. [2022-10-16 13:18:09,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:18:09,768 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 104 [2022-10-16 13:18:09,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:18:09,799 INFO L225 Difference]: With dead ends: 10834 [2022-10-16 13:18:09,800 INFO L226 Difference]: Without dead ends: 6261 [2022-10-16 13:18:09,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:18:09,815 INFO L413 NwaCegarLoop]: 1634 mSDtfsCounter, 946 mSDsluCounter, 2141 mSDsCounter, 0 mSdLazyCounter, 1374 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 3775 SdHoareTripleChecker+Invalid, 1544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:18:09,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1048 Valid, 3775 Invalid, 1544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1374 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-10-16 13:18:09,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6261 states. [2022-10-16 13:18:10,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6261 to 6086. [2022-10-16 13:18:10,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6086 states, 4746 states have (on average 1.3683101559207753) internal successors, (6494), 4812 states have internal predecessors, (6494), 936 states have call successors, (936), 341 states have call predecessors, (936), 350 states have return successors, (945), 935 states have call predecessors, (945), 936 states have call successors, (945) [2022-10-16 13:18:10,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6086 states to 6086 states and 8375 transitions. [2022-10-16 13:18:10,474 INFO L78 Accepts]: Start accepts. Automaton has 6086 states and 8375 transitions. Word has length 104 [2022-10-16 13:18:10,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:18:10,475 INFO L495 AbstractCegarLoop]: Abstraction has 6086 states and 8375 transitions. [2022-10-16 13:18:10,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:18:10,475 INFO L276 IsEmpty]: Start isEmpty. Operand 6086 states and 8375 transitions. [2022-10-16 13:18:10,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 13:18:10,483 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:18:10,483 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:18:10,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 13:18:10,484 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting btmrvl_sdio_verify_fw_downloadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:18:10,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:18:10,484 INFO L85 PathProgramCache]: Analyzing trace with hash -603250649, now seen corresponding path program 1 times [2022-10-16 13:18:10,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:18:10,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990828998] [2022-10-16 13:18:10,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:18:10,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:18:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:10,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:18:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:10,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:18:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:10,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:18:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:10,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:18:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:10,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:18:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:10,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 13:18:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:10,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:18:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:10,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:18:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:10,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:18:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:10,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 13:18:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:10,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 13:18:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:10,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-10-16 13:18:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:10,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 13:18:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:10,946 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-10-16 13:18:10,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:18:10,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990828998] [2022-10-16 13:18:10,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990828998] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:18:10,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791613276] [2022-10-16 13:18:10,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:18:10,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:18:10,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:18:10,949 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:18:10,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 13:18:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:11,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 2023 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:18:11,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:18:11,544 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-10-16 13:18:11,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:18:11,637 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-10-16 13:18:11,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791613276] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:18:11,638 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:18:11,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 8 [2022-10-16 13:18:11,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192424538] [2022-10-16 13:18:11,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:18:11,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:18:11,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:18:11,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:18:11,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:18:11,640 INFO L87 Difference]: Start difference. First operand 6086 states and 8375 transitions. Second operand has 9 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 6 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2022-10-16 13:18:13,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:18:13,732 INFO L93 Difference]: Finished difference Result 6843 states and 9513 transitions. [2022-10-16 13:18:13,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 13:18:13,733 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 6 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 121 [2022-10-16 13:18:13,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:18:13,757 INFO L225 Difference]: With dead ends: 6843 [2022-10-16 13:18:13,757 INFO L226 Difference]: Without dead ends: 6842 [2022-10-16 13:18:13,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:18:13,762 INFO L413 NwaCegarLoop]: 1030 mSDtfsCounter, 262 mSDsluCounter, 3122 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 4152 SdHoareTripleChecker+Invalid, 1215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:18:13,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 4152 Invalid, 1215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 13:18:13,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6842 states. [2022-10-16 13:18:14,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6842 to 6617. [2022-10-16 13:18:14,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6617 states, 5169 states have (on average 1.3677693944670148) internal successors, (7070), 5235 states have internal predecessors, (7070), 1044 states have call successors, (1044), 341 states have call predecessors, (1044), 350 states have return successors, (1053), 1043 states have call predecessors, (1053), 1044 states have call successors, (1053) [2022-10-16 13:18:14,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6617 states to 6617 states and 9167 transitions. [2022-10-16 13:18:14,325 INFO L78 Accepts]: Start accepts. Automaton has 6617 states and 9167 transitions. Word has length 121 [2022-10-16 13:18:14,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:18:14,326 INFO L495 AbstractCegarLoop]: Abstraction has 6617 states and 9167 transitions. [2022-10-16 13:18:14,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 6 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2022-10-16 13:18:14,327 INFO L276 IsEmpty]: Start isEmpty. Operand 6617 states and 9167 transitions. [2022-10-16 13:18:14,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 13:18:14,336 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:18:14,336 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:18:14,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 13:18:14,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:18:14,552 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting btmrvl_sdio_verify_fw_downloadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:18:14,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:18:14,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1520900370, now seen corresponding path program 1 times [2022-10-16 13:18:14,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:18:14,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119336044] [2022-10-16 13:18:14,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:18:14,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:18:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:14,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:18:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:14,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:18:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:14,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:18:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:14,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:18:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:14,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:18:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:14,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 13:18:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:14,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:18:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:14,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:18:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:14,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:18:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:14,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 13:18:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:14,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 13:18:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:14,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-10-16 13:18:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:14,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 13:18:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:15,000 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-10-16 13:18:15,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:18:15,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119336044] [2022-10-16 13:18:15,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119336044] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:18:15,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466017490] [2022-10-16 13:18:15,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:18:15,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:18:15,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:18:15,003 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) [2022-10-16 13:18:15,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 13:18:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:15,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 2024 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:18:15,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:18:15,715 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-10-16 13:18:15,715 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:18:15,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466017490] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:18:15,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:18:15,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 13:18:15,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483946825] [2022-10-16 13:18:15,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:18:15,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:18:15,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:18:15,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:18:15,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:18:15,719 INFO L87 Difference]: Start difference. First operand 6617 states and 9167 transitions. Second operand has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-10-16 13:18:16,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:18:16,148 INFO L93 Difference]: Finished difference Result 6635 states and 9194 transitions. [2022-10-16 13:18:16,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:18:16,148 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 122 [2022-10-16 13:18:16,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:18:16,178 INFO L225 Difference]: With dead ends: 6635 [2022-10-16 13:18:16,178 INFO L226 Difference]: Without dead ends: 6634 [2022-10-16 13:18:16,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:18:16,184 INFO L413 NwaCegarLoop]: 1061 mSDtfsCounter, 25 mSDsluCounter, 2050 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 3111 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:18:16,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 3111 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:18:16,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6634 states. [2022-10-16 13:18:16,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6634 to 6616. [2022-10-16 13:18:16,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6616 states, 5169 states have (on average 1.3625459469916812) internal successors, (7043), 5234 states have internal predecessors, (7043), 1044 states have call successors, (1044), 341 states have call predecessors, (1044), 350 states have return successors, (1053), 1043 states have call predecessors, (1053), 1044 states have call successors, (1053) [2022-10-16 13:18:16,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6616 states to 6616 states and 9140 transitions. [2022-10-16 13:18:16,736 INFO L78 Accepts]: Start accepts. Automaton has 6616 states and 9140 transitions. Word has length 122 [2022-10-16 13:18:16,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:18:16,736 INFO L495 AbstractCegarLoop]: Abstraction has 6616 states and 9140 transitions. [2022-10-16 13:18:16,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-10-16 13:18:16,737 INFO L276 IsEmpty]: Start isEmpty. Operand 6616 states and 9140 transitions. [2022-10-16 13:18:16,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 13:18:16,743 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:18:16,743 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2022-10-16 13:18:16,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 13:18:16,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:18:16,959 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:18:16,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:18:16,960 INFO L85 PathProgramCache]: Analyzing trace with hash 412399386, now seen corresponding path program 1 times [2022-10-16 13:18:16,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:18:16,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505915634] [2022-10-16 13:18:16,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:18:16,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:18:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:17,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:18:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:17,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:18:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:17,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:18:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:17,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:18:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:17,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:18:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:17,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 13:18:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:17,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:18:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:17,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 13:18:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:17,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:18:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:17,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:18:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:17,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:18:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:17,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-16 13:18:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:17,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-16 13:18:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:17,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 13:18:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-10-16 13:18:17,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:18:17,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505915634] [2022-10-16 13:18:17,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505915634] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:18:17,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:18:17,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 13:18:17,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65891555] [2022-10-16 13:18:17,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:18:17,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:18:17,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:18:17,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:18:17,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:18:17,396 INFO L87 Difference]: Start difference. First operand 6616 states and 9140 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-10-16 13:18:19,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:18:19,939 INFO L93 Difference]: Finished difference Result 14108 states and 19543 transitions. [2022-10-16 13:18:19,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:18:19,940 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 122 [2022-10-16 13:18:19,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:18:19,965 INFO L225 Difference]: With dead ends: 14108 [2022-10-16 13:18:19,966 INFO L226 Difference]: Without dead ends: 7553 [2022-10-16 13:18:19,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:18:19,984 INFO L413 NwaCegarLoop]: 1025 mSDtfsCounter, 213 mSDsluCounter, 2827 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 3852 SdHoareTripleChecker+Invalid, 1259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:18:19,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 3852 Invalid, 1259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 13:18:19,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7553 states. [2022-10-16 13:18:20,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7553 to 6796. [2022-10-16 13:18:20,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6796 states, 5304 states have (on average 1.353318250377074) internal successors, (7178), 5369 states have internal predecessors, (7178), 1089 states have call successors, (1089), 341 states have call predecessors, (1089), 350 states have return successors, (1098), 1088 states have call predecessors, (1098), 1089 states have call successors, (1098) [2022-10-16 13:18:20,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6796 states to 6796 states and 9365 transitions. [2022-10-16 13:18:20,612 INFO L78 Accepts]: Start accepts. Automaton has 6796 states and 9365 transitions. Word has length 122 [2022-10-16 13:18:20,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:18:20,613 INFO L495 AbstractCegarLoop]: Abstraction has 6796 states and 9365 transitions. [2022-10-16 13:18:20,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-10-16 13:18:20,613 INFO L276 IsEmpty]: Start isEmpty. Operand 6796 states and 9365 transitions. [2022-10-16 13:18:20,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 13:18:20,619 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:18:20,620 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2022-10-16 13:18:20,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 13:18:20,620 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:18:20,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:18:20,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1366250796, now seen corresponding path program 1 times [2022-10-16 13:18:20,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:18:20,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224543143] [2022-10-16 13:18:20,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:18:20,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:18:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:20,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:18:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:20,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:18:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:20,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:18:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:20,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:18:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:20,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:18:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:20,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 13:18:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:20,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:18:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:20,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 13:18:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:20,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:18:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:20,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:18:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:20,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:18:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:20,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 13:18:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:20,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-10-16 13:18:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:21,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 13:18:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:21,014 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-16 13:18:21,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:18:21,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224543143] [2022-10-16 13:18:21,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224543143] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:18:21,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:18:21,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:18:21,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737585172] [2022-10-16 13:18:21,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:18:21,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:18:21,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:18:21,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:18:21,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:18:21,017 INFO L87 Difference]: Start difference. First operand 6796 states and 9365 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-10-16 13:18:22,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:18:22,524 INFO L93 Difference]: Finished difference Result 8968 states and 12611 transitions. [2022-10-16 13:18:22,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:18:22,525 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 124 [2022-10-16 13:18:22,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:18:22,550 INFO L225 Difference]: With dead ends: 8968 [2022-10-16 13:18:22,550 INFO L226 Difference]: Without dead ends: 8966 [2022-10-16 13:18:22,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:18:22,555 INFO L413 NwaCegarLoop]: 1214 mSDtfsCounter, 641 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 712 SdHoareTripleChecker+Valid, 2685 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 423 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:18:22,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [712 Valid, 2685 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [423 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 13:18:22,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8966 states. [2022-10-16 13:18:23,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8966 to 6794. [2022-10-16 13:18:23,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6794 states, 5304 states have (on average 1.349924585218703) internal successors, (7160), 5367 states have internal predecessors, (7160), 1089 states have call successors, (1089), 341 states have call predecessors, (1089), 350 states have return successors, (1098), 1088 states have call predecessors, (1098), 1089 states have call successors, (1098) [2022-10-16 13:18:23,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6794 states to 6794 states and 9347 transitions. [2022-10-16 13:18:23,181 INFO L78 Accepts]: Start accepts. Automaton has 6794 states and 9347 transitions. Word has length 124 [2022-10-16 13:18:23,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:18:23,182 INFO L495 AbstractCegarLoop]: Abstraction has 6794 states and 9347 transitions. [2022-10-16 13:18:23,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-10-16 13:18:23,183 INFO L276 IsEmpty]: Start isEmpty. Operand 6794 states and 9347 transitions. [2022-10-16 13:18:23,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 13:18:23,189 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:18:23,189 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 5, 4, 3, 3, 3, 3, 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] [2022-10-16 13:18:23,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 13:18:23,190 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:18:23,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:18:23,190 INFO L85 PathProgramCache]: Analyzing trace with hash -507848514, now seen corresponding path program 1 times [2022-10-16 13:18:23,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:18:23,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492353598] [2022-10-16 13:18:23,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:18:23,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:18:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:23,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:18:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:23,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:18:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:23,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:18:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:23,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:18:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:23,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-10-16 13:18:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:23,598 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-10-16 13:18:23,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:18:23,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492353598] [2022-10-16 13:18:23,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492353598] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:18:23,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209894615] [2022-10-16 13:18:23,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:18:23,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:18:23,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:18:23,600 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:18:23,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 13:18:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:24,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 1737 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:18:24,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:18:24,265 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-10-16 13:18:24,265 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:18:24,435 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-10-16 13:18:24,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209894615] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:18:24,436 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:18:24,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 3] total 9 [2022-10-16 13:18:24,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662120692] [2022-10-16 13:18:24,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:18:24,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 13:18:24,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:18:24,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 13:18:24,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:18:24,440 INFO L87 Difference]: Start difference. First operand 6794 states and 9347 transitions. Second operand has 10 states, 9 states have (on average 20.11111111111111) internal successors, (181), 7 states have internal predecessors, (181), 6 states have call successors, (14), 6 states have call predecessors, (14), 3 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2022-10-16 13:18:31,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:18:31,363 INFO L93 Difference]: Finished difference Result 17532 states and 24132 transitions. [2022-10-16 13:18:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 13:18:31,364 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 20.11111111111111) internal successors, (181), 7 states have internal predecessors, (181), 6 states have call successors, (14), 6 states have call predecessors, (14), 3 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) Word has length 119 [2022-10-16 13:18:31,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:18:31,416 INFO L225 Difference]: With dead ends: 17532 [2022-10-16 13:18:31,417 INFO L226 Difference]: Without dead ends: 17528 [2022-10-16 13:18:31,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=193, Unknown=0, NotChecked=0, Total=306 [2022-10-16 13:18:31,426 INFO L413 NwaCegarLoop]: 1343 mSDtfsCounter, 6088 mSDsluCounter, 2874 mSDsCounter, 0 mSdLazyCounter, 2113 mSolverCounterSat, 2259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6492 SdHoareTripleChecker+Valid, 4217 SdHoareTripleChecker+Invalid, 4372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2259 IncrementalHoareTripleChecker+Valid, 2113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:18:31,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6492 Valid, 4217 Invalid, 4372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2259 Valid, 2113 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-10-16 13:18:31,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17528 states. [2022-10-16 13:18:32,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17528 to 11379. [2022-10-16 13:18:32,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11379 states, 8876 states have (on average 1.345200540784137) internal successors, (11940), 8946 states have internal predecessors, (11940), 1892 states have call successors, (1892), 545 states have call predecessors, (1892), 562 states have return successors, (1909), 1891 states have call predecessors, (1909), 1892 states have call successors, (1909) [2022-10-16 13:18:32,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11379 states to 11379 states and 15741 transitions. [2022-10-16 13:18:32,668 INFO L78 Accepts]: Start accepts. Automaton has 11379 states and 15741 transitions. Word has length 119 [2022-10-16 13:18:32,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:18:32,668 INFO L495 AbstractCegarLoop]: Abstraction has 11379 states and 15741 transitions. [2022-10-16 13:18:32,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 20.11111111111111) internal successors, (181), 7 states have internal predecessors, (181), 6 states have call successors, (14), 6 states have call predecessors, (14), 3 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2022-10-16 13:18:32,669 INFO L276 IsEmpty]: Start isEmpty. Operand 11379 states and 15741 transitions. [2022-10-16 13:18:32,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 13:18:32,675 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:18:32,675 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 5, 4, 3, 3, 3, 3, 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] [2022-10-16 13:18:32,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 13:18:32,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-10-16 13:18:32,888 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:18:32,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:18:32,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1436566933, now seen corresponding path program 1 times [2022-10-16 13:18:32,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:18:32,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396247518] [2022-10-16 13:18:32,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:18:32,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:18:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:33,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:18:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:33,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:18:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:33,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:18:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:33,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:18:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:33,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-10-16 13:18:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:33,257 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-10-16 13:18:33,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:18:33,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396247518] [2022-10-16 13:18:33,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396247518] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:18:33,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586809038] [2022-10-16 13:18:33,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:18:33,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:18:33,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:18:33,260 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:18:33,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 13:18:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:33,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 1738 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:18:33,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:18:33,940 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-10-16 13:18:33,940 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:18:33,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1586809038] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:18:33,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:18:33,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-10-16 13:18:33,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866644972] [2022-10-16 13:18:33,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:18:33,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:18:33,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:18:33,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:18:33,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:18:33,943 INFO L87 Difference]: Start difference. First operand 11379 states and 15741 transitions. Second operand has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-10-16 13:18:36,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:18:36,249 INFO L93 Difference]: Finished difference Result 21205 states and 29283 transitions. [2022-10-16 13:18:36,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:18:36,250 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 120 [2022-10-16 13:18:36,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:18:36,303 INFO L225 Difference]: With dead ends: 21205 [2022-10-16 13:18:36,303 INFO L226 Difference]: Without dead ends: 21201 [2022-10-16 13:18:36,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:18:36,311 INFO L413 NwaCegarLoop]: 1755 mSDtfsCounter, 2270 mSDsluCounter, 1755 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2270 SdHoareTripleChecker+Valid, 3510 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:18:36,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2270 Valid, 3510 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 13:18:36,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21201 states. [2022-10-16 13:18:37,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21201 to 20542. [2022-10-16 13:18:38,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20542 states, 16056 states have (on average 1.3450423517688093) internal successors, (21596), 16143 states have internal predecessors, (21596), 3410 states have call successors, (3410), 997 states have call predecessors, (3410), 1027 states have return successors, (3440), 3409 states have call predecessors, (3440), 3410 states have call successors, (3440) [2022-10-16 13:18:38,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20542 states to 20542 states and 28446 transitions. [2022-10-16 13:18:38,180 INFO L78 Accepts]: Start accepts. Automaton has 20542 states and 28446 transitions. Word has length 120 [2022-10-16 13:18:38,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:18:38,181 INFO L495 AbstractCegarLoop]: Abstraction has 20542 states and 28446 transitions. [2022-10-16 13:18:38,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-10-16 13:18:38,181 INFO L276 IsEmpty]: Start isEmpty. Operand 20542 states and 28446 transitions. [2022-10-16 13:18:38,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-16 13:18:38,192 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:18:38,192 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:18:38,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 13:18:38,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-10-16 13:18:38,407 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:18:38,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:18:38,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1725876005, now seen corresponding path program 1 times [2022-10-16 13:18:38,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:18:38,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51233276] [2022-10-16 13:18:38,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:18:38,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:18:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:38,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:18:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:38,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:18:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:38,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:18:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:38,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:18:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:38,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:18:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:38,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 13:18:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:38,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:18:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:38,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 13:18:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:38,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:18:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:38,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:18:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:38,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:18:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:38,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 13:18:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:38,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-10-16 13:18:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:38,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 13:18:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:38,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-16 13:18:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:38,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-16 13:18:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:38,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:18:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:38,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-16 13:18:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:38,825 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-16 13:18:38,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:18:38,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51233276] [2022-10-16 13:18:38,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51233276] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:18:38,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:18:38,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:18:38,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727524847] [2022-10-16 13:18:38,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:18:38,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:18:38,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:18:38,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:18:38,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:18:38,828 INFO L87 Difference]: Start difference. First operand 20542 states and 28446 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-16 13:18:42,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:18:42,830 INFO L93 Difference]: Finished difference Result 41501 states and 57513 transitions. [2022-10-16 13:18:42,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:18:42,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 154 [2022-10-16 13:18:42,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:18:42,891 INFO L225 Difference]: With dead ends: 41501 [2022-10-16 13:18:42,891 INFO L226 Difference]: Without dead ends: 21020 [2022-10-16 13:18:42,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:18:42,932 INFO L413 NwaCegarLoop]: 1001 mSDtfsCounter, 98 mSDsluCounter, 1938 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 2939 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:18:42,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 2939 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 13:18:42,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21020 states. [2022-10-16 13:18:44,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21020 to 20572. [2022-10-16 13:18:45,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20572 states, 16086 states have (on average 1.3443988561482034) internal successors, (21626), 16173 states have internal predecessors, (21626), 3410 states have call successors, (3410), 997 states have call predecessors, (3410), 1027 states have return successors, (3440), 3409 states have call predecessors, (3440), 3410 states have call successors, (3440) [2022-10-16 13:18:45,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20572 states to 20572 states and 28476 transitions. [2022-10-16 13:18:45,056 INFO L78 Accepts]: Start accepts. Automaton has 20572 states and 28476 transitions. Word has length 154 [2022-10-16 13:18:45,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:18:45,057 INFO L495 AbstractCegarLoop]: Abstraction has 20572 states and 28476 transitions. [2022-10-16 13:18:45,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-16 13:18:45,057 INFO L276 IsEmpty]: Start isEmpty. Operand 20572 states and 28476 transitions. [2022-10-16 13:18:45,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-16 13:18:45,066 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:18:45,067 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:18:45,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 13:18:45,067 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:18:45,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:18:45,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1024276131, now seen corresponding path program 1 times [2022-10-16 13:18:45,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:18:45,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329816882] [2022-10-16 13:18:45,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:18:45,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:18:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:45,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:18:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:45,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:18:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:45,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:18:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:45,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:18:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:45,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:18:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:45,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 13:18:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:45,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:18:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:45,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 13:18:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:45,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:18:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:45,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:18:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:45,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:18:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:45,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 13:18:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:45,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-10-16 13:18:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:45,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 13:18:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:45,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-16 13:18:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:45,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-16 13:18:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:45,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:18:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:45,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-16 13:18:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:45,886 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-16 13:18:45,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:18:45,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329816882] [2022-10-16 13:18:45,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329816882] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:18:45,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:18:45,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 13:18:45,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497384021] [2022-10-16 13:18:45,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:18:45,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 13:18:45,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:18:45,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 13:18:45,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:18:45,889 INFO L87 Difference]: Start difference. First operand 20572 states and 28476 transitions. Second operand has 8 states, 8 states have (on average 12.875) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-10-16 13:18:52,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:18:52,154 INFO L93 Difference]: Finished difference Result 44355 states and 61489 transitions. [2022-10-16 13:18:52,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:18:52,155 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 154 [2022-10-16 13:18:52,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:18:52,218 INFO L225 Difference]: With dead ends: 44355 [2022-10-16 13:18:52,219 INFO L226 Difference]: Without dead ends: 23844 [2022-10-16 13:18:52,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:18:52,255 INFO L413 NwaCegarLoop]: 1105 mSDtfsCounter, 388 mSDsluCounter, 4447 mSDsCounter, 0 mSdLazyCounter, 1690 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 5552 SdHoareTripleChecker+Invalid, 1835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:18:52,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 5552 Invalid, 1835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 1690 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-10-16 13:18:52,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23844 states. [2022-10-16 13:18:54,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23844 to 20542. [2022-10-16 13:18:54,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20542 states, 16056 states have (on average 1.3450423517688093) internal successors, (21596), 16173 states have internal predecessors, (21596), 3410 states have call successors, (3410), 997 states have call predecessors, (3410), 1027 states have return successors, (3440), 3408 states have call predecessors, (3440), 3410 states have call successors, (3440) [2022-10-16 13:18:54,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20542 states to 20542 states and 28446 transitions. [2022-10-16 13:18:54,128 INFO L78 Accepts]: Start accepts. Automaton has 20542 states and 28446 transitions. Word has length 154 [2022-10-16 13:18:54,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:18:54,129 INFO L495 AbstractCegarLoop]: Abstraction has 20542 states and 28446 transitions. [2022-10-16 13:18:54,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-10-16 13:18:54,129 INFO L276 IsEmpty]: Start isEmpty. Operand 20542 states and 28446 transitions. [2022-10-16 13:18:54,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-16 13:18:54,134 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:18:54,134 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:18:54,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 13:18:54,134 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:18:54,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:18:54,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1354195661, now seen corresponding path program 1 times [2022-10-16 13:18:54,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:18:54,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205393322] [2022-10-16 13:18:54,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:18:54,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:18:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:54,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:18:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:54,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:18:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:54,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:18:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:54,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:18:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:54,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-16 13:18:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:54,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-16 13:18:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:54,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-10-16 13:18:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:54,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 13:18:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:54,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-16 13:18:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:54,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 13:18:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:54,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-16 13:18:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:54,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-16 13:18:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:54,435 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-10-16 13:18:54,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:18:54,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205393322] [2022-10-16 13:18:54,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205393322] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:18:54,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:18:54,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:18:54,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396766039] [2022-10-16 13:18:54,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:18:54,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:18:54,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:18:54,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:18:54,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:18:54,439 INFO L87 Difference]: Start difference. First operand 20542 states and 28446 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 13:18:59,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:18:59,587 INFO L93 Difference]: Finished difference Result 40546 states and 56177 transitions. [2022-10-16 13:18:59,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:18:59,588 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 161 [2022-10-16 13:18:59,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:18:59,649 INFO L225 Difference]: With dead ends: 40546 [2022-10-16 13:18:59,649 INFO L226 Difference]: Without dead ends: 21086 [2022-10-16 13:18:59,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:18:59,687 INFO L413 NwaCegarLoop]: 968 mSDtfsCounter, 316 mSDsluCounter, 2141 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 3109 SdHoareTripleChecker+Invalid, 1558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 286 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:18:59,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 3109 Invalid, 1558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [286 Valid, 1272 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-10-16 13:18:59,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21086 states. [2022-10-16 13:19:01,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21086 to 20550. [2022-10-16 13:19:01,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20550 states, 16064 states have (on average 1.344870517928287) internal successors, (21604), 16181 states have internal predecessors, (21604), 3410 states have call successors, (3410), 997 states have call predecessors, (3410), 1027 states have return successors, (3440), 3408 states have call predecessors, (3440), 3410 states have call successors, (3440) [2022-10-16 13:19:01,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20550 states to 20550 states and 28454 transitions. [2022-10-16 13:19:01,559 INFO L78 Accepts]: Start accepts. Automaton has 20550 states and 28454 transitions. Word has length 161 [2022-10-16 13:19:01,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:19:01,560 INFO L495 AbstractCegarLoop]: Abstraction has 20550 states and 28454 transitions. [2022-10-16 13:19:01,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 13:19:01,560 INFO L276 IsEmpty]: Start isEmpty. Operand 20550 states and 28454 transitions. [2022-10-16 13:19:01,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-16 13:19:01,564 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:19:01,565 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:19:01,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 13:19:01,565 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:19:01,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:19:01,565 INFO L85 PathProgramCache]: Analyzing trace with hash 574077041, now seen corresponding path program 1 times [2022-10-16 13:19:01,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:19:01,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642019370] [2022-10-16 13:19:01,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:19:01,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:19:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:01,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:19:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:01,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:19:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:01,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:19:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:01,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:19:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:01,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-16 13:19:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:01,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-16 13:19:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:01,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-10-16 13:19:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:01,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 13:19:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:01,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-16 13:19:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:01,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 13:19:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:01,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-16 13:19:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:01,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-16 13:19:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:01,866 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-10-16 13:19:01,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:19:01,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642019370] [2022-10-16 13:19:01,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642019370] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:19:01,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:19:01,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:19:01,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002858427] [2022-10-16 13:19:01,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:19:01,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:19:01,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:19:01,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:19:01,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:19:01,870 INFO L87 Difference]: Start difference. First operand 20550 states and 28454 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 13:19:05,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:19:05,757 INFO L93 Difference]: Finished difference Result 40562 states and 56193 transitions. [2022-10-16 13:19:05,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:19:05,757 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 161 [2022-10-16 13:19:05,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:19:05,803 INFO L225 Difference]: With dead ends: 40562 [2022-10-16 13:19:05,803 INFO L226 Difference]: Without dead ends: 21094 [2022-10-16 13:19:05,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:19:05,837 INFO L413 NwaCegarLoop]: 968 mSDtfsCounter, 404 mSDsluCounter, 1706 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 2674 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:19:05,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 2674 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 13:19:05,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21094 states. [2022-10-16 13:19:07,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21094 to 20558. [2022-10-16 13:19:07,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20558 states, 16072 states have (on average 1.3446988551518169) internal successors, (21612), 16189 states have internal predecessors, (21612), 3410 states have call successors, (3410), 997 states have call predecessors, (3410), 1027 states have return successors, (3440), 3408 states have call predecessors, (3440), 3410 states have call successors, (3440) [2022-10-16 13:19:07,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20558 states to 20558 states and 28462 transitions. [2022-10-16 13:19:07,690 INFO L78 Accepts]: Start accepts. Automaton has 20558 states and 28462 transitions. Word has length 161 [2022-10-16 13:19:07,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:19:07,691 INFO L495 AbstractCegarLoop]: Abstraction has 20558 states and 28462 transitions. [2022-10-16 13:19:07,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 13:19:07,692 INFO L276 IsEmpty]: Start isEmpty. Operand 20558 states and 28462 transitions. [2022-10-16 13:19:07,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-16 13:19:07,698 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:19:07,699 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:19:07,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 13:19:07,699 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:19:07,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:19:07,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1254135411, now seen corresponding path program 1 times [2022-10-16 13:19:07,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:19:07,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657006800] [2022-10-16 13:19:07,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:19:07,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:19:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:08,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:19:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:08,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:19:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:08,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:19:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:08,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:19:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:09,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-16 13:19:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:09,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-16 13:19:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:09,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-10-16 13:19:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:09,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 13:19:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:09,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-16 13:19:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:09,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 13:19:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:09,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-16 13:19:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:09,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-16 13:19:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:09,145 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-10-16 13:19:09,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:19:09,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657006800] [2022-10-16 13:19:09,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657006800] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:19:09,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475620395] [2022-10-16 13:19:09,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:19:09,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:19:09,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:19:09,147 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:19:09,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 13:19:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:09,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-16 13:19:09,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:19:09,883 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-10-16 13:19:09,883 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:19:09,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475620395] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:19:09,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:19:09,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 17 [2022-10-16 13:19:09,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563146054] [2022-10-16 13:19:09,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:19:09,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:19:09,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:19:09,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:19:09,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2022-10-16 13:19:09,886 INFO L87 Difference]: Start difference. First operand 20558 states and 28462 transitions. Second operand has 9 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 4 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2022-10-16 13:19:11,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:19:11,976 INFO L93 Difference]: Finished difference Result 40050 states and 55471 transitions. [2022-10-16 13:19:11,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 13:19:11,978 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 4 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 161 [2022-10-16 13:19:11,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:19:12,024 INFO L225 Difference]: With dead ends: 40050 [2022-10-16 13:19:12,024 INFO L226 Difference]: Without dead ends: 20574 [2022-10-16 13:19:12,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2022-10-16 13:19:12,051 INFO L413 NwaCegarLoop]: 1013 mSDtfsCounter, 31 mSDsluCounter, 7023 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 8036 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:19:12,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 8036 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 13:19:12,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20574 states. [2022-10-16 13:19:13,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20574 to 20542. [2022-10-16 13:19:13,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20542 states, 16064 states have (on average 1.343874501992032) internal successors, (21588), 16181 states have internal predecessors, (21588), 3402 states have call successors, (3402), 997 states have call predecessors, (3402), 1027 states have return successors, (3432), 3400 states have call predecessors, (3432), 3402 states have call successors, (3432) [2022-10-16 13:19:13,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20542 states to 20542 states and 28422 transitions. [2022-10-16 13:19:13,687 INFO L78 Accepts]: Start accepts. Automaton has 20542 states and 28422 transitions. Word has length 161 [2022-10-16 13:19:13,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:19:13,688 INFO L495 AbstractCegarLoop]: Abstraction has 20542 states and 28422 transitions. [2022-10-16 13:19:13,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 4 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2022-10-16 13:19:13,688 INFO L276 IsEmpty]: Start isEmpty. Operand 20542 states and 28422 transitions. [2022-10-16 13:19:13,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-16 13:19:13,693 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:19:13,693 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:19:13,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 13:19:13,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:19:13,898 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:19:13,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:19:13,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1913666933, now seen corresponding path program 1 times [2022-10-16 13:19:13,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:19:13,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755569762] [2022-10-16 13:19:13,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:19:13,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:19:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:15,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:19:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:15,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:19:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:15,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:19:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:15,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:19:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:15,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-16 13:19:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:15,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-16 13:19:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:15,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-10-16 13:19:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:15,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 13:19:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:15,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-16 13:19:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:15,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 13:19:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:15,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-16 13:19:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:15,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-16 13:19:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:15,270 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-10-16 13:19:15,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:19:15,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755569762] [2022-10-16 13:19:15,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755569762] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:19:15,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344634066] [2022-10-16 13:19:15,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:19:15,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:19:15,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:19:15,273 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:19:15,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 13:19:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:15,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 2194 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-16 13:19:15,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:19:16,203 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-10-16 13:19:16,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:19:16,766 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-10-16 13:19:16,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344634066] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:19:16,767 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:19:16,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 22 [2022-10-16 13:19:16,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754481572] [2022-10-16 13:19:16,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:19:16,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 13:19:16,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:19:16,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 13:19:16,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2022-10-16 13:19:16,769 INFO L87 Difference]: Start difference. First operand 20542 states and 28422 transitions. Second operand has 22 states, 20 states have (on average 13.95) internal successors, (279), 16 states have internal predecessors, (279), 9 states have call successors, (41), 7 states have call predecessors, (41), 7 states have return successors, (35), 10 states have call predecessors, (35), 9 states have call successors, (35) [2022-10-16 13:19:28,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:19:28,171 INFO L93 Difference]: Finished difference Result 59448 states and 82099 transitions. [2022-10-16 13:19:28,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-10-16 13:19:28,172 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 13.95) internal successors, (279), 16 states have internal predecessors, (279), 9 states have call successors, (41), 7 states have call predecessors, (41), 7 states have return successors, (35), 10 states have call predecessors, (35), 9 states have call successors, (35) Word has length 161 [2022-10-16 13:19:28,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:19:28,265 INFO L225 Difference]: With dead ends: 59448 [2022-10-16 13:19:28,265 INFO L226 Difference]: Without dead ends: 39972 [2022-10-16 13:19:28,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=418, Invalid=1744, Unknown=0, NotChecked=0, Total=2162 [2022-10-16 13:19:28,300 INFO L413 NwaCegarLoop]: 916 mSDtfsCounter, 2926 mSDsluCounter, 6550 mSDsCounter, 0 mSdLazyCounter, 5343 mSolverCounterSat, 1426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2994 SdHoareTripleChecker+Valid, 7466 SdHoareTripleChecker+Invalid, 6769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1426 IncrementalHoareTripleChecker+Valid, 5343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:19:28,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2994 Valid, 7466 Invalid, 6769 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1426 Valid, 5343 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-10-16 13:19:28,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39972 states. [2022-10-16 13:19:31,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39972 to 38821. [2022-10-16 13:19:31,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38821 states, 30353 states have (on average 1.3346621421276315) internal successors, (40511), 30495 states have internal predecessors, (40511), 6504 states have call successors, (6504), 1882 states have call predecessors, (6504), 1943 states have return successors, (6565), 6501 states have call predecessors, (6565), 6504 states have call successors, (6565) [2022-10-16 13:19:32,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38821 states to 38821 states and 53580 transitions. [2022-10-16 13:19:32,102 INFO L78 Accepts]: Start accepts. Automaton has 38821 states and 53580 transitions. Word has length 161 [2022-10-16 13:19:32,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:19:32,102 INFO L495 AbstractCegarLoop]: Abstraction has 38821 states and 53580 transitions. [2022-10-16 13:19:32,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 13.95) internal successors, (279), 16 states have internal predecessors, (279), 9 states have call successors, (41), 7 states have call predecessors, (41), 7 states have return successors, (35), 10 states have call predecessors, (35), 9 states have call successors, (35) [2022-10-16 13:19:32,103 INFO L276 IsEmpty]: Start isEmpty. Operand 38821 states and 53580 transitions. [2022-10-16 13:19:32,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-10-16 13:19:32,115 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:19:32,115 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:19:32,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 13:19:32,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-10-16 13:19:32,323 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:19:32,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:19:32,324 INFO L85 PathProgramCache]: Analyzing trace with hash -855871350, now seen corresponding path program 1 times [2022-10-16 13:19:32,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:19:32,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865684126] [2022-10-16 13:19:32,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:19:32,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:19:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:33,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:19:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:33,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:19:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:33,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:19:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:33,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:19:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:33,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:19:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:34,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 13:19:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:34,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 13:19:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:34,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 13:19:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:34,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-16 13:19:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:34,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 13:19:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:34,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 13:19:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:34,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 13:19:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:34,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 13:19:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:34,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:19:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:34,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:19:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:34,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:19:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:34,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 13:19:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:34,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-16 13:19:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:34,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-16 13:19:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:34,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-16 13:19:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:34,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-16 13:19:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:34,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:19:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:34,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-10-16 13:19:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:34,141 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-16 13:19:34,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:19:34,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865684126] [2022-10-16 13:19:34,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865684126] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:19:34,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:19:34,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 13:19:34,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64787169] [2022-10-16 13:19:34,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:19:34,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 13:19:34,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:19:34,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 13:19:34,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-10-16 13:19:34,144 INFO L87 Difference]: Start difference. First operand 38821 states and 53580 transitions. Second operand has 11 states, 11 states have (on average 11.181818181818182) internal successors, (123), 6 states have internal predecessors, (123), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2022-10-16 13:19:41,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:19:41,771 INFO L93 Difference]: Finished difference Result 81523 states and 112480 transitions. [2022-10-16 13:19:41,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 13:19:41,772 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.181818181818182) internal successors, (123), 6 states have internal predecessors, (123), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 192 [2022-10-16 13:19:41,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:19:41,864 INFO L225 Difference]: With dead ends: 81523 [2022-10-16 13:19:41,864 INFO L226 Difference]: Without dead ends: 42778 [2022-10-16 13:19:41,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2022-10-16 13:19:41,913 INFO L413 NwaCegarLoop]: 874 mSDtfsCounter, 494 mSDsluCounter, 4796 mSDsCounter, 0 mSdLazyCounter, 1885 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 5670 SdHoareTripleChecker+Invalid, 2135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 1885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:19:41,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 5670 Invalid, 2135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 1885 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 13:19:41,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42778 states. [2022-10-16 13:19:45,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42778 to 39173. [2022-10-16 13:19:45,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39173 states, 30645 states have (on average 1.331473323543808) internal successors, (40803), 30789 states have internal predecessors, (40803), 6504 states have call successors, (6504), 1882 states have call predecessors, (6504), 2003 states have return successors, (6685), 6559 states have call predecessors, (6685), 6504 states have call successors, (6685) [2022-10-16 13:19:45,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39173 states to 39173 states and 53992 transitions. [2022-10-16 13:19:45,821 INFO L78 Accepts]: Start accepts. Automaton has 39173 states and 53992 transitions. Word has length 192 [2022-10-16 13:19:45,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:19:45,821 INFO L495 AbstractCegarLoop]: Abstraction has 39173 states and 53992 transitions. [2022-10-16 13:19:45,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.181818181818182) internal successors, (123), 6 states have internal predecessors, (123), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2022-10-16 13:19:45,821 INFO L276 IsEmpty]: Start isEmpty. Operand 39173 states and 53992 transitions. [2022-10-16 13:19:45,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-10-16 13:19:45,833 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:19:45,833 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:19:45,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 13:19:45,833 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:19:45,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:19:45,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1578239738, now seen corresponding path program 1 times [2022-10-16 13:19:45,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:19:45,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434527854] [2022-10-16 13:19:45,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:19:45,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:19:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:19:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:19:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:19:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:19:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:19:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 13:19:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 13:19:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 13:19:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 13:19:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 13:19:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 13:19:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-16 13:19:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-16 13:19:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-10-16 13:19:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:19:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:19:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:19:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-10-16 13:19:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-16 13:19:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-16 13:19:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-10-16 13:19:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-10-16 13:19:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:19:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-10-16 13:19:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:46,799 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-16 13:19:46,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:19:46,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434527854] [2022-10-16 13:19:46,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434527854] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:19:46,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:19:46,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 13:19:46,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608117948] [2022-10-16 13:19:46,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:19:46,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:19:46,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:19:46,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:19:46,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:19:46,802 INFO L87 Difference]: Start difference. First operand 39173 states and 53992 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2022-10-16 13:19:55,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:19:55,714 INFO L93 Difference]: Finished difference Result 95604 states and 133966 transitions. [2022-10-16 13:19:55,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 13:19:55,716 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 198 [2022-10-16 13:19:55,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:19:55,898 INFO L225 Difference]: With dead ends: 95604 [2022-10-16 13:19:55,899 INFO L226 Difference]: Without dead ends: 56507 [2022-10-16 13:19:55,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-10-16 13:19:55,962 INFO L413 NwaCegarLoop]: 1145 mSDtfsCounter, 554 mSDsluCounter, 4412 mSDsCounter, 0 mSdLazyCounter, 1778 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 5557 SdHoareTripleChecker+Invalid, 2006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 1778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:19:55,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 5557 Invalid, 2006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 1778 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 13:19:56,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56507 states. [2022-10-16 13:19:59,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56507 to 37669. [2022-10-16 13:19:59,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37669 states, 29445 states have (on average 1.3205298013245033) internal successors, (38883), 29585 states have internal predecessors, (38883), 6204 states have call successors, (6204), 1882 states have call predecessors, (6204), 2003 states have return successors, (6385), 6259 states have call predecessors, (6385), 6204 states have call successors, (6385) [2022-10-16 13:19:59,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37669 states to 37669 states and 51472 transitions. [2022-10-16 13:19:59,988 INFO L78 Accepts]: Start accepts. Automaton has 37669 states and 51472 transitions. Word has length 198 [2022-10-16 13:19:59,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:19:59,989 INFO L495 AbstractCegarLoop]: Abstraction has 37669 states and 51472 transitions. [2022-10-16 13:19:59,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2022-10-16 13:19:59,989 INFO L276 IsEmpty]: Start isEmpty. Operand 37669 states and 51472 transitions. [2022-10-16 13:20:00,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-10-16 13:20:00,001 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:20:00,001 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:20:00,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 13:20:00,002 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:20:00,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:20:00,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1344387410, now seen corresponding path program 1 times [2022-10-16 13:20:00,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:20:00,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539837608] [2022-10-16 13:20:00,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:20:00,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:20:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:20:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:20:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:20:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:20:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:20:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 13:20:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 13:20:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 13:20:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 13:20:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 13:20:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 13:20:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-16 13:20:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-16 13:20:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-10-16 13:20:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:20:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:20:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:20:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-10-16 13:20:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-16 13:20:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-16 13:20:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-16 13:20:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-10-16 13:20:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:20:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-10-16 13:20:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:20:00,455 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-16 13:20:00,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:20:00,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539837608] [2022-10-16 13:20:00,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539837608] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:20:00,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:20:00,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 13:20:00,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529645195] [2022-10-16 13:20:00,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:20:00,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:20:00,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:20:00,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:20:00,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:20:00,458 INFO L87 Difference]: Start difference. First operand 37669 states and 51472 transitions. Second operand has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-10-16 13:20:06,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:20:06,432 INFO L93 Difference]: Finished difference Result 76368 states and 104216 transitions. [2022-10-16 13:20:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:20:06,433 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 203 [2022-10-16 13:20:06,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:20:06,520 INFO L225 Difference]: With dead ends: 76368 [2022-10-16 13:20:06,521 INFO L226 Difference]: Without dead ends: 38775 [2022-10-16 13:20:06,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:20:06,579 INFO L413 NwaCegarLoop]: 739 mSDtfsCounter, 211 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 224 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 2133 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 224 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:20:06,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 2133 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [224 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 13:20:06,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38775 states.