/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_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:16:01,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:16:01,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:16:01,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:16:01,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:16:01,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:16:01,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:16:01,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:16:01,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:16:01,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:16:01,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:16:01,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:16:01,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:16:01,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:16:01,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:16:01,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:16:01,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:16:01,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:16:01,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:16:01,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:16:01,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:16:01,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:16:01,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:16:01,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:16:01,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:16:01,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:16:01,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:16:01,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:16:01,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:16:01,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:16:01,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:16:01,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:16:01,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:16:01,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:16:01,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:16:01,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:16:01,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:16:01,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:16:01,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:16:01,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:16:01,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:16:01,684 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 13:16:01,714 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:16:01,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:16:01,714 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:16:01,715 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:16:01,716 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:16:01,716 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:16:01,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:16:01,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:16:01,717 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:16:01,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:16:01,717 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:16:01,718 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:16:01,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:16:01,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:16:01,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:16:01,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:16:01,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:16:01,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:16:01,719 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:16:01,719 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:16:01,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:16:01,719 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:16:01,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:16:01,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:16:01,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:16:01,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:16:01,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:16:01,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:16:01,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:16:01,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:16:01,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:16:01,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:16:01,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:16:01,722 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:16:02,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:16:02,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:16:02,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:16:02,135 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:16:02,136 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:16:02,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i [2022-10-16 13:16:02,220 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17b1c2bb6/2dab1a35e92a4591b99c7f81a3b3fe8d/FLAGd4293df07 [2022-10-16 13:16:03,478 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:16:03,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i [2022-10-16 13:16:03,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17b1c2bb6/2dab1a35e92a4591b99c7f81a3b3fe8d/FLAGd4293df07 [2022-10-16 13:16:03,713 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17b1c2bb6/2dab1a35e92a4591b99c7f81a3b3fe8d [2022-10-16 13:16:03,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:16:03,722 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:16:03,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:16:03,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:16:03,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:16:03,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:16:03" (1/1) ... [2022-10-16 13:16:03,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a7b118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:03, skipping insertion in model container [2022-10-16 13:16:03,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:16:03" (1/1) ... [2022-10-16 13:16:03,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:16:03,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:16:04,645 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6098] [2022-10-16 13:16:04,646 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6099-6100] [2022-10-16 13:16:05,265 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_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i[187542,187555] [2022-10-16 13:16:06,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:16:06,998 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:16:07,180 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6098] [2022-10-16 13:16:07,185 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6099-6100] [2022-10-16 13:16:07,212 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_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i[187542,187555] [2022-10-16 13:16:07,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:16:07,882 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:16:07,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:07 WrapperNode [2022-10-16 13:16:07,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:16:07,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:16:07,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:16:07,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:16:07,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:07" (1/1) ... [2022-10-16 13:16:08,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:07" (1/1) ... [2022-10-16 13:16:08,375 INFO L138 Inliner]: procedures = 286, calls = 2898, calls flagged for inlining = 145, calls inlined = 128, statements flattened = 5577 [2022-10-16 13:16:08,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:16:08,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:16:08,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:16:08,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:16:08,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:07" (1/1) ... [2022-10-16 13:16:08,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:07" (1/1) ... [2022-10-16 13:16:08,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:07" (1/1) ... [2022-10-16 13:16:08,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:07" (1/1) ... [2022-10-16 13:16:08,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:07" (1/1) ... [2022-10-16 13:16:08,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:07" (1/1) ... [2022-10-16 13:16:08,714 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:07" (1/1) ... [2022-10-16 13:16:08,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:07" (1/1) ... [2022-10-16 13:16:08,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:16:08,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:16:08,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:16:08,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:16:08,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:07" (1/1) ... [2022-10-16 13:16:08,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:16:08,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:16:08,881 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 13:16:08,905 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 13:16:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-10-16 13:16:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-10-16 13:16:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 13:16:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-10-16 13:16:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-10-16 13:16:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 13:16:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 13:16:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 13:16:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-16 13:16:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-16 13:16:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure send_to_lecd [2022-10-16 13:16:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure send_to_lecd [2022-10-16 13:16:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-16 13:16:08,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-16 13:16:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure __lec_arp_check_expire [2022-10-16 13:16:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __lec_arp_check_expire [2022-10-16 13:16:08,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:16:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:16:08,981 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-10-16 13:16:08,981 INFO L130 BoogieDeclarations]: Found specification of procedure lec_seq_stop [2022-10-16 13:16:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_seq_stop [2022-10-16 13:16:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 13:16:08,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 13:16:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2022-10-16 13:16:08,982 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2022-10-16 13:16:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 13:16:08,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 13:16:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:16:08,983 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:16:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-16 13:16:08,983 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-16 13:16:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-10-16 13:16:08,984 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-10-16 13:16:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_find [2022-10-16 13:16:08,984 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_find [2022-10-16 13:16:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 13:16:08,985 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 13:16:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure sk_atm [2022-10-16 13:16:08,985 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_atm [2022-10-16 13:16:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-10-16 13:16:08,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-10-16 13:16:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure atm_may_send [2022-10-16 13:16:08,986 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_may_send [2022-10-16 13:16:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure lec_seq_open [2022-10-16 13:16:08,986 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_seq_open [2022-10-16 13:16:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-16 13:16:08,987 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-16 13:16:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-10-16 13:16:08,988 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-10-16 13:16:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:16:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-16 13:16:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure lec_tx_timeout [2022-10-16 13:16:08,989 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_tx_timeout [2022-10-16 13:16:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_empty [2022-10-16 13:16:08,990 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_empty [2022-10-16 13:16:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure lec_flush_complete [2022-10-16 13:16:08,990 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_flush_complete [2022-10-16 13:16:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:16:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-16 13:16:08,990 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-16 13:16:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure lec_send [2022-10-16 13:16:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_send [2022-10-16 13:16:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-10-16 13:16:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 13:16:08,992 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 13:16:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:16:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-10-16 13:16:08,993 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-10-16 13:16:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:16:08,994 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-10-16 13:16:08,994 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-10-16 13:16:08,994 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-16 13:16:08,995 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-16 13:16:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-16 13:16:08,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-16 13:16:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure lec_tbl_walk [2022-10-16 13:16:08,995 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_tbl_walk [2022-10-16 13:16:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-16 13:16:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-16 13:16:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-16 13:16:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-16 13:16:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 13:16:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:16:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:16:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure atm_force_charge [2022-10-16 13:16:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_force_charge [2022-10-16 13:16:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-16 13:16:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-16 13:16:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_check_expire [2022-10-16 13:16:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_check_expire [2022-10-16 13:16:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure atm_return [2022-10-16 13:16:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_return [2022-10-16 13:16:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-16 13:16:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-16 13:16:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 13:16:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-10-16 13:16:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-10-16 13:16:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure lec_get_idx [2022-10-16 13:16:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_get_idx [2022-10-16 13:16:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:16:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_add [2022-10-16 13:16:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_add [2022-10-16 13:16:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-16 13:16:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-16 13:16:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head [2022-10-16 13:16:09,002 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head [2022-10-16 13:16:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-16 13:16:09,002 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-16 13:16:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 13:16:09,003 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 13:16:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure lec_change_mtu [2022-10-16 13:16:09,003 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_change_mtu [2022-10-16 13:16:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2022-10-16 13:16:09,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2022-10-16 13:16:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-16 13:16:09,003 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-16 13:16:09,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-16 13:16:09,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-16 13:16:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-10-16 13:16:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-10-16 13:16:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 13:16:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 13:16:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure lec_seq_show [2022-10-16 13:16:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_seq_show [2022-10-16 13:16:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure vcc_release_async [2022-10-16 13:16:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure vcc_release_async [2022-10-16 13:16:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:16:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del [2022-10-16 13:16:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del [2022-10-16 13:16:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release_private [2022-10-16 13:16:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release_private [2022-10-16 13:16:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:16:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:16:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure lec_set_multicast_list [2022-10-16 13:16:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_set_multicast_list [2022-10-16 13:16:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_put [2022-10-16 13:16:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_put [2022-10-16 13:16:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_hold [2022-10-16 13:16:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_hold [2022-10-16 13:16:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:16:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-10-16 13:16:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-10-16 13:16:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:16:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:16:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 13:16:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-10-16 13:16:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-10-16 13:16:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 13:16:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 13:16:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure lec_atm_send [2022-10-16 13:16:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_atm_send [2022-10-16 13:16:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-10-16 13:16:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-10-16 13:16:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2022-10-16 13:16:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2022-10-16 13:16:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure lec_atm_close [2022-10-16 13:16:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_atm_close [2022-10-16 13:16:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 13:16:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 13:16:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-10-16 13:16:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-10-16 13:16:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure make_entry [2022-10-16 13:16:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure make_entry [2022-10-16 13:16:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-16 13:16:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-16 13:16:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_remove [2022-10-16 13:16:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_remove [2022-10-16 13:16:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:16:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_update [2022-10-16 13:16:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_update [2022-10-16 13:16:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_clear_vccs [2022-10-16 13:16:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_clear_vccs [2022-10-16 13:16:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2022-10-16 13:16:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2022-10-16 13:16:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:16:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:16:09,853 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:16:09,858 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:16:10,161 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 13:16:19,002 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 13:16:20,860 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !(0 != (lec_addr_delete_~____ptr___0~4#1.base + lec_addr_delete_~____ptr___0~4#1.offset) % 4294967296);lec_addr_delete_~tmp___2~14#1.base, lec_addr_delete_~tmp___2~14#1.offset := 0, 0;lec_addr_delete_~entry~10#1.base, lec_addr_delete_~entry~10#1.offset := lec_addr_delete_~tmp___2~14#1.base, lec_addr_delete_~tmp___2~14#1.offset; [2022-10-16 13:16:20,861 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume 0 != (lec_addr_delete_~____ptr___0~4#1.base + lec_addr_delete_~____ptr___0~4#1.offset) % 4294967296;lec_addr_delete_~__mptr___0~5#1.base, lec_addr_delete_~__mptr___0~5#1.offset := lec_addr_delete_~____ptr___0~4#1.base, lec_addr_delete_~____ptr___0~4#1.offset;lec_addr_delete_~tmp___2~14#1.base, lec_addr_delete_~tmp___2~14#1.offset := lec_addr_delete_~__mptr___0~5#1.base, lec_addr_delete_~__mptr___0~5#1.offset; [2022-10-16 13:16:29,218 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:16:29,241 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:16:29,242 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 13:16:29,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:16:29 BoogieIcfgContainer [2022-10-16 13:16:29,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:16:29,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:16:29,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:16:29,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:16:29,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:16:03" (1/3) ... [2022-10-16 13:16:29,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83d3a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:16:29, skipping insertion in model container [2022-10-16 13:16:29,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:07" (2/3) ... [2022-10-16 13:16:29,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83d3a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:16:29, skipping insertion in model container [2022-10-16 13:16:29,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:16:29" (3/3) ... [2022-10-16 13:16:29,261 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i [2022-10-16 13:16:29,284 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:16:29,285 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 68 error locations. [2022-10-16 13:16:29,395 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:16:29,405 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;@312a53a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:16:29,405 INFO L358 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2022-10-16 13:16:29,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 1803 states, 1296 states have (on average 1.4228395061728396) internal successors, (1844), 1403 states have internal predecessors, (1844), 361 states have call successors, (361), 78 states have call predecessors, (361), 77 states have return successors, (352), 342 states have call predecessors, (352), 352 states have call successors, (352) [2022-10-16 13:16:29,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 13:16:29,434 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:16:29,435 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:29,436 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [lec_get_idxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, lec_get_idxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lec_get_idxErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:16:29,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:16:29,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1371522058, now seen corresponding path program 1 times [2022-10-16 13:16:29,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:16:29,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495907257] [2022-10-16 13:16:29,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:29,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:16:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:30,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:16:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:30,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:16:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:30,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:16:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:30,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:16:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:30,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:16:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:30,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:16:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:30,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:16:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:30,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:16:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:30,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:16:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:30,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:16:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:30,758 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-16 13:16:30,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:16:30,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495907257] [2022-10-16 13:16:30,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495907257] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:16:30,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:16:30,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:16:30,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642741822] [2022-10-16 13:16:30,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:16:30,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:16:30,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:16:30,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:16:30,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:16:30,813 INFO L87 Difference]: Start difference. First operand has 1803 states, 1296 states have (on average 1.4228395061728396) internal successors, (1844), 1403 states have internal predecessors, (1844), 361 states have call successors, (361), 78 states have call predecessors, (361), 77 states have return successors, (352), 342 states have call predecessors, (352), 352 states have call successors, (352) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-16 13:16:33,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:16:46,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:16:46,099 INFO L93 Difference]: Finished difference Result 5430 states and 7989 transitions. [2022-10-16 13:16:46,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:16:46,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 73 [2022-10-16 13:16:46,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:16:46,172 INFO L225 Difference]: With dead ends: 5430 [2022-10-16 13:16:46,172 INFO L226 Difference]: Without dead ends: 3595 [2022-10-16 13:16:46,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:16:46,199 INFO L413 NwaCegarLoop]: 3281 mSDtfsCounter, 2941 mSDsluCounter, 3520 mSDsCounter, 0 mSdLazyCounter, 1678 mSolverCounterSat, 731 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3208 SdHoareTripleChecker+Valid, 6801 SdHoareTripleChecker+Invalid, 2410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 731 IncrementalHoareTripleChecker+Valid, 1678 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:16:46,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3208 Valid, 6801 Invalid, 2410 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [731 Valid, 1678 Invalid, 1 Unknown, 0 Unchecked, 14.6s Time] [2022-10-16 13:16:46,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3595 states. [2022-10-16 13:16:46,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3595 to 3420. [2022-10-16 13:16:46,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3420 states, 2521 states have (on average 1.4101547005156685) internal successors, (3555), 2639 states have internal predecessors, (3555), 688 states have call successors, (688), 151 states have call predecessors, (688), 151 states have return successors, (688), 667 states have call predecessors, (688), 688 states have call successors, (688) [2022-10-16 13:16:46,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3420 states to 3420 states and 4931 transitions. [2022-10-16 13:16:46,546 INFO L78 Accepts]: Start accepts. Automaton has 3420 states and 4931 transitions. Word has length 73 [2022-10-16 13:16:46,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:16:46,547 INFO L495 AbstractCegarLoop]: Abstraction has 3420 states and 4931 transitions. [2022-10-16 13:16:46,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-16 13:16:46,548 INFO L276 IsEmpty]: Start isEmpty. Operand 3420 states and 4931 transitions. [2022-10-16 13:16:46,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 13:16:46,553 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:16:46,553 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:46,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:16:46,554 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [lec_get_idxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, lec_get_idxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lec_get_idxErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:16:46,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:16:46,554 INFO L85 PathProgramCache]: Analyzing trace with hash -944958351, now seen corresponding path program 1 times [2022-10-16 13:16:46,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:16:46,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178616949] [2022-10-16 13:16:46,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:46,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:16:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:47,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:16:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:47,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:16:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:47,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:16:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:47,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:16:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:47,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:16:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:47,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:16:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:47,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:16:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:47,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:16:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:47,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:16:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:47,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:16:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:47,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 13:16:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:47,398 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-16 13:16:47,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:16:47,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178616949] [2022-10-16 13:16:47,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178616949] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:16:47,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:16:47,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:16:47,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535925544] [2022-10-16 13:16:47,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:16:47,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:16:47,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:16:47,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:16:47,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:16:47,403 INFO L87 Difference]: Start difference. First operand 3420 states and 4931 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 13:16:49,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:16:56,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:16:58,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:17:06,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:06,884 INFO L93 Difference]: Finished difference Result 10355 states and 15123 transitions. [2022-10-16 13:17:06,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:17:06,885 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 76 [2022-10-16 13:17:06,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:06,952 INFO L225 Difference]: With dead ends: 10355 [2022-10-16 13:17:06,953 INFO L226 Difference]: Without dead ends: 6959 [2022-10-16 13:17:06,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:17:06,973 INFO L413 NwaCegarLoop]: 3321 mSDtfsCounter, 2858 mSDsluCounter, 3502 mSDsCounter, 0 mSdLazyCounter, 1689 mSolverCounterSat, 700 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3121 SdHoareTripleChecker+Valid, 6823 SdHoareTripleChecker+Invalid, 2391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 700 IncrementalHoareTripleChecker+Valid, 1689 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:06,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3121 Valid, 6823 Invalid, 2391 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [700 Valid, 1689 Invalid, 2 Unknown, 0 Unchecked, 18.7s Time] [2022-10-16 13:17:06,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6959 states. [2022-10-16 13:17:07,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6959 to 6670. [2022-10-16 13:17:07,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6670 states, 4954 states have (on average 1.4097698829228906) internal successors, (6984), 5132 states have internal predecessors, (6984), 1355 states have call successors, (1355), 301 states have call predecessors, (1355), 301 states have return successors, (1355), 1312 states have call predecessors, (1355), 1355 states have call successors, (1355) [2022-10-16 13:17:07,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6670 states to 6670 states and 9694 transitions. [2022-10-16 13:17:07,506 INFO L78 Accepts]: Start accepts. Automaton has 6670 states and 9694 transitions. Word has length 76 [2022-10-16 13:17:07,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:07,509 INFO L495 AbstractCegarLoop]: Abstraction has 6670 states and 9694 transitions. [2022-10-16 13:17:07,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 13:17:07,510 INFO L276 IsEmpty]: Start isEmpty. Operand 6670 states and 9694 transitions. [2022-10-16 13:17:07,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 13:17:07,520 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:07,520 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:17:07,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:17:07,522 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [lec_get_idxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, lec_get_idxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lec_get_idxErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:17:07,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:07,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1532202175, now seen corresponding path program 1 times [2022-10-16 13:17:07,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:07,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615908701] [2022-10-16 13:17:07,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:07,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:08,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:08,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:17:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:08,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:17:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:08,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:08,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:17:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:08,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:17:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:08,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:17:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:08,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:17:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:08,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:17:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:08,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:17:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:08,147 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-16 13:17:08,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:08,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615908701] [2022-10-16 13:17:08,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615908701] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:08,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:17:08,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:17:08,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606970876] [2022-10-16 13:17:08,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:08,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:17:08,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:08,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:17:08,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:17:08,151 INFO L87 Difference]: Start difference. First operand 6670 states and 9694 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-16 13:17:12,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:17:23,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:23,943 INFO L93 Difference]: Finished difference Result 19603 states and 28738 transitions. [2022-10-16 13:17:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:17:23,952 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 79 [2022-10-16 13:17:23,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:24,068 INFO L225 Difference]: With dead ends: 19603 [2022-10-16 13:17:24,068 INFO L226 Difference]: Without dead ends: 12957 [2022-10-16 13:17:24,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:17:24,126 INFO L413 NwaCegarLoop]: 3409 mSDtfsCounter, 2444 mSDsluCounter, 3561 mSDsCounter, 0 mSdLazyCounter, 1696 mSolverCounterSat, 669 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2703 SdHoareTripleChecker+Valid, 6970 SdHoareTripleChecker+Invalid, 2366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 669 IncrementalHoareTripleChecker+Valid, 1696 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:24,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2703 Valid, 6970 Invalid, 2366 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [669 Valid, 1696 Invalid, 1 Unknown, 0 Unchecked, 15.0s Time] [2022-10-16 13:17:24,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12957 states. [2022-10-16 13:17:24,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12957 to 12486. [2022-10-16 13:17:24,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12486 states, 9200 states have (on average 1.3897826086956522) internal successors, (12786), 9494 states have internal predecessors, (12786), 2641 states have call successors, (2641), 585 states have call predecessors, (2641), 585 states have return successors, (2641), 2554 states have call predecessors, (2641), 2641 states have call successors, (2641) [2022-10-16 13:17:24,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12486 states to 12486 states and 18068 transitions. [2022-10-16 13:17:24,991 INFO L78 Accepts]: Start accepts. Automaton has 12486 states and 18068 transitions. Word has length 79 [2022-10-16 13:17:24,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:24,993 INFO L495 AbstractCegarLoop]: Abstraction has 12486 states and 18068 transitions. [2022-10-16 13:17:24,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-16 13:17:24,994 INFO L276 IsEmpty]: Start isEmpty. Operand 12486 states and 18068 transitions. [2022-10-16 13:17:24,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 13:17:24,998 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:24,998 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:17:24,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:17:24,998 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [lec_get_idxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, lec_get_idxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lec_get_idxErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:17:24,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:24,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1756474954, now seen corresponding path program 1 times [2022-10-16 13:17:24,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:25,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299784930] [2022-10-16 13:17:25,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:25,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:25,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:25,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:17:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:25,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:17:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:25,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:25,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:17:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:25,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:17:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:25,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:17:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:25,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:17:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:25,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:17:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:25,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:17:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:25,773 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-16 13:17:25,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:25,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299784930] [2022-10-16 13:17:25,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299784930] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:25,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:17:25,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:17:25,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115332581] [2022-10-16 13:17:25,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:25,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:17:25,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:25,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:17:25,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:17:25,776 INFO L87 Difference]: Start difference. First operand 12486 states and 18068 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-16 13:17:30,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:17:33,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:17:41,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:41,632 INFO L93 Difference]: Finished difference Result 38044 states and 55789 transitions. [2022-10-16 13:17:41,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:17:41,632 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 81 [2022-10-16 13:17:41,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:41,775 INFO L225 Difference]: With dead ends: 38044 [2022-10-16 13:17:41,775 INFO L226 Difference]: Without dead ends: 25582 [2022-10-16 13:17:41,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:17:41,843 INFO L413 NwaCegarLoop]: 3699 mSDtfsCounter, 2686 mSDsluCounter, 3706 mSDsCounter, 0 mSdLazyCounter, 1735 mSolverCounterSat, 678 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2943 SdHoareTripleChecker+Valid, 7405 SdHoareTripleChecker+Invalid, 2414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 678 IncrementalHoareTripleChecker+Valid, 1735 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:41,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2943 Valid, 7405 Invalid, 2414 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [678 Valid, 1735 Invalid, 1 Unknown, 0 Unchecked, 14.9s Time] [2022-10-16 13:17:41,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25582 states. [2022-10-16 13:17:43,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25582 to 24659. [2022-10-16 13:17:43,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24659 states, 18193 states have (on average 1.3901500577145056) internal successors, (25291), 18715 states have internal predecessors, (25291), 5237 states have call successors, (5237), 1169 states have call predecessors, (5237), 1169 states have return successors, (5237), 5070 states have call predecessors, (5237), 5237 states have call successors, (5237) [2022-10-16 13:17:43,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24659 states to 24659 states and 35765 transitions. [2022-10-16 13:17:43,392 INFO L78 Accepts]: Start accepts. Automaton has 24659 states and 35765 transitions. Word has length 81 [2022-10-16 13:17:43,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:43,393 INFO L495 AbstractCegarLoop]: Abstraction has 24659 states and 35765 transitions. [2022-10-16 13:17:43,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-16 13:17:43,393 INFO L276 IsEmpty]: Start isEmpty. Operand 24659 states and 35765 transitions. [2022-10-16 13:17:43,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 13:17:43,397 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:43,397 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:17:43,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 13:17:43,398 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [lec_get_idxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, lec_get_idxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lec_get_idxErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:17:43,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:43,398 INFO L85 PathProgramCache]: Analyzing trace with hash -674769333, now seen corresponding path program 1 times [2022-10-16 13:17:43,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:43,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359720013] [2022-10-16 13:17:43,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:43,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:44,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:44,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:17:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:44,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:17:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:44,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:44,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:17:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:44,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:17:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:44,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:17:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:44,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:17:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:44,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:17:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:44,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:17:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:44,171 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-16 13:17:44,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:44,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359720013] [2022-10-16 13:17:44,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359720013] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:44,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:17:44,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:17:44,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258629805] [2022-10-16 13:17:44,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:44,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:17:44,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:44,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:17:44,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:17:44,175 INFO L87 Difference]: Start difference. First operand 24659 states and 35765 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-16 13:17:48,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:17:58,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:58,334 INFO L93 Difference]: Finished difference Result 71343 states and 104540 transitions. [2022-10-16 13:17:58,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:17:58,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 85 [2022-10-16 13:17:58,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:58,652 INFO L225 Difference]: With dead ends: 71343 [2022-10-16 13:17:58,652 INFO L226 Difference]: Without dead ends: 46708 [2022-10-16 13:17:58,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:17:58,747 INFO L413 NwaCegarLoop]: 2746 mSDtfsCounter, 2581 mSDsluCounter, 3137 mSDsCounter, 0 mSdLazyCounter, 1586 mSolverCounterSat, 738 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2800 SdHoareTripleChecker+Valid, 5883 SdHoareTripleChecker+Invalid, 2325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 738 IncrementalHoareTripleChecker+Valid, 1586 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:58,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2800 Valid, 5883 Invalid, 2325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [738 Valid, 1586 Invalid, 1 Unknown, 0 Unchecked, 12.4s Time] [2022-10-16 13:17:58,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46708 states. [2022-10-16 13:18:01,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46708 to 44786. [2022-10-16 13:18:01,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44786 states, 33091 states have (on average 1.3913148590251125) internal successors, (46040), 34028 states have internal predecessors, (46040), 9401 states have call successors, (9401), 2234 states have call predecessors, (9401), 2234 states have return successors, (9401), 9083 states have call predecessors, (9401), 9401 states have call successors, (9401) [2022-10-16 13:18:01,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44786 states to 44786 states and 64842 transitions. [2022-10-16 13:18:01,791 INFO L78 Accepts]: Start accepts. Automaton has 44786 states and 64842 transitions. Word has length 85 [2022-10-16 13:18:01,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:18:01,792 INFO L495 AbstractCegarLoop]: Abstraction has 44786 states and 64842 transitions. [2022-10-16 13:18:01,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-16 13:18:01,793 INFO L276 IsEmpty]: Start isEmpty. Operand 44786 states and 64842 transitions. [2022-10-16 13:18:01,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-16 13:18:01,804 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:18:01,805 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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 13:18:01,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 13:18:01,806 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [lec_get_idxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, lec_get_idxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lec_get_idxErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:18:01,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:18:01,806 INFO L85 PathProgramCache]: Analyzing trace with hash -2081020631, now seen corresponding path program 1 times [2022-10-16 13:18:01,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:18:01,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724028030] [2022-10-16 13:18:01,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:18:01,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:18:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:02,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:18:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:02,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:18:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:02,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:18:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:02,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:18:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:02,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:18:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:02,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:18:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:02,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:18:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:02,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:18:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:02,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:18:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:02,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:18:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:02,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 13:18:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:02,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 13:18:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:03,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 13:18:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:03,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 13:18:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:03,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-10-16 13:18:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:03,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 13:18:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:03,071 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2022-10-16 13:18:03,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:18:03,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724028030] [2022-10-16 13:18:03,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724028030] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:18:03,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:18:03,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:18:03,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026280863] [2022-10-16 13:18:03,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:18:03,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:18:03,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:18:03,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:18:03,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:18:03,076 INFO L87 Difference]: Start difference. First operand 44786 states and 64842 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 13:18:09,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:18:18,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:18:18,261 INFO L93 Difference]: Finished difference Result 93904 states and 137994 transitions. [2022-10-16 13:18:18,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:18:18,267 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 131 [2022-10-16 13:18:18,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:18:18,754 INFO L225 Difference]: With dead ends: 93904 [2022-10-16 13:18:18,754 INFO L226 Difference]: Without dead ends: 49094 [2022-10-16 13:18:18,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:18:18,939 INFO L413 NwaCegarLoop]: 2475 mSDtfsCounter, 830 mSDsluCounter, 5242 mSDsCounter, 0 mSdLazyCounter, 1973 mSolverCounterSat, 790 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 871 SdHoareTripleChecker+Valid, 7717 SdHoareTripleChecker+Invalid, 2764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 790 IncrementalHoareTripleChecker+Valid, 1973 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:18:18,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [871 Valid, 7717 Invalid, 2764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [790 Valid, 1973 Invalid, 1 Unknown, 0 Unchecked, 13.1s Time] [2022-10-16 13:18:19,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49094 states. [2022-10-16 13:18:21,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49094 to 44786. [2022-10-16 13:18:21,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44786 states, 33091 states have (on average 1.3908313438699345) internal successors, (46024), 34028 states have internal predecessors, (46024), 9401 states have call successors, (9401), 2234 states have call predecessors, (9401), 2234 states have return successors, (9401), 9083 states have call predecessors, (9401), 9401 states have call successors, (9401) [2022-10-16 13:18:21,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44786 states to 44786 states and 64826 transitions. [2022-10-16 13:18:21,809 INFO L78 Accepts]: Start accepts. Automaton has 44786 states and 64826 transitions. Word has length 131 [2022-10-16 13:18:21,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:18:21,810 INFO L495 AbstractCegarLoop]: Abstraction has 44786 states and 64826 transitions. [2022-10-16 13:18:21,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 13:18:21,810 INFO L276 IsEmpty]: Start isEmpty. Operand 44786 states and 64826 transitions. [2022-10-16 13:18:21,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 13:18:21,816 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:18:21,816 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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] [2022-10-16 13:18:21,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 13:18:21,817 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [lec_get_idxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, lec_get_idxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lec_get_idxErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:18:21,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:18:21,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1168506026, now seen corresponding path program 1 times [2022-10-16 13:18:21,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:18:21,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903325168] [2022-10-16 13:18:21,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:18:21,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:18:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:22,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:18:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:22,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:18:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:22,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:18:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:22,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:18:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:22,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:18:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:22,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:18:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:22,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:18:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:22,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:18:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:22,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:18:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:22,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:18:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:22,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 13:18:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:22,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-16 13:18:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:22,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 13:18:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:22,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-16 13:18:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:22,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-16 13:18:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:22,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 13:18:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:22,710 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2022-10-16 13:18:22,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:18:22,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903325168] [2022-10-16 13:18:22,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903325168] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:18:22,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:18:22,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:18:22,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062179303] [2022-10-16 13:18:22,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:18:22,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:18:22,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:18:22,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:18:22,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:18:22,713 INFO L87 Difference]: Start difference. First operand 44786 states and 64826 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 13:18:27,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:18:42,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:18:42,499 INFO L93 Difference]: Finished difference Result 98121 states and 146119 transitions. [2022-10-16 13:18:42,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:18:42,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 132 [2022-10-16 13:18:42,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:18:43,455 INFO L225 Difference]: With dead ends: 98121 [2022-10-16 13:18:43,455 INFO L226 Difference]: Without dead ends: 98099 [2022-10-16 13:18:43,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:18:43,516 INFO L413 NwaCegarLoop]: 2784 mSDtfsCounter, 3147 mSDsluCounter, 4484 mSDsCounter, 0 mSdLazyCounter, 2605 mSolverCounterSat, 1021 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3470 SdHoareTripleChecker+Valid, 7268 SdHoareTripleChecker+Invalid, 3627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1021 IncrementalHoareTripleChecker+Valid, 2605 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:18:43,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3470 Valid, 7268 Invalid, 3627 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1021 Valid, 2605 Invalid, 1 Unknown, 0 Unchecked, 16.5s Time] [2022-10-16 13:18:43,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98099 states. [2022-10-16 13:18:47,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98099 to 89450. [2022-10-16 13:18:47,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89450 states, 66133 states have (on average 1.3856017419442639) internal successors, (91634), 67948 states have internal predecessors, (91634), 18791 states have call successors, (18791), 4466 states have call predecessors, (18791), 4466 states have return successors, (18791), 18155 states have call predecessors, (18791), 18791 states have call successors, (18791) [2022-10-16 13:18:48,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89450 states to 89450 states and 129216 transitions. [2022-10-16 13:18:48,593 INFO L78 Accepts]: Start accepts. Automaton has 89450 states and 129216 transitions. Word has length 132 [2022-10-16 13:18:48,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:18:48,594 INFO L495 AbstractCegarLoop]: Abstraction has 89450 states and 129216 transitions. [2022-10-16 13:18:48,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 13:18:48,594 INFO L276 IsEmpty]: Start isEmpty. Operand 89450 states and 129216 transitions. [2022-10-16 13:18:48,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 13:18:48,601 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:18:48,602 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:18:48,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 13:18:48,602 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [lec_get_idxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, lec_get_idxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lec_get_idxErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:18:48,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:18:48,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1180350742, now seen corresponding path program 1 times [2022-10-16 13:18:48,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:18:48,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137505854] [2022-10-16 13:18:48,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:18:48,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:18:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:49,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:18:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:49,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:18:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:49,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:18:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:49,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:18:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:49,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:18:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:49,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:18:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:49,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:18:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:49,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:18:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:49,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:18:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:49,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:18:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:49,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 13:18:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:49,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-16 13:18:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:49,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 13:18:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:49,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-16 13:18:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:49,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-16 13:18:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:49,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 13:18:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:18:49,443 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2022-10-16 13:18:49,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:18:49,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137505854] [2022-10-16 13:18:49,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137505854] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:18:49,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:18:49,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:18:49,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210266599] [2022-10-16 13:18:49,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:18:49,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:18:49,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:18:49,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:18:49,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:18:49,446 INFO L87 Difference]: Start difference. First operand 89450 states and 129216 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-10-16 13:18:53,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:19:01,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:19:01,982 INFO L93 Difference]: Finished difference Result 98074 states and 145780 transitions. [2022-10-16 13:19:01,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:19:01,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 140 [2022-10-16 13:19:01,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:19:02,425 INFO L225 Difference]: With dead ends: 98074 [2022-10-16 13:19:02,426 INFO L226 Difference]: Without dead ends: 98072 [2022-10-16 13:19:02,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:19:02,468 INFO L413 NwaCegarLoop]: 2467 mSDtfsCounter, 833 mSDsluCounter, 3345 mSDsCounter, 0 mSdLazyCounter, 1292 mSolverCounterSat, 787 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 5812 SdHoareTripleChecker+Invalid, 2080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 787 IncrementalHoareTripleChecker+Valid, 1292 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:19:02,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [875 Valid, 5812 Invalid, 2080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [787 Valid, 1292 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2022-10-16 13:19:02,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98072 states. [2022-10-16 13:19:06,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98072 to 89460. [2022-10-16 13:19:06,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89460 states, 66142 states have (on average 1.3855643917631761) internal successors, (91644), 67957 states have internal predecessors, (91644), 18792 states have call successors, (18792), 4466 states have call predecessors, (18792), 4466 states have return successors, (18792), 18156 states have call predecessors, (18792), 18792 states have call successors, (18792) [2022-10-16 13:19:07,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89460 states to 89460 states and 129228 transitions. [2022-10-16 13:19:07,357 INFO L78 Accepts]: Start accepts. Automaton has 89460 states and 129228 transitions. Word has length 140 [2022-10-16 13:19:07,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:19:07,358 INFO L495 AbstractCegarLoop]: Abstraction has 89460 states and 129228 transitions. [2022-10-16 13:19:07,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-10-16 13:19:07,358 INFO L276 IsEmpty]: Start isEmpty. Operand 89460 states and 129228 transitions. [2022-10-16 13:19:07,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-16 13:19:07,365 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:19:07,366 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:19:07,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 13:19:07,366 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting lec_seq_showErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [lec_get_idxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, lec_get_idxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lec_get_idxErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:19:07,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:19:07,366 INFO L85 PathProgramCache]: Analyzing trace with hash 446714688, now seen corresponding path program 1 times [2022-10-16 13:19:07,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:19:07,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667267289] [2022-10-16 13:19:07,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:19:07,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:19:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:08,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:19:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:08,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:19:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:08,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:19:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:08,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:19:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:08,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:19:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:08,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:19:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:08,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:19:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:08,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:19:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:08,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:19:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:08,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:19:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:08,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 13:19:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:08,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-16 13:19:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:08,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 13:19:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:08,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-16 13:19:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:08,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-16 13:19:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:08,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 13:19:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:19:08,669 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2022-10-16 13:19:08,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:19:08,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667267289] [2022-10-16 13:19:08,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667267289] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:19:08,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:19:08,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:19:08,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939413977] [2022-10-16 13:19:08,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:19:08,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:19:08,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:19:08,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:19:08,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:19:08,672 INFO L87 Difference]: Start difference. First operand 89460 states and 129228 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 13:19:13,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []