/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:20:20,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:20:20,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:20:20,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:20:20,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:20:20,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:20:20,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:20:20,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:20:20,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:20:20,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:20:20,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:20:20,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:20:20,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:20:20,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:20:20,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:20:20,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:20:20,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:20:20,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:20:20,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:20:20,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:20:20,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:20:20,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:20:20,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:20:20,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:20:20,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:20:20,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:20:20,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:20:20,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:20:20,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:20:20,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:20:20,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:20:20,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:20:20,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:20:20,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:20:20,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:20:20,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:20:20,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:20:20,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:20:20,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:20:20,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:20:20,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:20:20,406 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:20:20,455 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:20:20,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:20:20,456 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:20:20,456 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:20:20,457 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:20:20,457 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:20:20,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:20:20,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:20:20,459 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:20:20,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:20:20,459 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:20:20,460 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:20:20,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:20:20,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:20:20,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:20:20,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:20:20,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:20:20,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:20:20,461 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:20:20,461 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:20:20,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:20:20,462 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:20:20,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:20:20,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:20:20,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:20:20,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:20:20,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:20:20,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:20:20,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:20:20,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:20:20,464 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:20:20,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:20:20,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:20:20,464 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:20:20,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:20:20,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:20:20,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:20:20,959 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:20:20,960 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:20:20,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i [2022-10-15 21:20:21,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10545f537/174d2be75b294049a114c5b63e7d0545/FLAGbaa6f06f0 [2022-10-15 21:20:22,126 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:20:22,127 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i [2022-10-15 21:20:22,182 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10545f537/174d2be75b294049a114c5b63e7d0545/FLAGbaa6f06f0 [2022-10-15 21:20:22,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10545f537/174d2be75b294049a114c5b63e7d0545 [2022-10-15 21:20:22,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:20:22,511 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:20:22,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:20:22,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:20:22,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:20:22,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:20:22" (1/1) ... [2022-10-15 21:20:22,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475bce09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:22, skipping insertion in model container [2022-10-15 21:20:22,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:20:22" (1/1) ... [2022-10-15 21:20:22,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:20:22,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:20:23,518 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5334] [2022-10-15 21:20:23,519 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5335-5336] [2022-10-15 21:20:23,766 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i[160045,160058] [2022-10-15 21:20:24,913 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-10-15 21:20:24,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:20:24,952 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:20:25,155 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5334] [2022-10-15 21:20:25,156 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5335-5336] [2022-10-15 21:20:25,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i[160045,160058] [2022-10-15 21:20:25,806 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-10-15 21:20:25,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:20:25,898 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:20:25,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:25 WrapperNode [2022-10-15 21:20:25,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:20:25,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:20:25,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:20:25,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:20:25,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:25" (1/1) ... [2022-10-15 21:20:26,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:25" (1/1) ... [2022-10-15 21:20:26,236 INFO L138 Inliner]: procedures = 228, calls = 1503, calls flagged for inlining = 97, calls inlined = 94, statements flattened = 4035 [2022-10-15 21:20:26,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:20:26,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:20:26,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:20:26,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:20:26,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:25" (1/1) ... [2022-10-15 21:20:26,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:25" (1/1) ... [2022-10-15 21:20:26,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:25" (1/1) ... [2022-10-15 21:20:26,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:25" (1/1) ... [2022-10-15 21:20:26,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:25" (1/1) ... [2022-10-15 21:20:26,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:25" (1/1) ... [2022-10-15 21:20:26,672 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:25" (1/1) ... [2022-10-15 21:20:26,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:25" (1/1) ... [2022-10-15 21:20:26,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:20:26,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:20:26,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:20:26,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:20:26,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:25" (1/1) ... [2022-10-15 21:20:26,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:20:26,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:20:26,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:20:26,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:20:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_reclassify [2022-10-15 21:20:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_reclassify [2022-10-15 21:20:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_create_dflt [2022-10-15 21:20:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_create_dflt [2022-10-15 21:20:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_set_police [2022-10-15 21:20:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_set_police [2022-10-15 21:20:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:20:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:20:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_pkt_len [2022-10-15 21:20:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_pkt_len [2022-10-15 21:20:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_reset [2022-10-15 21:20:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_reset [2022-10-15 21:20:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_reset [2022-10-15 21:20:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_reset [2022-10-15 21:20:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2022-10-15 21:20:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2022-10-15 21:20:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:20:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:20:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_put_rtab [2022-10-15 21:20:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_put_rtab [2022-10-15 21:20:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_class_stats [2022-10-15 21:20:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_class_stats [2022-10-15 21:20:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2022-10-15 21:20:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2022-10-15 21:20:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_ovl_classic [2022-10-15 21:20:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_ovl_classic [2022-10-15 21:20:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_set_overlimit [2022-10-15 21:20:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_set_overlimit [2022-10-15 21:20:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_normalize_quanta [2022-10-15 21:20:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_normalize_quanta [2022-10-15 21:20:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_enqueue [2022-10-15 21:20:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_enqueue [2022-10-15 21:20:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_delete [2022-10-15 21:20:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_delete [2022-10-15 21:20:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:20:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:20:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump [2022-10-15 21:20:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump [2022-10-15 21:20:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure sch_tree_unlock [2022-10-15 21:20:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure sch_tree_unlock [2022-10-15 21:20:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_link_class [2022-10-15 21:20:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_link_class [2022-10-15 21:20:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2022-10-15 21:20:26,901 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2022-10-15 21:20:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:20:26,902 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:20:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_stats [2022-10-15 21:20:26,903 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_stats [2022-10-15 21:20:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure gnet_stats_copy_app [2022-10-15 21:20:26,904 INFO L138 BoogieDeclarations]: Found implementation of procedure gnet_stats_copy_app [2022-10-15 21:20:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_root_sleeping_lock [2022-10-15 21:20:26,904 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_root_sleeping_lock [2022-10-15 21:20:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_set_lss [2022-10-15 21:20:26,905 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_set_lss [2022-10-15 21:20:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_destroy [2022-10-15 21:20:26,905 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_destroy [2022-10-15 21:20:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:20:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_unthrottled [2022-10-15 21:20:26,905 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_unthrottled [2022-10-15 21:20:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_class_lookup [2022-10-15 21:20:26,906 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_class_lookup [2022-10-15 21:20:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dequeue_prio [2022-10-15 21:20:26,907 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dequeue_prio [2022-10-15 21:20:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure psched_get_time [2022-10-15 21:20:26,908 INFO L138 BoogieDeclarations]: Found implementation of procedure psched_get_time [2022-10-15 21:20:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_set_fopt [2022-10-15 21:20:26,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_set_fopt [2022-10-15 21:20:26,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:20:26,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-15 21:20:26,910 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-15 21:20:26,910 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-15 21:20:26,910 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dequeue_1 [2022-10-15 21:20:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dequeue_1 [2022-10-15 21:20:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-10-15 21:20:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_activate_class [2022-10-15 21:20:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_activate_class [2022-10-15 21:20:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2022-10-15 21:20:26,912 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2022-10-15 21:20:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:20:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:20:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure tcf_destroy_chain [2022-10-15 21:20:26,913 INFO L138 BoogieDeclarations]: Found implementation of procedure tcf_destroy_chain [2022-10-15 21:20:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_sync_defmap [2022-10-15 21:20:26,914 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_sync_defmap [2022-10-15 21:20:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-10-15 21:20:26,914 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-10-15 21:20:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_adjust_levels [2022-10-15 21:20:26,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_adjust_levels [2022-10-15 21:20:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_bind_filter [2022-10-15 21:20:26,916 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_bind_filter [2022-10-15 21:20:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-10-15 21:20:26,916 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-10-15 21:20:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:20:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:20:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_enqueue [2022-10-15 21:20:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_enqueue [2022-10-15 21:20:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_peek_dequeued [2022-10-15 21:20:26,918 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_peek_dequeued [2022-10-15 21:20:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:20:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_mark_toplevel [2022-10-15 21:20:26,918 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_mark_toplevel [2022-10-15 21:20:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_get [2022-10-15 21:20:26,919 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_get [2022-10-15 21:20:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure nla_parse_nested [2022-10-15 21:20:26,919 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_parse_nested [2022-10-15 21:20:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_get_expires [2022-10-15 21:20:26,920 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_get_expires [2022-10-15 21:20:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-15 21:20:26,920 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-15 21:20:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-15 21:20:26,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-15 21:20:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_reshape_fail [2022-10-15 21:20:26,921 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_reshape_fail [2022-10-15 21:20:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:20:26,922 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:20:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_root_sleeping [2022-10-15 21:20:26,924 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_root_sleeping [2022-10-15 21:20:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_init [2022-10-15 21:20:26,930 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_init [2022-10-15 21:20:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:20:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_class [2022-10-15 21:20:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_class [2022-10-15 21:20:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure sch_tree_lock [2022-10-15 21:20:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure sch_tree_lock [2022-10-15 21:20:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_attr [2022-10-15 21:20:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_attr [2022-10-15 21:20:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:20:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:20:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_find_tcf [2022-10-15 21:20:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_find_tcf [2022-10-15 21:20:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_drop [2022-10-15 21:20:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_drop [2022-10-15 21:20:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:20:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_rmprio [2022-10-15 21:20:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_rmprio [2022-10-15 21:20:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:20:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_priv [2022-10-15 21:20:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_priv [2022-10-15 21:20:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_walk [2022-10-15 21:20:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_walk [2022-10-15 21:20:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:20:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_get_rtab [2022-10-15 21:20:26,939 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_get_rtab [2022-10-15 21:20:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2022-10-15 21:20:26,939 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2022-10-15 21:20:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_addprio [2022-10-15 21:20:26,939 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_addprio [2022-10-15 21:20:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:20:26,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:20:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_change_class [2022-10-15 21:20:26,940 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_change_class [2022-10-15 21:20:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_deactivate_class [2022-10-15 21:20:26,940 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_deactivate_class [2022-10-15 21:20:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_dev [2022-10-15 21:20:26,940 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_dev [2022-10-15 21:20:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-10-15 21:20:26,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-10-15 21:20:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2022-10-15 21:20:26,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2022-10-15 21:20:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_qlen_notify [2022-10-15 21:20:26,941 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_qlen_notify [2022-10-15 21:20:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_destroy_class [2022-10-15 21:20:26,941 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_destroy_class [2022-10-15 21:20:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_l2t [2022-10-15 21:20:26,942 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_l2t [2022-10-15 21:20:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 21:20:26,942 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-15 21:20:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_graft [2022-10-15 21:20:26,942 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_graft [2022-10-15 21:20:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:20:26,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:20:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_set_wrr [2022-10-15 21:20:26,943 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_set_wrr [2022-10-15 21:20:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dequeue [2022-10-15 21:20:26,943 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dequeue [2022-10-15 21:20:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:20:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_put [2022-10-15 21:20:26,944 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_put [2022-10-15 21:20:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_tree_decrease_qlen [2022-10-15 21:20:26,944 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_tree_decrease_qlen [2022-10-15 21:20:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-10-15 21:20:26,944 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-10-15 21:20:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:20:26,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:20:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_leaf [2022-10-15 21:20:26,945 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_leaf [2022-10-15 21:20:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-10-15 21:20:26,945 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-10-15 21:20:27,796 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:20:27,802 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:20:27,914 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:20:35,442 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:20:35,470 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:20:35,471 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:20:35,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:20:35 BoogieIcfgContainer [2022-10-15 21:20:35,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:20:35,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:20:35,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:20:35,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:20:35,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:20:22" (1/3) ... [2022-10-15 21:20:35,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291bebe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:20:35, skipping insertion in model container [2022-10-15 21:20:35,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:25" (2/3) ... [2022-10-15 21:20:35,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291bebe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:20:35, skipping insertion in model container [2022-10-15 21:20:35,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:20:35" (3/3) ... [2022-10-15 21:20:35,488 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i [2022-10-15 21:20:35,510 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:20:35,511 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 132 error locations. [2022-10-15 21:20:35,615 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:20:35,624 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;@13b960f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:20:35,624 INFO L358 AbstractCegarLoop]: Starting to check reachability of 132 error locations. [2022-10-15 21:20:35,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 1803 states, 1286 states have (on average 1.4525660964230172) internal successors, (1868), 1441 states have internal predecessors, (1868), 298 states have call successors, (298), 87 states have call predecessors, (298), 86 states have return successors, (294), 292 states have call predecessors, (294), 294 states have call successors, (294) [2022-10-15 21:20:35,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 21:20:35,659 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:20:35,660 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] [2022-10-15 21:20:35,661 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [cbq_resetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cbq_resetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cbq_getErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 129 more)] === [2022-10-15 21:20:35,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:20:35,668 INFO L85 PathProgramCache]: Analyzing trace with hash 762313434, now seen corresponding path program 1 times [2022-10-15 21:20:35,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:20:35,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957080030] [2022-10-15 21:20:35,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:20:35,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:20:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:36,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:20:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:36,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:20:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:36,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:20:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:36,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:20:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:36,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:20:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:36,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:20:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:36,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:20:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:36,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:20:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:36,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:20:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:36,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:20:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:36,627 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-15 21:20:36,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:20:36,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957080030] [2022-10-15 21:20:36,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957080030] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:20:36,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:20:36,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:20:36,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542933362] [2022-10-15 21:20:36,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:20:36,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:20:36,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:20:36,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:20:36,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:20:36,681 INFO L87 Difference]: Start difference. First operand has 1803 states, 1286 states have (on average 1.4525660964230172) internal successors, (1868), 1441 states have internal predecessors, (1868), 298 states have call successors, (298), 87 states have call predecessors, (298), 86 states have return successors, (294), 292 states have call predecessors, (294), 294 states have call successors, (294) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-10-15 21:20:44,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:20:46,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:20:46,001 INFO L93 Difference]: Finished difference Result 5179 states and 7189 transitions. [2022-10-15 21:20:46,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:20:46,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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 76 [2022-10-15 21:20:46,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:20:46,055 INFO L225 Difference]: With dead ends: 5179 [2022-10-15 21:20:46,055 INFO L226 Difference]: Without dead ends: 3353 [2022-10-15 21:20:46,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:20:46,081 INFO L413 NwaCegarLoop]: 2492 mSDtfsCounter, 2505 mSDsluCounter, 2617 mSDsCounter, 0 mSdLazyCounter, 2156 mSolverCounterSat, 648 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2651 SdHoareTripleChecker+Valid, 5109 SdHoareTripleChecker+Invalid, 2805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 648 IncrementalHoareTripleChecker+Valid, 2156 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:20:46,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2651 Valid, 5109 Invalid, 2805 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [648 Valid, 2156 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2022-10-15 21:20:46,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3353 states. [2022-10-15 21:20:46,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3353 to 2825. [2022-10-15 21:20:46,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2825 states, 2103 states have (on average 1.4407988587731813) internal successors, (3030), 2255 states have internal predecessors, (3030), 454 states have call successors, (454), 144 states have call predecessors, (454), 145 states have return successors, (457), 449 states have call predecessors, (457), 454 states have call successors, (457) [2022-10-15 21:20:46,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2825 states to 2825 states and 3941 transitions. [2022-10-15 21:20:46,375 INFO L78 Accepts]: Start accepts. Automaton has 2825 states and 3941 transitions. Word has length 76 [2022-10-15 21:20:46,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:20:46,377 INFO L495 AbstractCegarLoop]: Abstraction has 2825 states and 3941 transitions. [2022-10-15 21:20:46,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-10-15 21:20:46,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2825 states and 3941 transitions. [2022-10-15 21:20:46,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 21:20:46,383 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:20:46,384 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] [2022-10-15 21:20:46,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:20:46,384 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [cbq_resetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cbq_resetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cbq_getErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 129 more)] === [2022-10-15 21:20:46,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:20:46,385 INFO L85 PathProgramCache]: Analyzing trace with hash -2142803544, now seen corresponding path program 1 times [2022-10-15 21:20:46,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:20:46,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116746526] [2022-10-15 21:20:46,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:20:46,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:20:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:46,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:20:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:46,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:20:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:46,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:20:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:46,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:20:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:46,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:20:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:46,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:20:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:46,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:20:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:46,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:20:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:46,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:20:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:46,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:20:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:46,703 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-15 21:20:46,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:20:46,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116746526] [2022-10-15 21:20:46,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116746526] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:20:46,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:20:46,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:20:46,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863212584] [2022-10-15 21:20:46,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:20:46,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:20:46,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:20:46,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:20:46,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:20:46,708 INFO L87 Difference]: Start difference. First operand 2825 states and 3941 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) [2022-10-15 21:20:54,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:20:54,416 INFO L93 Difference]: Finished difference Result 7181 states and 10042 transitions. [2022-10-15 21:20:54,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:20:54,417 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 [2022-10-15 21:20:54,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:20:54,453 INFO L225 Difference]: With dead ends: 7181 [2022-10-15 21:20:54,453 INFO L226 Difference]: Without dead ends: 4386 [2022-10-15 21:20:54,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:20:54,471 INFO L413 NwaCegarLoop]: 3070 mSDtfsCounter, 2085 mSDsluCounter, 2792 mSDsCounter, 0 mSdLazyCounter, 2342 mSolverCounterSat, 545 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2247 SdHoareTripleChecker+Valid, 5862 SdHoareTripleChecker+Invalid, 2887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 545 IncrementalHoareTripleChecker+Valid, 2342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:20:54,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2247 Valid, 5862 Invalid, 2887 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [545 Valid, 2342 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-10-15 21:20:54,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-10-15 21:20:54,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 3747. [2022-10-15 21:20:54,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3747 states, 2804 states have (on average 1.4304564907275321) internal successors, (4011), 2967 states have internal predecessors, (4011), 616 states have call successors, (616), 203 states have call predecessors, (616), 204 states have return successors, (619), 610 states have call predecessors, (619), 616 states have call successors, (619) [2022-10-15 21:20:54,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3747 states to 3747 states and 5246 transitions. [2022-10-15 21:20:54,788 INFO L78 Accepts]: Start accepts. Automaton has 3747 states and 5246 transitions. Word has length 79 [2022-10-15 21:20:54,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:20:54,791 INFO L495 AbstractCegarLoop]: Abstraction has 3747 states and 5246 transitions. [2022-10-15 21:20:54,792 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) [2022-10-15 21:20:54,792 INFO L276 IsEmpty]: Start isEmpty. Operand 3747 states and 5246 transitions. [2022-10-15 21:20:54,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-15 21:20:54,801 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:20:54,802 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 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] [2022-10-15 21:20:54,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:20:54,803 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [cbq_resetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cbq_resetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cbq_getErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 129 more)] === [2022-10-15 21:20:54,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:20:54,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1642639224, now seen corresponding path program 1 times [2022-10-15 21:20:54,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:20:54,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178298741] [2022-10-15 21:20:54,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:20:54,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:20:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:55,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:20:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:55,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:20:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:55,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:20:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:55,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:20:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:55,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:20:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:55,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:20:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:55,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:20:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:55,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:20:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:55,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:20:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:55,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:20:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:55,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 21:20:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:55,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 21:20:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:55,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-15 21:20:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:55,623 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-15 21:20:55,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:20:55,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178298741] [2022-10-15 21:20:55,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178298741] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:20:55,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:20:55,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:20:55,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101546146] [2022-10-15 21:20:55,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:20:55,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:20:55,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:20:55,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:20:55,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:20:55,626 INFO L87 Difference]: Start difference. First operand 3747 states and 5246 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-15 21:21:04,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:21:06,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []