./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../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 --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -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 -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7e95d09d0a325511d2d23c5463607122c33b5407011c57d58d8c5bc66ca09147 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:05:01,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:05:01,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:05:01,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:05:01,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:05:01,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:05:01,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:05:01,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:05:01,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:05:01,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:05:01,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:05:01,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:05:01,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:05:01,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:05:01,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:05:01,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:05:01,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:05:01,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:05:01,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:05:01,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:05:01,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:05:01,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:05:01,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:05:01,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:05:01,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:05:01,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:05:01,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:05:01,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:05:01,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:05:01,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:05:01,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:05:01,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:05:01,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:05:01,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:05:01,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:05:01,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:05:01,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:05:01,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:05:01,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:05:01,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:05:01,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:05:01,830 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:05:01,863 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:05:01,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:05:01,864 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:05:01,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:05:01,865 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:05:01,865 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:05:01,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:05:01,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:05:01,866 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:05:01,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:05:01,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:05:01,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:05:01,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:05:01,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:05:01,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:05:01,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:05:01,868 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:05:01,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:05:01,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:05:01,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:05:01,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:05:01,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:05:01,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:05:01,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:05:01,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:05:01,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:05:01,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:05:01,870 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:05:01,871 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:05:01,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:05:01,871 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e95d09d0a325511d2d23c5463607122c33b5407011c57d58d8c5bc66ca09147 [2021-12-28 04:05:02,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:05:02,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:05:02,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:05:02,187 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:05:02,188 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:05:02,189 INFO L432 ainManager$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 [2021-12-28 04:05:02,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b76155272/26fc6f1907fc4c60995dbf10c5df6aee/FLAG67b97db2e [2021-12-28 04:05:03,046 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:05:03,047 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 [2021-12-28 04:05:03,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b76155272/26fc6f1907fc4c60995dbf10c5df6aee/FLAG67b97db2e [2021-12-28 04:05:03,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b76155272/26fc6f1907fc4c60995dbf10c5df6aee [2021-12-28 04:05:03,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:05:03,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:05:03,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:05:03,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:05:03,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:05:03,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:05:03" (1/1) ... [2021-12-28 04:05:03,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d901511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:05:03, skipping insertion in model container [2021-12-28 04:05:03,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:05:03" (1/1) ... [2021-12-28 04:05:03,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:05:03,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:05:03,776 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5334] [2021-12-28 04:05:03,777 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5335-5336] [2021-12-28 04:05:03,984 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] [2021-12-28 04:05:04,722 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-28 04:05:04,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:05:04,750 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:05:04,842 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5334] [2021-12-28 04:05:04,843 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5335-5336] [2021-12-28 04:05:04,849 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] [2021-12-28 04:05:05,115 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-28 04:05:05,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:05:05,182 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:05:05,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:05:05 WrapperNode [2021-12-28 04:05:05,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:05:05,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:05:05,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:05:05,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:05:05,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:05:05" (1/1) ... [2021-12-28 04:05:05,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:05:05" (1/1) ... [2021-12-28 04:05:05,385 INFO L137 Inliner]: procedures = 228, calls = 1503, calls flagged for inlining = 97, calls inlined = 94, statements flattened = 3918 [2021-12-28 04:05:05,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:05:05,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:05:05,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:05:05,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:05:05,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:05:05" (1/1) ... [2021-12-28 04:05:05,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:05:05" (1/1) ... [2021-12-28 04:05:05,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:05:05" (1/1) ... [2021-12-28 04:05:05,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:05:05" (1/1) ... [2021-12-28 04:05:05,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:05:05" (1/1) ... [2021-12-28 04:05:05,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:05:05" (1/1) ... [2021-12-28 04:05:05,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:05:05" (1/1) ... [2021-12-28 04:05:05,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:05:05,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:05:05,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:05:05,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:05:05,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:05:05" (1/1) ... [2021-12-28 04:05:05,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:05:05,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:05:05,654 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) [2021-12-28 04:05:05,675 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 [2021-12-28 04:05:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_reclassify [2021-12-28 04:05:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_reclassify [2021-12-28 04:05:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_create_dflt [2021-12-28 04:05:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_create_dflt [2021-12-28 04:05:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_set_police [2021-12-28 04:05:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_set_police [2021-12-28 04:05:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:05:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:05:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_pkt_len [2021-12-28 04:05:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_pkt_len [2021-12-28 04:05:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_reset [2021-12-28 04:05:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_reset [2021-12-28 04:05:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_reset [2021-12-28 04:05:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_reset [2021-12-28 04:05:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2021-12-28 04:05:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2021-12-28 04:05:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:05:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:05:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_put_rtab [2021-12-28 04:05:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_put_rtab [2021-12-28 04:05:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_class_stats [2021-12-28 04:05:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_class_stats [2021-12-28 04:05:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2021-12-28 04:05:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2021-12-28 04:05:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_ovl_classic [2021-12-28 04:05:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_ovl_classic [2021-12-28 04:05:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_set_overlimit [2021-12-28 04:05:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_set_overlimit [2021-12-28 04:05:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_normalize_quanta [2021-12-28 04:05:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_normalize_quanta [2021-12-28 04:05:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_enqueue [2021-12-28 04:05:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_enqueue [2021-12-28 04:05:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_delete [2021-12-28 04:05:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_delete [2021-12-28 04:05:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:05:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:05:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump [2021-12-28 04:05:05,697 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump [2021-12-28 04:05:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure sch_tree_unlock [2021-12-28 04:05:05,697 INFO L138 BoogieDeclarations]: Found implementation of procedure sch_tree_unlock [2021-12-28 04:05:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_link_class [2021-12-28 04:05:05,697 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_link_class [2021-12-28 04:05:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2021-12-28 04:05:05,697 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2021-12-28 04:05:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:05:05,698 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:05:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_stats [2021-12-28 04:05:05,698 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_stats [2021-12-28 04:05:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure gnet_stats_copy_app [2021-12-28 04:05:05,698 INFO L138 BoogieDeclarations]: Found implementation of procedure gnet_stats_copy_app [2021-12-28 04:05:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_root_sleeping_lock [2021-12-28 04:05:05,699 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_root_sleeping_lock [2021-12-28 04:05:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_set_lss [2021-12-28 04:05:05,699 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_set_lss [2021-12-28 04:05:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_destroy [2021-12-28 04:05:05,699 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_destroy [2021-12-28 04:05:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:05:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_unthrottled [2021-12-28 04:05:05,700 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_unthrottled [2021-12-28 04:05:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_class_lookup [2021-12-28 04:05:05,700 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_class_lookup [2021-12-28 04:05:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dequeue_prio [2021-12-28 04:05:05,700 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dequeue_prio [2021-12-28 04:05:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure psched_get_time [2021-12-28 04:05:05,701 INFO L138 BoogieDeclarations]: Found implementation of procedure psched_get_time [2021-12-28 04:05:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_set_fopt [2021-12-28 04:05:05,701 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_set_fopt [2021-12-28 04:05:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:05:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:05:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 04:05:05,701 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 04:05:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dequeue_1 [2021-12-28 04:05:05,702 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dequeue_1 [2021-12-28 04:05:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-28 04:05:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_activate_class [2021-12-28 04:05:05,702 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_activate_class [2021-12-28 04:05:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2021-12-28 04:05:05,702 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2021-12-28 04:05:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:05:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:05:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure tcf_destroy_chain [2021-12-28 04:05:05,703 INFO L138 BoogieDeclarations]: Found implementation of procedure tcf_destroy_chain [2021-12-28 04:05:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_sync_defmap [2021-12-28 04:05:05,703 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_sync_defmap [2021-12-28 04:05:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-12-28 04:05:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-12-28 04:05:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_adjust_levels [2021-12-28 04:05:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_adjust_levels [2021-12-28 04:05:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_bind_filter [2021-12-28 04:05:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_bind_filter [2021-12-28 04:05:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-28 04:05:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-28 04:05:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 04:05:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 04:05:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_enqueue [2021-12-28 04:05:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_enqueue [2021-12-28 04:05:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_peek_dequeued [2021-12-28 04:05:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_peek_dequeued [2021-12-28 04:05:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:05:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_mark_toplevel [2021-12-28 04:05:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_mark_toplevel [2021-12-28 04:05:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_get [2021-12-28 04:05:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_get [2021-12-28 04:05:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure nla_parse_nested [2021-12-28 04:05:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_parse_nested [2021-12-28 04:05:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_get_expires [2021-12-28 04:05:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_get_expires [2021-12-28 04:05:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:05:05,707 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:05:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:05:05,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:05:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_reshape_fail [2021-12-28 04:05:05,707 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_reshape_fail [2021-12-28 04:05:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:05:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:05:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_root_sleeping [2021-12-28 04:05:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_root_sleeping [2021-12-28 04:05:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_init [2021-12-28 04:05:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_init [2021-12-28 04:05:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:05:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_class [2021-12-28 04:05:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_class [2021-12-28 04:05:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure sch_tree_lock [2021-12-28 04:05:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure sch_tree_lock [2021-12-28 04:05:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_attr [2021-12-28 04:05:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_attr [2021-12-28 04:05:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:05:05,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:05:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_find_tcf [2021-12-28 04:05:05,710 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_find_tcf [2021-12-28 04:05:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_drop [2021-12-28 04:05:05,710 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_drop [2021-12-28 04:05:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:05:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_rmprio [2021-12-28 04:05:05,710 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_rmprio [2021-12-28 04:05:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:05:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_priv [2021-12-28 04:05:05,711 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_priv [2021-12-28 04:05:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_walk [2021-12-28 04:05:05,711 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_walk [2021-12-28 04:05:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:05:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_get_rtab [2021-12-28 04:05:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_get_rtab [2021-12-28 04:05:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-12-28 04:05:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-12-28 04:05:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_addprio [2021-12-28 04:05:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_addprio [2021-12-28 04:05:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:05:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:05:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_change_class [2021-12-28 04:05:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_change_class [2021-12-28 04:05:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_deactivate_class [2021-12-28 04:05:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_deactivate_class [2021-12-28 04:05:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_dev [2021-12-28 04:05:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_dev [2021-12-28 04:05:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-12-28 04:05:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-12-28 04:05:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2021-12-28 04:05:05,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2021-12-28 04:05:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_qlen_notify [2021-12-28 04:05:05,714 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_qlen_notify [2021-12-28 04:05:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_destroy_class [2021-12-28 04:05:05,714 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_destroy_class [2021-12-28 04:05:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_l2t [2021-12-28 04:05:05,714 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_l2t [2021-12-28 04:05:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:05:05,715 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:05:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_graft [2021-12-28 04:05:05,715 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_graft [2021-12-28 04:05:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:05:05,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:05:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_set_wrr [2021-12-28 04:05:05,716 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_set_wrr [2021-12-28 04:05:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dequeue [2021-12-28 04:05:05,716 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dequeue [2021-12-28 04:05:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:05:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_put [2021-12-28 04:05:05,716 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_put [2021-12-28 04:05:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_tree_decrease_qlen [2021-12-28 04:05:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_tree_decrease_qlen [2021-12-28 04:05:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-28 04:05:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-28 04:05:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:05:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:05:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_leaf [2021-12-28 04:05:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_leaf [2021-12-28 04:05:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-28 04:05:05,718 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-28 04:05:06,467 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:05:06,473 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:05:06,630 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:05:09,398 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:05:09,415 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:05:09,416 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:05:09,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:05:09 BoogieIcfgContainer [2021-12-28 04:05:09,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:05:09,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:05:09,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:05:09,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:05:09,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:05:03" (1/3) ... [2021-12-28 04:05:09,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a23d9ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:05:09, skipping insertion in model container [2021-12-28 04:05:09,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:05:05" (2/3) ... [2021-12-28 04:05:09,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a23d9ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:05:09, skipping insertion in model container [2021-12-28 04:05:09,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:05:09" (3/3) ... [2021-12-28 04:05:09,426 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i [2021-12-28 04:05:09,430 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:05:09,431 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:05:09,474 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:05:09,480 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:05:09,480 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:05:09,522 INFO L276 IsEmpty]: Start isEmpty. Operand has 1519 states, 1133 states have (on average 1.380406001765225) internal successors, (1564), 1157 states have internal predecessors, (1564), 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) [2021-12-28 04:05:09,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-12-28 04:05:09,551 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:05:09,552 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:05:09,552 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:05:09,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:05:09,557 INFO L85 PathProgramCache]: Analyzing trace with hash 854131554, now seen corresponding path program 1 times [2021-12-28 04:05:09,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:05:09,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344353916] [2021-12-28 04:05:09,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:05:09,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:05:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:09,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:05:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:10,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:05:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:10,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:05:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:10,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:05:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:10,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:05:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:10,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 04:05:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:10,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 04:05:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:10,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 04:05:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:10,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:05:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:10,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 04:05:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:10,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 04:05:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:10,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-28 04:05:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:10,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:05:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:10,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-28 04:05:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:10,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:05:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:10,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:05:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:10,214 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-12-28 04:05:10,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:05:10,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344353916] [2021-12-28 04:05:10,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344353916] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:05:10,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:05:10,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:05:10,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091372683] [2021-12-28 04:05:10,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:05:10,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:05:10,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:05:10,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:05:10,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:05:10,251 INFO L87 Difference]: Start difference. First operand has 1519 states, 1133 states have (on average 1.380406001765225) internal successors, (1564), 1157 states have internal predecessors, (1564), 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 5 states, 5 states have (on average 14.6) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-28 04:05:14,712 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:05:17,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:05:19,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:05:22,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:05:24,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:05:24,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:05:24,979 INFO L93 Difference]: Finished difference Result 4630 states and 6747 transitions. [2021-12-28 04:05:24,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:05:24,981 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 137 [2021-12-28 04:05:24,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:05:25,024 INFO L225 Difference]: With dead ends: 4630 [2021-12-28 04:05:25,024 INFO L226 Difference]: Without dead ends: 3090 [2021-12-28 04:05:25,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:05:25,046 INFO L933 BasicCegarLoop]: 2205 mSDtfsCounter, 3578 mSDsluCounter, 2231 mSDsCounter, 0 mSdLazyCounter, 2397 mSolverCounterSat, 1526 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3797 SdHoareTripleChecker+Valid, 4436 SdHoareTripleChecker+Invalid, 3928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1526 IncrementalHoareTripleChecker+Valid, 2397 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:05:25,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3797 Valid, 4436 Invalid, 3928 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1526 Valid, 2397 Invalid, 5 Unknown, 0 Unchecked, 14.3s Time] [2021-12-28 04:05:25,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3090 states. [2021-12-28 04:05:25,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3090 to 2424. [2021-12-28 04:05:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2424 states, 1825 states have (on average 1.3726027397260274) internal successors, (2505), 1853 states have internal predecessors, (2505), 454 states have call successors, (454), 145 states have call predecessors, (454), 144 states have return successors, (453), 449 states have call predecessors, (453), 453 states have call successors, (453) [2021-12-28 04:05:25,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2424 states to 2424 states and 3412 transitions. [2021-12-28 04:05:25,271 INFO L78 Accepts]: Start accepts. Automaton has 2424 states and 3412 transitions. Word has length 137 [2021-12-28 04:05:25,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:05:25,274 INFO L470 AbstractCegarLoop]: Abstraction has 2424 states and 3412 transitions. [2021-12-28 04:05:25,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-28 04:05:25,274 INFO L276 IsEmpty]: Start isEmpty. Operand 2424 states and 3412 transitions. [2021-12-28 04:05:25,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-12-28 04:05:25,296 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:05:25,296 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:05:25,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:05:25,297 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:05:25,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:05:25,298 INFO L85 PathProgramCache]: Analyzing trace with hash -387803060, now seen corresponding path program 1 times [2021-12-28 04:05:25,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:05:25,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37700048] [2021-12-28 04:05:25,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:05:25,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:05:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:25,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:05:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:25,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:05:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:25,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:05:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:25,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:05:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:25,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:05:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:25,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 04:05:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:25,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 04:05:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:25,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 04:05:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:25,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:05:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:25,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 04:05:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:25,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 04:05:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:25,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:05:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:25,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-28 04:05:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:25,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:05:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:25,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-28 04:05:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:25,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:05:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:25,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-28 04:05:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:25,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-28 04:05:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:25,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:05:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:25,694 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-12-28 04:05:25,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:05:25,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37700048] [2021-12-28 04:05:25,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37700048] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:05:25,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:05:25,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:05:25,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681953191] [2021-12-28 04:05:25,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:05:25,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:05:25,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:05:25,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:05:25,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:05:25,699 INFO L87 Difference]: Start difference. First operand 2424 states and 3412 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-28 04:05:34,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:05:36,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:05:38,458 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:05:39,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:05:39,219 INFO L93 Difference]: Finished difference Result 7286 states and 10486 transitions. [2021-12-28 04:05:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:05:39,220 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 169 [2021-12-28 04:05:39,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:05:39,244 INFO L225 Difference]: With dead ends: 7286 [2021-12-28 04:05:39,244 INFO L226 Difference]: Without dead ends: 4892 [2021-12-28 04:05:39,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:05:39,254 INFO L933 BasicCegarLoop]: 3591 mSDtfsCounter, 3135 mSDsluCounter, 4160 mSDsCounter, 0 mSdLazyCounter, 3789 mSolverCounterSat, 997 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3414 SdHoareTripleChecker+Valid, 7751 SdHoareTripleChecker+Invalid, 4789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 997 IncrementalHoareTripleChecker+Valid, 3789 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2021-12-28 04:05:39,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3414 Valid, 7751 Invalid, 4789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [997 Valid, 3789 Invalid, 3 Unknown, 0 Unchecked, 13.2s Time] [2021-12-28 04:05:39,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4892 states. [2021-12-28 04:05:39,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4892 to 3837. [2021-12-28 04:05:39,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3837 states, 2899 states have (on average 1.3704725767506036) internal successors, (3973), 2945 states have internal predecessors, (3973), 709 states have call successors, (709), 229 states have call predecessors, (709), 228 states have return successors, (708), 702 states have call predecessors, (708), 708 states have call successors, (708) [2021-12-28 04:05:39,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 5390 transitions. [2021-12-28 04:05:39,402 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 5390 transitions. Word has length 169 [2021-12-28 04:05:39,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:05:39,403 INFO L470 AbstractCegarLoop]: Abstraction has 3837 states and 5390 transitions. [2021-12-28 04:05:39,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-28 04:05:39,404 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 5390 transitions. [2021-12-28 04:05:39,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-12-28 04:05:39,418 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:05:39,419 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:05:39,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:05:39,421 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:05:39,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:05:39,422 INFO L85 PathProgramCache]: Analyzing trace with hash 605319217, now seen corresponding path program 1 times [2021-12-28 04:05:39,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:05:39,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259597604] [2021-12-28 04:05:39,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:05:39,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:05:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:39,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:05:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:39,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:05:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:39,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:05:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:39,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:05:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:39,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:05:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:39,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 04:05:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:39,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 04:05:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:39,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 04:05:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:39,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:05:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:39,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 04:05:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:39,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 04:05:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:39,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:05:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:39,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-28 04:05:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:39,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:05:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:39,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-28 04:05:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:39,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:05:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:39,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-28 04:05:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:39,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-28 04:05:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:39,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:05:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:39,711 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2021-12-28 04:05:39,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:05:39,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259597604] [2021-12-28 04:05:39,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259597604] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:05:39,712 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:05:39,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:05:39,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996912908] [2021-12-28 04:05:39,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:05:39,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:05:39,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:05:39,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:05:39,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:05:39,714 INFO L87 Difference]: Start difference. First operand 3837 states and 5390 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-28 04:05:42,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:05:42,674 INFO L93 Difference]: Finished difference Result 8698 states and 12441 transitions. [2021-12-28 04:05:42,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:05:42,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 168 [2021-12-28 04:05:42,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:05:42,701 INFO L225 Difference]: With dead ends: 8698 [2021-12-28 04:05:42,701 INFO L226 Difference]: Without dead ends: 4891 [2021-12-28 04:05:42,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:05:42,721 INFO L933 BasicCegarLoop]: 2021 mSDtfsCounter, 1413 mSDsluCounter, 2303 mSDsCounter, 0 mSdLazyCounter, 2028 mSolverCounterSat, 798 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1522 SdHoareTripleChecker+Valid, 4324 SdHoareTripleChecker+Invalid, 2826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 798 IncrementalHoareTripleChecker+Valid, 2028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-28 04:05:42,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1522 Valid, 4324 Invalid, 2826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [798 Valid, 2028 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-28 04:05:42,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4891 states. [2021-12-28 04:05:42,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4891 to 3839. [2021-12-28 04:05:42,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3839 states, 2901 states have (on average 1.3702171664943124) internal successors, (3975), 2947 states have internal predecessors, (3975), 709 states have call successors, (709), 229 states have call predecessors, (709), 228 states have return successors, (708), 702 states have call predecessors, (708), 708 states have call successors, (708) [2021-12-28 04:05:42,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3839 states to 3839 states and 5392 transitions. [2021-12-28 04:05:42,882 INFO L78 Accepts]: Start accepts. Automaton has 3839 states and 5392 transitions. Word has length 168 [2021-12-28 04:05:42,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:05:42,883 INFO L470 AbstractCegarLoop]: Abstraction has 3839 states and 5392 transitions. [2021-12-28 04:05:42,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-28 04:05:42,883 INFO L276 IsEmpty]: Start isEmpty. Operand 3839 states and 5392 transitions. [2021-12-28 04:05:42,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-12-28 04:05:42,897 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:05:42,898 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:05:42,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:05:42,899 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:05:42,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:05:42,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1306919091, now seen corresponding path program 1 times [2021-12-28 04:05:42,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:05:42,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055253667] [2021-12-28 04:05:42,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:05:42,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:05:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:43,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:05:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:43,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:05:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:43,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:05:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:43,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:05:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:43,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:05:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:43,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 04:05:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:43,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 04:05:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:43,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 04:05:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:43,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:05:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:43,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 04:05:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:43,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 04:05:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:43,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:05:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:43,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-28 04:05:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:43,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:05:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:43,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-28 04:05:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:43,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:05:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:43,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-28 04:05:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:43,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-28 04:05:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:43,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:05:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:43,173 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2021-12-28 04:05:43,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:05:43,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055253667] [2021-12-28 04:05:43,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055253667] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:05:43,175 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:05:43,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:05:43,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983583958] [2021-12-28 04:05:43,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:05:43,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:05:43,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:05:43,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:05:43,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:05:43,177 INFO L87 Difference]: Start difference. First operand 3839 states and 5392 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2021-12-28 04:05:46,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:05:46,189 INFO L93 Difference]: Finished difference Result 8848 states and 12675 transitions. [2021-12-28 04:05:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:05:46,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 168 [2021-12-28 04:05:46,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:05:46,217 INFO L225 Difference]: With dead ends: 8848 [2021-12-28 04:05:46,217 INFO L226 Difference]: Without dead ends: 5039 [2021-12-28 04:05:46,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:05:46,233 INFO L933 BasicCegarLoop]: 2120 mSDtfsCounter, 1479 mSDsluCounter, 2378 mSDsCounter, 0 mSdLazyCounter, 2057 mSolverCounterSat, 802 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1612 SdHoareTripleChecker+Valid, 4498 SdHoareTripleChecker+Invalid, 2859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 802 IncrementalHoareTripleChecker+Valid, 2057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-28 04:05:46,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1612 Valid, 4498 Invalid, 2859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [802 Valid, 2057 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-28 04:05:46,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5039 states. [2021-12-28 04:05:46,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5039 to 3857. [2021-12-28 04:05:46,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3857 states, 2917 states have (on average 1.3695577648268769) internal successors, (3995), 2963 states have internal predecessors, (3995), 711 states have call successors, (711), 229 states have call predecessors, (711), 228 states have return successors, (710), 704 states have call predecessors, (710), 710 states have call successors, (710) [2021-12-28 04:05:46,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3857 states to 3857 states and 5416 transitions. [2021-12-28 04:05:46,391 INFO L78 Accepts]: Start accepts. Automaton has 3857 states and 5416 transitions. Word has length 168 [2021-12-28 04:05:46,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:05:46,392 INFO L470 AbstractCegarLoop]: Abstraction has 3857 states and 5416 transitions. [2021-12-28 04:05:46,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2021-12-28 04:05:46,393 INFO L276 IsEmpty]: Start isEmpty. Operand 3857 states and 5416 transitions. [2021-12-28 04:05:46,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-12-28 04:05:46,408 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:05:46,408 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:05:46,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 04:05:46,408 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:05:46,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:05:46,409 INFO L85 PathProgramCache]: Analyzing trace with hash 879702809, now seen corresponding path program 1 times [2021-12-28 04:05:46,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:05:46,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252035790] [2021-12-28 04:05:46,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:05:46,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:05:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:46,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:05:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:46,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:05:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:46,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:05:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:46,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:05:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:46,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:05:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:46,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 04:05:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:46,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 04:05:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:46,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 04:05:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:46,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:05:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:46,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 04:05:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:46,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 04:05:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:46,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:05:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:46,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-28 04:05:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:46,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:05:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:46,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-28 04:05:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:46,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:05:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:46,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-28 04:05:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:46,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-28 04:05:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:46,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:05:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:46,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 04:05:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:46,756 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2021-12-28 04:05:46,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:05:46,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252035790] [2021-12-28 04:05:46,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252035790] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:05:46,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:05:46,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:05:46,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122256490] [2021-12-28 04:05:46,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:05:46,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:05:46,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:05:46,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:05:46,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:05:46,760 INFO L87 Difference]: Start difference. First operand 3857 states and 5416 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 04:05:51,060 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:05:53,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:05:54,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:05:54,225 INFO L93 Difference]: Finished difference Result 5199 states and 7464 transitions. [2021-12-28 04:05:54,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:05:54,226 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 178 [2021-12-28 04:05:54,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:05:54,227 INFO L225 Difference]: With dead ends: 5199 [2021-12-28 04:05:54,227 INFO L226 Difference]: Without dead ends: 0 [2021-12-28 04:05:54,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:05:54,244 INFO L933 BasicCegarLoop]: 2073 mSDtfsCounter, 2706 mSDsluCounter, 1741 mSDsCounter, 0 mSdLazyCounter, 1963 mSolverCounterSat, 765 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2885 SdHoareTripleChecker+Valid, 3814 SdHoareTripleChecker+Invalid, 2730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 765 IncrementalHoareTripleChecker+Valid, 1963 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:05:54,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2885 Valid, 3814 Invalid, 2730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [765 Valid, 1963 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2021-12-28 04:05:54,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-28 04:05:54,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-28 04:05:54,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 04:05:54,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-28 04:05:54,246 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2021-12-28 04:05:54,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:05:54,246 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 04:05:54,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 04:05:54,247 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-28 04:05:54,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-28 04:05:54,249 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-28 04:05:54,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 04:05:54,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.