./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-drivers--net--ethernet--sun--sungem.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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-drivers--net--ethernet--sun--sungem.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 beca6d28dd7191869e270d25b0891da4786f507d2ceb07178e235aa67381ee83 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:50:03,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:50:03,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:50:03,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:50:03,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:50:03,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:50:03,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:50:03,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:50:03,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:50:03,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:50:03,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:50:03,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:50:03,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:50:03,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:50:03,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:50:03,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:50:03,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:50:03,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:50:03,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:50:03,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:50:03,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:50:03,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:50:03,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:50:03,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:50:03,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:50:03,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:50:03,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:50:03,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:50:03,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:50:03,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:50:03,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:50:03,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:50:03,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:50:03,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:50:03,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:50:03,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:50:03,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:50:03,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:50:03,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:50:03,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:50:03,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:50:03,822 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:50:03,845 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:50:03,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:50:03,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:50:03,846 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:50:03,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:50:03,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:50:03,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:50:03,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:50:03,848 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:50:03,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:50:03,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:50:03,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:50:03,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:50:03,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:50:03,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:50:03,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:50:03,849 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:50:03,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:50:03,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:50:03,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:50:03,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:50:03,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:50:03,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:50:03,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:50:03,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:50:03,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:50:03,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:50:03,851 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:50:03,851 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:50:03,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:50:03,851 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:50:03,852 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> beca6d28dd7191869e270d25b0891da4786f507d2ceb07178e235aa67381ee83 [2021-12-14 17:50:04,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:50:04,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:50:04,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:50:04,061 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:50:04,061 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:50:04,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sun--sungem.ko-entry_point.cil.out.i [2021-12-14 17:50:04,104 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/748a71660/f2f849beb4ab4bef842d7e2252fa8e67/FLAG2f03c6302 [2021-12-14 17:50:04,601 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:50:04,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sun--sungem.ko-entry_point.cil.out.i [2021-12-14 17:50:04,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/748a71660/f2f849beb4ab4bef842d7e2252fa8e67/FLAG2f03c6302 [2021-12-14 17:50:04,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/748a71660/f2f849beb4ab4bef842d7e2252fa8e67 [2021-12-14 17:50:04,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:50:04,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:50:04,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:50:04,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:50:04,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:50:04,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:50:04" (1/1) ... [2021-12-14 17:50:04,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c000ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:04, skipping insertion in model container [2021-12-14 17:50:04,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:50:04" (1/1) ... [2021-12-14 17:50:04,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:50:04,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:50:05,330 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5354] [2021-12-14 17:50:05,331 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5355-5356] [2021-12-14 17:50:05,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sun--sungem.ko-entry_point.cil.out.i[164516,164529] [2021-12-14 17:50:06,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:50:06,512 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:50:06,576 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5354] [2021-12-14 17:50:06,577 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5355-5356] [2021-12-14 17:50:06,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sun--sungem.ko-entry_point.cil.out.i[164516,164529] [2021-12-14 17:50:06,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:50:06,926 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:50:06,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:06 WrapperNode [2021-12-14 17:50:06,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:50:06,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:50:06,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:50:06,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:50:06,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:06" (1/1) ... [2021-12-14 17:50:06,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:06" (1/1) ... [2021-12-14 17:50:07,119 INFO L137 Inliner]: procedures = 344, calls = 2293, calls flagged for inlining = 180, calls inlined = 143, statements flattened = 5203 [2021-12-14 17:50:07,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:50:07,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:50:07,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:50:07,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:50:07,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:06" (1/1) ... [2021-12-14 17:50:07,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:06" (1/1) ... [2021-12-14 17:50:07,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:06" (1/1) ... [2021-12-14 17:50:07,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:06" (1/1) ... [2021-12-14 17:50:07,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:06" (1/1) ... [2021-12-14 17:50:07,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:06" (1/1) ... [2021-12-14 17:50:07,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:06" (1/1) ... [2021-12-14 17:50:07,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:50:07,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:50:07,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:50:07,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:50:07,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:06" (1/1) ... [2021-12-14 17:50:07,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:50:07,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:50:07,352 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) [2021-12-14 17:50:07,360 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 [2021-12-14 17:50:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure gem_begin_auto_negotiation [2021-12-14 17:50:07,384 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_begin_auto_negotiation [2021-12-14 17:50:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 17:50:07,384 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 17:50:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-14 17:50:07,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-14 17:50:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure gem_netif_start [2021-12-14 17:50:07,385 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_netif_start [2021-12-14 17:50:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:50:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:50:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 17:50:07,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 17:50:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:50:07,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:50:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure gem_close [2021-12-14 17:50:07,385 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_close [2021-12-14 17:50:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-14 17:50:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-14 17:50:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-14 17:50:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-14 17:50:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 17:50:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 17:50:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 17:50:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 17:50:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:50:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:50:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-14 17:50:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure gem_resume [2021-12-14 17:50:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_resume [2021-12-14 17:50:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-14 17:50:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-14 17:50:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure gem_setup_multicast [2021-12-14 17:50:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_setup_multicast [2021-12-14 17:50:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-14 17:50:07,388 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-14 17:50:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:50:07,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:50:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-14 17:50:07,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-14 17:50:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 17:50:07,388 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 17:50:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-14 17:50:07,389 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-14 17:50:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 17:50:07,389 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 17:50:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-12-14 17:50:07,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-12-14 17:50:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2021-12-14 17:50:07,389 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2021-12-14 17:50:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 17:50:07,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 17:50:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:50:07,390 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:50:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 17:50:07,391 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 17:50:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2021-12-14 17:50:07,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2021-12-14 17:50:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-12-14 17:50:07,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-12-14 17:50:07,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:50:07,392 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-14 17:50:07,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-14 17:50:07,392 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 17:50:07,392 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 17:50:07,392 INFO L130 BoogieDeclarations]: Found specification of procedure gem_tx_timeout [2021-12-14 17:50:07,392 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_tx_timeout [2021-12-14 17:50:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:50:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 17:50:07,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 17:50:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 17:50:07,393 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 17:50:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-14 17:50:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-14 17:50:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 17:50:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 17:50:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-14 17:50:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure gem_get_cell [2021-12-14 17:50:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_get_cell [2021-12-14 17:50:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-14 17:50:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-14 17:50:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:50:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 17:50:07,395 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 17:50:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-14 17:50:07,395 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-14 17:50:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:50:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure gem_nway_reset [2021-12-14 17:50:07,395 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_nway_reset [2021-12-14 17:50:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure gem_disable_ints [2021-12-14 17:50:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_disable_ints [2021-12-14 17:50:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure gem_set_link_modes [2021-12-14 17:50:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_set_link_modes [2021-12-14 17:50:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-14 17:50:07,397 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-14 17:50:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 17:50:07,397 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 17:50:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure gem_set_multicast [2021-12-14 17:50:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_set_multicast [2021-12-14 17:50:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 17:50:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 17:50:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure gem_open [2021-12-14 17:50:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_open [2021-12-14 17:50:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2021-12-14 17:50:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2021-12-14 17:50:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:50:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 17:50:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 17:50:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure __phy_write [2021-12-14 17:50:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __phy_write [2021-12-14 17:50:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 17:50:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 17:50:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure gem_set_mac_address [2021-12-14 17:50:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_set_mac_address [2021-12-14 17:50:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:50:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2021-12-14 17:50:07,402 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2021-12-14 17:50:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-14 17:50:07,402 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-14 17:50:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure gem_interrupt [2021-12-14 17:50:07,403 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_interrupt [2021-12-14 17:50:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:50:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 17:50:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 17:50:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 17:50:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 17:50:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-14 17:50:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-14 17:50:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 17:50:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 17:50:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure gem_stop_phy [2021-12-14 17:50:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_stop_phy [2021-12-14 17:50:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 17:50:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 17:50:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 17:50:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 17:50:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure gem_ioctl [2021-12-14 17:50:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_ioctl [2021-12-14 17:50:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure gem_do_stop [2021-12-14 17:50:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_do_stop [2021-12-14 17:50:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-14 17:50:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-14 17:50:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure gem_get_stats [2021-12-14 17:50:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_get_stats [2021-12-14 17:50:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure gem_do_start [2021-12-14 17:50:07,410 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_do_start [2021-12-14 17:50:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:50:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 17:50:07,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 17:50:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-12-14 17:50:07,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-12-14 17:50:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-14 17:50:07,410 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-14 17:50:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:50:07,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:50:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure gem_clean_rings [2021-12-14 17:50:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_clean_rings [2021-12-14 17:50:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure gem_netif_stop [2021-12-14 17:50:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_netif_stop [2021-12-14 17:50:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:50:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2021-12-14 17:50:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2021-12-14 17:50:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 17:50:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 17:50:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-14 17:50:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-14 17:50:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:50:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-14 17:50:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-14 17:50:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 17:50:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 17:50:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:50:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 17:50:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-14 17:50:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-14 17:50:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2021-12-14 17:50:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2021-12-14 17:50:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure gem_alloc_skb [2021-12-14 17:50:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_alloc_skb [2021-12-14 17:50:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 17:50:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 17:50:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-14 17:50:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-14 17:50:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure gem_init_phy [2021-12-14 17:50:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_init_phy [2021-12-14 17:50:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-14 17:50:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-14 17:50:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure gem_reset [2021-12-14 17:50:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_reset [2021-12-14 17:50:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure gem_intme [2021-12-14 17:50:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_intme [2021-12-14 17:50:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 17:50:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 17:50:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure gem_pcs_reinit_adv [2021-12-14 17:50:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_pcs_reinit_adv [2021-12-14 17:50:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure gem_reinit_chip [2021-12-14 17:50:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_reinit_chip [2021-12-14 17:50:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 17:50:07,415 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 17:50:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-12-14 17:50:07,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-12-14 17:50:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-14 17:50:07,415 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-14 17:50:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure gem_schedule_reset [2021-12-14 17:50:07,415 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_schedule_reset [2021-12-14 17:50:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure gem_poll_controller [2021-12-14 17:50:07,415 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_poll_controller [2021-12-14 17:50:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-14 17:50:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-14 17:50:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-14 17:50:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-14 17:50:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 17:50:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 17:50:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure __phy_read [2021-12-14 17:50:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __phy_read [2021-12-14 17:50:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:50:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure gem_change_mtu [2021-12-14 17:50:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_change_mtu [2021-12-14 17:50:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure gem_remove_one [2021-12-14 17:50:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_remove_one [2021-12-14 17:50:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure gem_put_cell [2021-12-14 17:50:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_put_cell [2021-12-14 17:50:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-14 17:50:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-14 17:50:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:50:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:50:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure gem_enable_ints [2021-12-14 17:50:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_enable_ints [2021-12-14 17:50:08,103 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:50:08,105 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:50:08,354 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:50:10,190 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:50:10,203 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:50:10,203 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 17:50:10,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:50:10 BoogieIcfgContainer [2021-12-14 17:50:10,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:50:10,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:50:10,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:50:10,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:50:10,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:50:04" (1/3) ... [2021-12-14 17:50:10,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@569c77e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:50:10, skipping insertion in model container [2021-12-14 17:50:10,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:06" (2/3) ... [2021-12-14 17:50:10,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@569c77e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:50:10, skipping insertion in model container [2021-12-14 17:50:10,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:50:10" (3/3) ... [2021-12-14 17:50:10,211 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sun--sungem.ko-entry_point.cil.out.i [2021-12-14 17:50:10,214 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:50:10,214 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:50:10,245 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:50:10,248 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 [2021-12-14 17:50:10,249 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:50:10,281 INFO L276 IsEmpty]: Start isEmpty. Operand has 2095 states, 1467 states have (on average 1.3394683026584866) internal successors, (1965), 1505 states have internal predecessors, (1965), 523 states have call successors, (523), 104 states have call predecessors, (523), 103 states have return successors, (516), 514 states have call predecessors, (516), 516 states have call successors, (516) [2021-12-14 17:50:10,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-12-14 17:50:10,312 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:50:10,313 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:50:10,313 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:50:10,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:50:10,317 INFO L85 PathProgramCache]: Analyzing trace with hash 842120006, now seen corresponding path program 1 times [2021-12-14 17:50:10,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:50:10,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561527518] [2021-12-14 17:50:10,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:50:10,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:50:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:10,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:50:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:10,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:50:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:10,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:50:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:10,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:50:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:10,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:50:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:10,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 17:50:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:10,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 17:50:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:10,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 17:50:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:10,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:10,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-14 17:50:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:10,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:10,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 17:50:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:10,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-14 17:50:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:10,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-14 17:50:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:10,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:50:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:10,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:50:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:10,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 17:50:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:10,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-14 17:50:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:10,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:11,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:50:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:11,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 17:50:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:11,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 17:50:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:11,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-14 17:50:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:11,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:11,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:50:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:11,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-14 17:50:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:11,078 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-12-14 17:50:11,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:50:11,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561527518] [2021-12-14 17:50:11,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561527518] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:50:11,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:50:11,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:50:11,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786938710] [2021-12-14 17:50:11,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:50:11,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:50:11,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:50:11,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:50:11,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:50:11,114 INFO L87 Difference]: Start difference. First operand has 2095 states, 1467 states have (on average 1.3394683026584866) internal successors, (1965), 1505 states have internal predecessors, (1965), 523 states have call successors, (523), 104 states have call predecessors, (523), 103 states have return successors, (516), 514 states have call predecessors, (516), 516 states have call successors, (516) Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-14 17:50:17,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:50:17,286 INFO L93 Difference]: Finished difference Result 6184 states and 8953 transitions. [2021-12-14 17:50:17,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 17:50:17,288 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 189 [2021-12-14 17:50:17,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:50:17,320 INFO L225 Difference]: With dead ends: 6184 [2021-12-14 17:50:17,320 INFO L226 Difference]: Without dead ends: 4052 [2021-12-14 17:50:17,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-12-14 17:50:17,332 INFO L933 BasicCegarLoop]: 2971 mSDtfsCounter, 4836 mSDsluCounter, 4979 mSDsCounter, 0 mSdLazyCounter, 4570 mSolverCounterSat, 2859 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5076 SdHoareTripleChecker+Valid, 7950 SdHoareTripleChecker+Invalid, 7429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2859 IncrementalHoareTripleChecker+Valid, 4570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-12-14 17:50:17,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5076 Valid, 7950 Invalid, 7429 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2859 Valid, 4570 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2021-12-14 17:50:17,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4052 states. [2021-12-14 17:50:17,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4052 to 3695. [2021-12-14 17:50:17,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3695 states, 2600 states have (on average 1.3292307692307692) internal successors, (3456), 2653 states have internal predecessors, (3456), 901 states have call successors, (901), 194 states have call predecessors, (901), 193 states have return successors, (903), 894 states have call predecessors, (903), 900 states have call successors, (903) [2021-12-14 17:50:17,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3695 states to 3695 states and 5260 transitions. [2021-12-14 17:50:17,572 INFO L78 Accepts]: Start accepts. Automaton has 3695 states and 5260 transitions. Word has length 189 [2021-12-14 17:50:17,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:50:17,573 INFO L470 AbstractCegarLoop]: Abstraction has 3695 states and 5260 transitions. [2021-12-14 17:50:17,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-14 17:50:17,573 INFO L276 IsEmpty]: Start isEmpty. Operand 3695 states and 5260 transitions. [2021-12-14 17:50:17,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-14 17:50:17,581 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:50:17,581 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:50:17,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:50:17,582 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:50:17,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:50:17,582 INFO L85 PathProgramCache]: Analyzing trace with hash 936335009, now seen corresponding path program 1 times [2021-12-14 17:50:17,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:50:17,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529368983] [2021-12-14 17:50:17,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:50:17,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:50:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:50:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:50:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:50:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:50:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:50:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 17:50:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 17:50:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 17:50:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 17:50:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 17:50:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 17:50:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 17:50:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-14 17:50:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 17:50:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-14 17:50:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:50:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 17:50:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 17:50:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-14 17:50:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:50:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 17:50:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:17,872 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-14 17:50:17,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:50:17,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529368983] [2021-12-14 17:50:17,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529368983] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:50:17,873 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:50:17,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:50:17,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878629159] [2021-12-14 17:50:17,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:50:17,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:50:17,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:50:17,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:50:17,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:50:17,875 INFO L87 Difference]: Start difference. First operand 3695 states and 5260 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-14 17:50:22,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:50:22,965 INFO L93 Difference]: Finished difference Result 11205 states and 15983 transitions. [2021-12-14 17:50:22,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 17:50:22,965 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), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 171 [2021-12-14 17:50:22,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:50:23,001 INFO L225 Difference]: With dead ends: 11205 [2021-12-14 17:50:23,001 INFO L226 Difference]: Without dead ends: 7525 [2021-12-14 17:50:23,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-14 17:50:23,018 INFO L933 BasicCegarLoop]: 3299 mSDtfsCounter, 4914 mSDsluCounter, 4532 mSDsCounter, 0 mSdLazyCounter, 3526 mSolverCounterSat, 2911 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5176 SdHoareTripleChecker+Valid, 7831 SdHoareTripleChecker+Invalid, 6437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2911 IncrementalHoareTripleChecker+Valid, 3526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-12-14 17:50:23,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5176 Valid, 7831 Invalid, 6437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2911 Valid, 3526 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-12-14 17:50:23,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7525 states. [2021-12-14 17:50:23,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7525 to 6828. [2021-12-14 17:50:23,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6828 states, 4784 states have (on average 1.3254598662207357) internal successors, (6341), 4885 states have internal predecessors, (6341), 1671 states have call successors, (1671), 373 states have call predecessors, (1671), 372 states have return successors, (1673), 1658 states have call predecessors, (1673), 1670 states have call successors, (1673) [2021-12-14 17:50:23,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6828 states to 6828 states and 9685 transitions. [2021-12-14 17:50:23,303 INFO L78 Accepts]: Start accepts. Automaton has 6828 states and 9685 transitions. Word has length 171 [2021-12-14 17:50:23,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:50:23,304 INFO L470 AbstractCegarLoop]: Abstraction has 6828 states and 9685 transitions. [2021-12-14 17:50:23,304 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), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-14 17:50:23,304 INFO L276 IsEmpty]: Start isEmpty. Operand 6828 states and 9685 transitions. [2021-12-14 17:50:23,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-12-14 17:50:23,310 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:50:23,311 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:50:23,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 17:50:23,311 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:50:23,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:50:23,312 INFO L85 PathProgramCache]: Analyzing trace with hash -728665747, now seen corresponding path program 1 times [2021-12-14 17:50:23,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:50:23,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911965501] [2021-12-14 17:50:23,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:50:23,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:50:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:50:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:50:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:50:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:50:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:50:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 17:50:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-14 17:50:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 17:50:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 17:50:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 17:50:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-14 17:50:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 17:50:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 17:50:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 17:50:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 17:50:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:50:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 17:50:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 17:50:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 17:50:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:50:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-14 17:50:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:23,663 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-14 17:50:23,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:50:23,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911965501] [2021-12-14 17:50:23,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911965501] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:50:23,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:50:23,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:50:23,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859262958] [2021-12-14 17:50:23,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:50:23,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:50:23,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:50:23,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:50:23,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:50:23,666 INFO L87 Difference]: Start difference. First operand 6828 states and 9685 transitions. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-14 17:50:27,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:50:27,114 INFO L93 Difference]: Finished difference Result 14399 states and 20616 transitions. [2021-12-14 17:50:27,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 17:50:27,115 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 179 [2021-12-14 17:50:27,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:50:27,149 INFO L225 Difference]: With dead ends: 14399 [2021-12-14 17:50:27,150 INFO L226 Difference]: Without dead ends: 7586 [2021-12-14 17:50:27,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-12-14 17:50:27,178 INFO L933 BasicCegarLoop]: 2639 mSDtfsCounter, 1593 mSDsluCounter, 6417 mSDsCounter, 0 mSdLazyCounter, 3412 mSolverCounterSat, 1461 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1599 SdHoareTripleChecker+Valid, 9056 SdHoareTripleChecker+Invalid, 4873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1461 IncrementalHoareTripleChecker+Valid, 3412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-12-14 17:50:27,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1599 Valid, 9056 Invalid, 4873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1461 Valid, 3412 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-12-14 17:50:27,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7586 states. [2021-12-14 17:50:27,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7586 to 6848. [2021-12-14 17:50:27,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6848 states, 4796 states have (on average 1.3246455379482902) internal successors, (6353), 4897 states have internal predecessors, (6353), 1679 states have call successors, (1679), 373 states have call predecessors, (1679), 372 states have return successors, (1681), 1666 states have call predecessors, (1681), 1678 states have call successors, (1681) [2021-12-14 17:50:27,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6848 states to 6848 states and 9713 transitions. [2021-12-14 17:50:27,415 INFO L78 Accepts]: Start accepts. Automaton has 6848 states and 9713 transitions. Word has length 179 [2021-12-14 17:50:27,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:50:27,416 INFO L470 AbstractCegarLoop]: Abstraction has 6848 states and 9713 transitions. [2021-12-14 17:50:27,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-14 17:50:27,417 INFO L276 IsEmpty]: Start isEmpty. Operand 6848 states and 9713 transitions. [2021-12-14 17:50:27,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-14 17:50:27,422 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:50:27,423 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:50:27,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 17:50:27,423 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:50:27,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:50:27,424 INFO L85 PathProgramCache]: Analyzing trace with hash 289025462, now seen corresponding path program 1 times [2021-12-14 17:50:27,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:50:27,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93014594] [2021-12-14 17:50:27,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:50:27,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:50:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:50:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:50:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:50:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:50:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:50:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 17:50:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-14 17:50:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 17:50:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 17:50:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 17:50:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-14 17:50:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 17:50:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 17:50:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 17:50:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 17:50:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:50:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 17:50:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 17:50:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 17:50:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:50:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 17:50:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:27,699 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-14 17:50:27,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:50:27,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93014594] [2021-12-14 17:50:27,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93014594] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:50:27,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:50:27,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:50:27,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253566501] [2021-12-14 17:50:27,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:50:27,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:50:27,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:50:27,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:50:27,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:50:27,702 INFO L87 Difference]: Start difference. First operand 6848 states and 9713 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-14 17:50:31,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:50:31,039 INFO L93 Difference]: Finished difference Result 14419 states and 20640 transitions. [2021-12-14 17:50:31,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 17:50:31,040 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 180 [2021-12-14 17:50:31,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:50:31,065 INFO L225 Difference]: With dead ends: 14419 [2021-12-14 17:50:31,066 INFO L226 Difference]: Without dead ends: 7586 [2021-12-14 17:50:31,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-12-14 17:50:31,083 INFO L933 BasicCegarLoop]: 2642 mSDtfsCounter, 1587 mSDsluCounter, 6426 mSDsCounter, 0 mSdLazyCounter, 3411 mSolverCounterSat, 1458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1593 SdHoareTripleChecker+Valid, 9068 SdHoareTripleChecker+Invalid, 4869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1458 IncrementalHoareTripleChecker+Valid, 3411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-14 17:50:31,084 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1593 Valid, 9068 Invalid, 4869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1458 Valid, 3411 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-12-14 17:50:31,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7586 states. [2021-12-14 17:50:31,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7586 to 6856. [2021-12-14 17:50:31,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6856 states, 4804 states have (on average 1.3249375520399667) internal successors, (6365), 4905 states have internal predecessors, (6365), 1679 states have call successors, (1679), 373 states have call predecessors, (1679), 372 states have return successors, (1681), 1666 states have call predecessors, (1681), 1678 states have call successors, (1681) [2021-12-14 17:50:31,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6856 states to 6856 states and 9725 transitions. [2021-12-14 17:50:31,295 INFO L78 Accepts]: Start accepts. Automaton has 6856 states and 9725 transitions. Word has length 180 [2021-12-14 17:50:31,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:50:31,296 INFO L470 AbstractCegarLoop]: Abstraction has 6856 states and 9725 transitions. [2021-12-14 17:50:31,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-14 17:50:31,296 INFO L276 IsEmpty]: Start isEmpty. Operand 6856 states and 9725 transitions. [2021-12-14 17:50:31,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-12-14 17:50:31,302 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:50:31,303 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:50:31,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 17:50:31,303 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:50:31,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:50:31,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1949431013, now seen corresponding path program 1 times [2021-12-14 17:50:31,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:50:31,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122104832] [2021-12-14 17:50:31,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:50:31,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:50:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:50:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:50:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:50:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:50:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:50:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 17:50:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 17:50:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-14 17:50:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-14 17:50:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-14 17:50:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 17:50:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 17:50:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:50:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 17:50:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 17:50:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 17:50:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:50:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-14 17:50:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:31,536 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-12-14 17:50:31,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:50:31,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122104832] [2021-12-14 17:50:31,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122104832] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:50:31,536 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:50:31,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:50:31,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473111042] [2021-12-14 17:50:31,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:50:31,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:50:31,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:50:31,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:50:31,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:50:31,538 INFO L87 Difference]: Start difference. First operand 6856 states and 9725 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (29), 4 states have call predecessors, (29), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-14 17:50:34,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:50:34,771 INFO L93 Difference]: Finished difference Result 14391 states and 20582 transitions. [2021-12-14 17:50:34,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 17:50:34,772 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (29), 4 states have call predecessors, (29), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 168 [2021-12-14 17:50:34,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:50:34,802 INFO L225 Difference]: With dead ends: 14391 [2021-12-14 17:50:34,802 INFO L226 Difference]: Without dead ends: 7550 [2021-12-14 17:50:34,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-14 17:50:34,824 INFO L933 BasicCegarLoop]: 2631 mSDtfsCounter, 1553 mSDsluCounter, 4169 mSDsCounter, 0 mSdLazyCounter, 2626 mSolverCounterSat, 1438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1559 SdHoareTripleChecker+Valid, 6800 SdHoareTripleChecker+Invalid, 4064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1438 IncrementalHoareTripleChecker+Valid, 2626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-12-14 17:50:34,824 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1559 Valid, 6800 Invalid, 4064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1438 Valid, 2626 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-12-14 17:50:34,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7550 states. [2021-12-14 17:50:35,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7550 to 6860. [2021-12-14 17:50:35,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6860 states, 4808 states have (on average 1.324667221297837) internal successors, (6369), 4909 states have internal predecessors, (6369), 1679 states have call successors, (1679), 373 states have call predecessors, (1679), 372 states have return successors, (1681), 1666 states have call predecessors, (1681), 1678 states have call successors, (1681) [2021-12-14 17:50:35,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6860 states to 6860 states and 9729 transitions. [2021-12-14 17:50:35,045 INFO L78 Accepts]: Start accepts. Automaton has 6860 states and 9729 transitions. Word has length 168 [2021-12-14 17:50:35,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:50:35,046 INFO L470 AbstractCegarLoop]: Abstraction has 6860 states and 9729 transitions. [2021-12-14 17:50:35,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (29), 4 states have call predecessors, (29), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-14 17:50:35,047 INFO L276 IsEmpty]: Start isEmpty. Operand 6860 states and 9729 transitions. [2021-12-14 17:50:35,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-14 17:50:35,053 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:50:35,053 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:50:35,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 17:50:35,053 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:50:35,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:50:35,054 INFO L85 PathProgramCache]: Analyzing trace with hash -896810182, now seen corresponding path program 1 times [2021-12-14 17:50:35,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:50:35,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384566089] [2021-12-14 17:50:35,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:50:35,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:50:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:50:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:50:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:50:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:50:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:50:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 17:50:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-14 17:50:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 17:50:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 17:50:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 17:50:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-14 17:50:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 17:50:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 17:50:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 17:50:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 17:50:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:50:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 17:50:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 17:50:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 17:50:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:50:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 17:50:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:35,309 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-14 17:50:35,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:50:35,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384566089] [2021-12-14 17:50:35,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384566089] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:50:35,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:50:35,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:50:35,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935105229] [2021-12-14 17:50:35,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:50:35,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:50:35,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:50:35,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:50:35,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:50:35,313 INFO L87 Difference]: Start difference. First operand 6860 states and 9729 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) [2021-12-14 17:50:38,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:50:38,584 INFO L93 Difference]: Finished difference Result 14435 states and 20632 transitions. [2021-12-14 17:50:38,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 17:50:38,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) Word has length 180 [2021-12-14 17:50:38,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:50:38,611 INFO L225 Difference]: With dead ends: 14435 [2021-12-14 17:50:38,611 INFO L226 Difference]: Without dead ends: 7590 [2021-12-14 17:50:38,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-14 17:50:38,631 INFO L933 BasicCegarLoop]: 2636 mSDtfsCounter, 1556 mSDsluCounter, 4182 mSDsCounter, 0 mSdLazyCounter, 2629 mSolverCounterSat, 1446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1566 SdHoareTripleChecker+Valid, 6818 SdHoareTripleChecker+Invalid, 4075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1446 IncrementalHoareTripleChecker+Valid, 2629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-12-14 17:50:38,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1566 Valid, 6818 Invalid, 4075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1446 Valid, 2629 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-12-14 17:50:38,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7590 states. [2021-12-14 17:50:38,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7590 to 6868. [2021-12-14 17:50:38,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6868 states, 4816 states have (on average 1.3241279069767442) internal successors, (6377), 4917 states have internal predecessors, (6377), 1679 states have call successors, (1679), 373 states have call predecessors, (1679), 372 states have return successors, (1681), 1666 states have call predecessors, (1681), 1678 states have call successors, (1681) [2021-12-14 17:50:38,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6868 states to 6868 states and 9737 transitions. [2021-12-14 17:50:38,883 INFO L78 Accepts]: Start accepts. Automaton has 6868 states and 9737 transitions. Word has length 180 [2021-12-14 17:50:38,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:50:38,884 INFO L470 AbstractCegarLoop]: Abstraction has 6868 states and 9737 transitions. [2021-12-14 17:50:38,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) [2021-12-14 17:50:38,884 INFO L276 IsEmpty]: Start isEmpty. Operand 6868 states and 9737 transitions. [2021-12-14 17:50:38,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-12-14 17:50:38,890 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:50:38,890 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:50:38,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-14 17:50:38,891 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:50:38,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:50:38,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1757092967, now seen corresponding path program 1 times [2021-12-14 17:50:38,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:50:38,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951967281] [2021-12-14 17:50:38,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:50:38,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:50:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:50:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:50:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:50:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:50:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:50:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 17:50:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 17:50:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-14 17:50:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-14 17:50:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-14 17:50:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 17:50:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 17:50:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:50:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 17:50:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 17:50:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 17:50:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:50:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-14 17:50:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,123 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-12-14 17:50:39,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:50:39,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951967281] [2021-12-14 17:50:39,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951967281] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 17:50:39,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140567919] [2021-12-14 17:50:39,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:50:39,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 17:50:39,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:50:39,125 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 17:50:39,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-14 17:50:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:39,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 2590 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-14 17:50:39,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 17:50:40,046 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-12-14 17:50:40,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 17:50:40,301 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-12-14 17:50:40,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140567919] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 17:50:40,301 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 17:50:40,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 8 [2021-12-14 17:50:40,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143669133] [2021-12-14 17:50:40,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 17:50:40,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-14 17:50:40,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:50:40,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-14 17:50:40,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-14 17:50:40,303 INFO L87 Difference]: Start difference. First operand 6868 states and 9737 transitions. Second operand has 8 states, 8 states have (on average 14.625) internal successors, (117), 6 states have internal predecessors, (117), 2 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2021-12-14 17:50:43,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:50:43,801 INFO L93 Difference]: Finished difference Result 14683 states and 21000 transitions. [2021-12-14 17:50:43,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 17:50:43,801 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 6 states have internal predecessors, (117), 2 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 176 [2021-12-14 17:50:43,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:50:43,826 INFO L225 Difference]: With dead ends: 14683 [2021-12-14 17:50:43,826 INFO L226 Difference]: Without dead ends: 7830 [2021-12-14 17:50:43,844 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-14 17:50:43,845 INFO L933 BasicCegarLoop]: 2657 mSDtfsCounter, 1653 mSDsluCounter, 6444 mSDsCounter, 0 mSdLazyCounter, 3463 mSolverCounterSat, 1504 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1681 SdHoareTripleChecker+Valid, 9101 SdHoareTripleChecker+Invalid, 4967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1504 IncrementalHoareTripleChecker+Valid, 3463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-12-14 17:50:43,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1681 Valid, 9101 Invalid, 4967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1504 Valid, 3463 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-12-14 17:50:43,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7830 states. [2021-12-14 17:50:44,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7830 to 7144. [2021-12-14 17:50:44,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7144 states, 5020 states have (on average 1.3205179282868527) internal successors, (6629), 5133 states have internal predecessors, (6629), 1751 states have call successors, (1751), 373 states have call predecessors, (1751), 372 states have return successors, (1753), 1738 states have call predecessors, (1753), 1750 states have call successors, (1753) [2021-12-14 17:50:44,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7144 states to 7144 states and 10133 transitions. [2021-12-14 17:50:44,060 INFO L78 Accepts]: Start accepts. Automaton has 7144 states and 10133 transitions. Word has length 176 [2021-12-14 17:50:44,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:50:44,061 INFO L470 AbstractCegarLoop]: Abstraction has 7144 states and 10133 transitions. [2021-12-14 17:50:44,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 6 states have internal predecessors, (117), 2 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2021-12-14 17:50:44,062 INFO L276 IsEmpty]: Start isEmpty. Operand 7144 states and 10133 transitions. [2021-12-14 17:50:44,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-14 17:50:44,069 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:50:44,069 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:50:44,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-14 17:50:44,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 17:50:44,304 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:50:44,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:50:44,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1723141457, now seen corresponding path program 2 times [2021-12-14 17:50:44,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:50:44,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079834643] [2021-12-14 17:50:44,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:50:44,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:50:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:50:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:50:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:50:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:50:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:50:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 17:50:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 17:50:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-14 17:50:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-14 17:50:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-14 17:50:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 17:50:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 17:50:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:50:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 17:50:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 17:50:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 17:50:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:50:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-14 17:50:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:44,647 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-12-14 17:50:44,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:50:44,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079834643] [2021-12-14 17:50:44,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079834643] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:50:44,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:50:44,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:50:44,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830378345] [2021-12-14 17:50:44,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:50:44,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:50:44,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:50:44,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:50:44,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:50:44,650 INFO L87 Difference]: Start difference. First operand 7144 states and 10133 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-14 17:50:47,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:50:47,529 INFO L93 Difference]: Finished difference Result 7873 states and 11178 transitions. [2021-12-14 17:50:47,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 17:50:47,530 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 200 [2021-12-14 17:50:47,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:50:47,531 INFO L225 Difference]: With dead ends: 7873 [2021-12-14 17:50:47,531 INFO L226 Difference]: Without dead ends: 0 [2021-12-14 17:50:47,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-14 17:50:47,544 INFO L933 BasicCegarLoop]: 2655 mSDtfsCounter, 3898 mSDsluCounter, 2073 mSDsCounter, 0 mSdLazyCounter, 1888 mSolverCounterSat, 1845 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4164 SdHoareTripleChecker+Valid, 4728 SdHoareTripleChecker+Invalid, 3733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1845 IncrementalHoareTripleChecker+Valid, 1888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-14 17:50:47,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4164 Valid, 4728 Invalid, 3733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1845 Valid, 1888 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-14 17:50:47,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-14 17:50:47,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-14 17:50:47,545 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) [2021-12-14 17:50:47,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-14 17:50:47,546 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2021-12-14 17:50:47,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:50:47,546 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 17:50:47,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-14 17:50:47,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-14 17:50:47,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-14 17:50:47,549 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-14 17:50:47,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-14 17:50:47,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.