./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.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 aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:31:28,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:31:28,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:31:28,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:31:28,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:31:28,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:31:28,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:31:28,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:31:28,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:31:28,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:31:28,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:31:28,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:31:28,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:31:28,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:31:28,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:31:28,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:31:28,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:31:28,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:31:28,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:31:28,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:31:28,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:31:28,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:31:28,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:31:28,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:31:28,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:31:28,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:31:28,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:31:28,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:31:28,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:31:28,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:31:28,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:31:28,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:31:28,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:31:28,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:31:28,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:31:28,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:31:28,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:31:28,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:31:28,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:31:28,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:31:28,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:31:28,675 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:31:28,710 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:31:28,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:31:28,712 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:31:28,712 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:31:28,713 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:31:28,713 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:31:28,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:31:28,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:31:28,714 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:31:28,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:31:28,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:31:28,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:31:28,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:31:28,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:31:28,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:31:28,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:31:28,717 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:31:28,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:31:28,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:31:28,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:31:28,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:31:28,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:31:28,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:31:28,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:31:28,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:31:28,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:31:28,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:31:28,719 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:31:28,720 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:31:28,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:31:28,720 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f [2021-12-28 04:31:29,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:31:29,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:31:29,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:31:29,038 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:31:29,038 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:31:29,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2021-12-28 04:31:29,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41d17573d/578725add484443e9023b9d03193a8d7/FLAGe453e9a54 [2021-12-28 04:31:29,870 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:31:29,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2021-12-28 04:31:29,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41d17573d/578725add484443e9023b9d03193a8d7/FLAGe453e9a54 [2021-12-28 04:31:30,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41d17573d/578725add484443e9023b9d03193a8d7 [2021-12-28 04:31:30,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:31:30,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:31:30,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:31:30,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:31:30,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:31:30,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:31:30" (1/1) ... [2021-12-28 04:31:30,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df8940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:30, skipping insertion in model container [2021-12-28 04:31:30,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:31:30" (1/1) ... [2021-12-28 04:31:30,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:31:30,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:31:31,940 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2021-12-28 04:31:32,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:31:32,052 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:31:32,365 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2021-12-28 04:31:32,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:31:32,615 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:31:32,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:32 WrapperNode [2021-12-28 04:31:32,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:31:32,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:31:32,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:31:32,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:31:32,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:32" (1/1) ... [2021-12-28 04:31:32,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:32" (1/1) ... [2021-12-28 04:31:32,894 INFO L137 Inliner]: procedures = 299, calls = 2066, calls flagged for inlining = 144, calls inlined = 138, statements flattened = 4728 [2021-12-28 04:31:32,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:31:32,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:31:32,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:31:32,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:31:32,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:32" (1/1) ... [2021-12-28 04:31:32,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:32" (1/1) ... [2021-12-28 04:31:32,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:32" (1/1) ... [2021-12-28 04:31:32,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:32" (1/1) ... [2021-12-28 04:31:33,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:32" (1/1) ... [2021-12-28 04:31:33,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:32" (1/1) ... [2021-12-28 04:31:33,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:32" (1/1) ... [2021-12-28 04:31:33,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:31:33,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:31:33,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:31:33,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:31:33,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:32" (1/1) ... [2021-12-28 04:31:33,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:31:33,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:31:33,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:31:33,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:31:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2021-12-28 04:31:33,355 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2021-12-28 04:31:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_7 [2021-12-28 04:31:33,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_7 [2021-12-28 04:31:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2021-12-28 04:31:33,356 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2021-12-28 04:31:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 04:31:33,356 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 04:31:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:31:33,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:31:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:31:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:31:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 04:31:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 04:31:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2021-12-28 04:31:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2021-12-28 04:31:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 04:31:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 04:31:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-28 04:31:33,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-28 04:31:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_read_byte [2021-12-28 04:31:33,358 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_read_byte [2021-12-28 04:31:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:31:33,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:31:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2021-12-28 04:31:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2021-12-28 04:31:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2021-12-28 04:31:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2021-12-28 04:31:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2021-12-28 04:31:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2021-12-28 04:31:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2021-12-28 04:31:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2021-12-28 04:31:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:31:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:31:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-28 04:31:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-28 04:31:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-28 04:31:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-28 04:31:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-12-28 04:31:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-12-28 04:31:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 04:31:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 04:31:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-28 04:31:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-28 04:31:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:31:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:31:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2021-12-28 04:31:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2021-12-28 04:31:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ioctl [2021-12-28 04:31:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ioctl [2021-12-28 04:31:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:31:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:31:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:31:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:31:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-28 04:31:33,364 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-28 04:31:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2021-12-28 04:31:33,364 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2021-12-28 04:31:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:31:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2021-12-28 04:31:33,366 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2021-12-28 04:31:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 04:31:33,366 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 04:31:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-28 04:31:33,366 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-28 04:31:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:31:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 04:31:33,367 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 04:31:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-28 04:31:33,367 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-28 04:31:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 04:31:33,368 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 04:31:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_stats [2021-12-28 04:31:33,368 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_stats [2021-12-28 04:31:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:31:33,368 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:31:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-28 04:31:33,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-28 04:31:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:31:33,369 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:31:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-28 04:31:33,369 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-28 04:31:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:31:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:31:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2021-12-28 04:31:33,369 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2021-12-28 04:31:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-28 04:31:33,370 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-28 04:31:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2021-12-28 04:31:33,370 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2021-12-28 04:31:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-28 04:31:33,371 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-28 04:31:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-28 04:31:33,371 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-28 04:31:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:31:33,371 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:31:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-28 04:31:33,372 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-28 04:31:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:31:33,373 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:31:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-28 04:31:33,373 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-28 04:31:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2021-12-28 04:31:33,374 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2021-12-28 04:31:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2021-12-28 04:31:33,374 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2021-12-28 04:31:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:31:33,375 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:31:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2021-12-28 04:31:33,375 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2021-12-28 04:31:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2021-12-28 04:31:33,375 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2021-12-28 04:31:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2021-12-28 04:31:33,376 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2021-12-28 04:31:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:31:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:31:33,376 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:31:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout_work [2021-12-28 04:31:33,377 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout_work [2021-12-28 04:31:33,377 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 04:31:33,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 04:31:33,380 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-28 04:31:33,381 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-28 04:31:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:31:33,381 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:31:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:31:33,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:31:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2021-12-28 04:31:33,381 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2021-12-28 04:31:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2021-12-28 04:31:33,381 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2021-12-28 04:31:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2021-12-28 04:31:33,381 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2021-12-28 04:31:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-28 04:31:33,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-28 04:31:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2021-12-28 04:31:33,381 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2021-12-28 04:31:33,382 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2021-12-28 04:31:33,382 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2021-12-28 04:31:33,382 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-28 04:31:33,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-28 04:31:33,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:31:33,382 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 04:31:33,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 04:31:33,382 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2021-12-28 04:31:33,382 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2021-12-28 04:31:33,382 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2021-12-28 04:31:33,382 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2021-12-28 04:31:33,382 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2021-12-28 04:31:33,382 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2021-12-28 04:31:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:31:33,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:31:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2021-12-28 04:31:33,383 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2021-12-28 04:31:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2021-12-28 04:31:33,383 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2021-12-28 04:31:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:31:33,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:31:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:31:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2021-12-28 04:31:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2021-12-28 04:31:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:31:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:31:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-12-28 04:31:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-12-28 04:31:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2021-12-28 04:31:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2021-12-28 04:31:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-28 04:31:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-28 04:31:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:31:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2021-12-28 04:31:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2021-12-28 04:31:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-28 04:31:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-28 04:31:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:31:33,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:31:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:31:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:31:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-28 04:31:33,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-28 04:31:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2021-12-28 04:31:33,386 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2021-12-28 04:31:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-12-28 04:31:33,387 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-12-28 04:31:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2021-12-28 04:31:33,387 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2021-12-28 04:31:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2021-12-28 04:31:33,387 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2021-12-28 04:31:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_7 [2021-12-28 04:31:33,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_7 [2021-12-28 04:31:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-28 04:31:33,388 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-28 04:31:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2021-12-28 04:31:33,388 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2021-12-28 04:31:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-28 04:31:33,388 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-28 04:31:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-28 04:31:33,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-28 04:31:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-28 04:31:33,389 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-28 04:31:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2021-12-28 04:31:33,389 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2021-12-28 04:31:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:31:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-28 04:31:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2021-12-28 04:31:33,390 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2021-12-28 04:31:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-12-28 04:31:33,390 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-12-28 04:31:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-28 04:31:33,390 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-28 04:31:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:31:33,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:31:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-12-28 04:31:33,391 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-12-28 04:31:34,154 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:31:34,172 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:31:34,654 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:31:37,217 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7041-1: tlan_eisa_probe_~tmp___2~2#1 := tlan_eisa_probe_#t~ret320#1;havoc tlan_eisa_probe_#t~ret320#1; [2021-12-28 04:31:37,218 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7041: SUMMARY for call tlan_eisa_probe_#t~ret320#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-28 04:31:37,218 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume 4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296; [2021-12-28 04:31:37,218 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume !(4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296); [2021-12-28 04:31:37,218 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7043: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2021-12-28 04:31:37,218 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047-1: tlan_eisa_probe_~device_id~1#1 := tlan_eisa_probe_#t~ret321#1;havoc tlan_eisa_probe_#t~ret321#1; [2021-12-28 04:31:37,218 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047: SUMMARY for call tlan_eisa_probe_#t~ret321#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-28 04:31:37,219 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7048: assume 8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296; [2021-12-28 04:31:37,219 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7048: assume !(8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296); [2021-12-28 04:31:37,219 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7049: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2021-12-28 04:31:37,219 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7053-1: tlan_eisa_probe_~tmp___3~1#1 := tlan_eisa_probe_#t~ret322#1;havoc tlan_eisa_probe_#t~ret322#1; [2021-12-28 04:31:37,219 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7053: SUMMARY for call tlan_eisa_probe_#t~ret322#1 := inb((if (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-28 04:31:37,220 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume 1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296; [2021-12-28 04:31:37,220 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume !(1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296); [2021-12-28 04:31:37,220 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055-1: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet328#1; [2021-12-28 04:31:37,220 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055-1: assume !(16 == ~debug~0); [2021-12-28 04:31:37,220 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2021-12-28 04:31:37,220 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet323#1; [2021-12-28 04:31:37,221 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume !(16 == ~debug~0); [2021-12-28 04:31:37,221 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059-2: SUMMARY for call tlan_eisa_probe_#t~ret324#1 := inb((if (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-28 04:31:37,221 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7063: tlan_eisa_probe_~tmp___4~0#1 := tlan_eisa_probe_#t~ret324#1;havoc tlan_eisa_probe_#t~ret324#1;tlan_eisa_probe_#t~switch325#1 := 16 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-12-28 04:31:37,221 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7064: havoc tlan_eisa_probe_#t~switch325#1; [2021-12-28 04:31:37,221 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7065: assume tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_~irq~0#1 := 5; [2021-12-28 04:31:37,221 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7065: assume !tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_#t~switch325#1 := tlan_eisa_probe_#t~switch325#1 || 32 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-12-28 04:31:37,222 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7068: assume tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_~irq~0#1 := 9; [2021-12-28 04:31:37,222 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7068: assume !tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_#t~switch325#1 := tlan_eisa_probe_#t~switch325#1 || 64 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-12-28 04:31:37,222 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7071: assume tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_~irq~0#1 := 10; [2021-12-28 04:31:37,222 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7071: assume !tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_#t~switch325#1 := tlan_eisa_probe_#t~switch325#1 || 128 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-12-28 04:31:37,222 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_~irq~0#1 := 11; [2021-12-28 04:31:37,223 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume !tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_#t~switch325#1 := true; [2021-12-28 04:31:37,226 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume tlan_eisa_probe_#t~switch325#1; [2021-12-28 04:31:37,226 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume !tlan_eisa_probe_#t~switch325#1; [2021-12-28 04:31:37,227 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7078: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet327#1; [2021-12-28 04:31:37,227 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7078: assume !(16 == ~debug~0); [2021-12-28 04:31:37,231 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7080: SUMMARY for call tlan_eisa_probe_#t~ret326#1 := tlan_probe1(0, 0, tlan_eisa_probe_~ioaddr~0#1, tlan_eisa_probe_~irq~0#1, 12, 0, 0); srcloc: null [2021-12-28 04:31:37,232 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7081: assume -2147483648 <= tlan_eisa_probe_#t~ret326#1 && tlan_eisa_probe_#t~ret326#1 <= 2147483647;tlan_eisa_probe_~rc~3#1 := tlan_eisa_probe_#t~ret326#1;havoc tlan_eisa_probe_#t~ret326#1; [2021-12-28 04:31:37,232 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume 0 != ~bitwiseAnd(~debug~0, 16); [2021-12-28 04:31:37,233 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume !(0 != ~bitwiseAnd(~debug~0, 16)); [2021-12-28 04:31:37,233 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022: SUMMARY for call tlan_eisa_probe_#t~ret314#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-28 04:31:37,233 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022-1: tlan_eisa_probe_~tmp~38#1 := tlan_eisa_probe_#t~ret314#1;havoc tlan_eisa_probe_#t~ret314#1;havoc tlan_eisa_probe_#t~nondet315#1; [2021-12-28 04:31:37,237 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7090-1: tlan_eisa_probe_~ioaddr~0#1 := 4096 + tlan_eisa_probe_~ioaddr~0#1; [2021-12-28 04:31:37,237 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume 0 != ~bitwiseAnd(~debug~0, 16);havoc tlan_eisa_probe_#t~nondet318#1; [2021-12-28 04:31:37,237 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume !(0 != ~bitwiseAnd(~debug~0, 16)); [2021-12-28 04:31:37,237 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027-1: tlan_eisa_probe_~tmp___0~11#1 := tlan_eisa_probe_#t~ret316#1;havoc tlan_eisa_probe_#t~ret316#1;havoc tlan_eisa_probe_#t~nondet317#1; [2021-12-28 04:31:37,237 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027: SUMMARY for call tlan_eisa_probe_#t~ret316#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-28 04:31:37,238 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-1: call tlan_eisa_probe_#t~ret319#1.base, tlan_eisa_probe_#t~ret319#1.offset := __request_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16, ~#tlan_signature~0.base, ~#tlan_signature~0.offset, 0);tlan_eisa_probe_~tmp___1~4#1.base, tlan_eisa_probe_~tmp___1~4#1.offset := tlan_eisa_probe_#t~ret319#1.base, tlan_eisa_probe_#t~ret319#1.offset;havoc tlan_eisa_probe_#t~ret319#1.base, tlan_eisa_probe_#t~ret319#1.offset; [2021-12-28 04:31:37,238 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume tlan_eisa_probe_~ioaddr~0#1 <= 36863; [2021-12-28 04:31:37,238 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume !(tlan_eisa_probe_~ioaddr~0#1 <= 36863); [2021-12-28 04:31:37,238 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7099: assume 0 != ~bitwiseAnd(~debug~0, 16); [2021-12-28 04:31:37,238 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7099: assume !(0 != ~bitwiseAnd(~debug~0, 16)); [2021-12-28 04:31:37,238 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7037: assume 0 == (tlan_eisa_probe_~tmp___1~4#1.base + tlan_eisa_probe_~tmp___1~4#1.offset) % 18446744073709551616; [2021-12-28 04:31:37,238 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L7037: assume !(0 == (tlan_eisa_probe_~tmp___1~4#1.base + tlan_eisa_probe_~tmp___1~4#1.offset) % 18446744073709551616); [2021-12-28 04:31:37,348 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:31:37,363 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:31:37,363 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:31:37,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:31:37 BoogieIcfgContainer [2021-12-28 04:31:37,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:31:37,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:31:37,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:31:37,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:31:37,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:31:30" (1/3) ... [2021-12-28 04:31:37,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd21c8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:31:37, skipping insertion in model container [2021-12-28 04:31:37,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:32" (2/3) ... [2021-12-28 04:31:37,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd21c8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:31:37, skipping insertion in model container [2021-12-28 04:31:37,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:31:37" (3/3) ... [2021-12-28 04:31:37,373 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2021-12-28 04:31:37,376 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:31:37,377 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:31:37,418 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:31:37,423 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:31:37,423 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:31:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand has 2023 states, 1352 states have (on average 1.3150887573964498) internal successors, (1778), 1400 states have internal predecessors, (1778), 570 states have call successors, (570), 100 states have call predecessors, (570), 99 states have return successors, (562), 551 states have call predecessors, (562), 562 states have call successors, (562) [2021-12-28 04:31:37,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-12-28 04:31:37,483 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:31:37,484 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:31:37,485 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:31:37,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:31:37,489 INFO L85 PathProgramCache]: Analyzing trace with hash 2063791026, now seen corresponding path program 1 times [2021-12-28 04:31:37,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:31:37,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638769823] [2021-12-28 04:31:37,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:31:37,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:31:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:31:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:31:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:31:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:31:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:31:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:31:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:31:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:31:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 04:31:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 04:31:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-28 04:31:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-28 04:31:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:38,580 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2021-12-28 04:31:38,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:31:38,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638769823] [2021-12-28 04:31:38,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638769823] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:31:38,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:31:38,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:31:38,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23182319] [2021-12-28 04:31:38,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:31:38,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:31:38,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:31:38,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:31:38,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:31:38,624 INFO L87 Difference]: Start difference. First operand has 2023 states, 1352 states have (on average 1.3150887573964498) internal successors, (1778), 1400 states have internal predecessors, (1778), 570 states have call successors, (570), 100 states have call predecessors, (570), 99 states have return successors, (562), 551 states have call predecessors, (562), 562 states have call successors, (562) Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-28 04:31:47,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:31:47,981 INFO L93 Difference]: Finished difference Result 6149 states and 8957 transitions. [2021-12-28 04:31:47,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:31:47,988 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 197 [2021-12-28 04:31:47,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:31:48,046 INFO L225 Difference]: With dead ends: 6149 [2021-12-28 04:31:48,047 INFO L226 Difference]: Without dead ends: 4052 [2021-12-28 04:31:48,123 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:31:48,125 INFO L933 BasicCegarLoop]: 2993 mSDtfsCounter, 4553 mSDsluCounter, 4553 mSDsCounter, 0 mSdLazyCounter, 4627 mSolverCounterSat, 3777 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4777 SdHoareTripleChecker+Valid, 7546 SdHoareTripleChecker+Invalid, 8404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3777 IncrementalHoareTripleChecker+Valid, 4627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2021-12-28 04:31:48,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4777 Valid, 7546 Invalid, 8404 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3777 Valid, 4627 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2021-12-28 04:31:48,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4052 states. [2021-12-28 04:31:48,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4052 to 3656. [2021-12-28 04:31:48,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3656 states, 2427 states have (on average 1.3011948908117017) internal successors, (3158), 2511 states have internal predecessors, (3158), 1043 states have call successors, (1043), 185 states have call predecessors, (1043), 185 states have return successors, (1046), 1014 states have call predecessors, (1046), 1042 states have call successors, (1046) [2021-12-28 04:31:48,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3656 states to 3656 states and 5247 transitions. [2021-12-28 04:31:48,466 INFO L78 Accepts]: Start accepts. Automaton has 3656 states and 5247 transitions. Word has length 197 [2021-12-28 04:31:48,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:31:48,469 INFO L470 AbstractCegarLoop]: Abstraction has 3656 states and 5247 transitions. [2021-12-28 04:31:48,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-28 04:31:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 3656 states and 5247 transitions. [2021-12-28 04:31:48,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-12-28 04:31:48,481 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:31:48,482 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:31:48,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:31:48,482 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:31:48,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:31:48,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1014293796, now seen corresponding path program 1 times [2021-12-28 04:31:48,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:31:48,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426886565] [2021-12-28 04:31:48,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:31:48,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:31:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:31:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:31:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:31:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:31:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:31:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:31:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:31:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:31:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:48,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 04:31:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:49,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:49,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 04:31:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:49,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:49,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:31:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:49,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:49,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-28 04:31:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:49,088 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2021-12-28 04:31:49,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:31:49,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426886565] [2021-12-28 04:31:49,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426886565] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:31:49,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:31:49,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:31:49,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174647022] [2021-12-28 04:31:49,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:31:49,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:31:49,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:31:49,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:31:49,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:31:49,092 INFO L87 Difference]: Start difference. First operand 3656 states and 5247 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-28 04:31:54,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:31:54,892 INFO L93 Difference]: Finished difference Result 7732 states and 11167 transitions. [2021-12-28 04:31:54,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 04:31:54,892 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 190 [2021-12-28 04:31:54,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:31:54,927 INFO L225 Difference]: With dead ends: 7732 [2021-12-28 04:31:54,928 INFO L226 Difference]: Without dead ends: 4105 [2021-12-28 04:31:54,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:31:54,961 INFO L933 BasicCegarLoop]: 2507 mSDtfsCounter, 1660 mSDsluCounter, 3442 mSDsCounter, 0 mSdLazyCounter, 3005 mSolverCounterSat, 1781 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1690 SdHoareTripleChecker+Valid, 5949 SdHoareTripleChecker+Invalid, 4786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1781 IncrementalHoareTripleChecker+Valid, 3005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:31:54,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1690 Valid, 5949 Invalid, 4786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1781 Valid, 3005 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-12-28 04:31:54,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4105 states. [2021-12-28 04:31:55,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4105 to 3660. [2021-12-28 04:31:55,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3660 states, 2431 states have (on average 1.3006993006993006) internal successors, (3162), 2515 states have internal predecessors, (3162), 1043 states have call successors, (1043), 185 states have call predecessors, (1043), 185 states have return successors, (1046), 1014 states have call predecessors, (1046), 1042 states have call successors, (1046) [2021-12-28 04:31:55,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3660 states to 3660 states and 5251 transitions. [2021-12-28 04:31:55,137 INFO L78 Accepts]: Start accepts. Automaton has 3660 states and 5251 transitions. Word has length 190 [2021-12-28 04:31:55,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:31:55,139 INFO L470 AbstractCegarLoop]: Abstraction has 3660 states and 5251 transitions. [2021-12-28 04:31:55,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-28 04:31:55,139 INFO L276 IsEmpty]: Start isEmpty. Operand 3660 states and 5251 transitions. [2021-12-28 04:31:55,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-12-28 04:31:55,144 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:31:55,145 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 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] [2021-12-28 04:31:55,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:31:55,145 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:31:55,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:31:55,146 INFO L85 PathProgramCache]: Analyzing trace with hash -467895779, now seen corresponding path program 1 times [2021-12-28 04:31:55,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:31:55,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193248836] [2021-12-28 04:31:55,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:31:55,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:31:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:31:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:31:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:31:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:31:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:31:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:31:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:31:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:31:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 04:31:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 04:31:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:31:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:31:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:31:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-28 04:31:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:55,659 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2021-12-28 04:31:55,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:31:55,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193248836] [2021-12-28 04:31:55,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193248836] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 04:31:55,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074456786] [2021-12-28 04:31:55,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:31:55,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:31:55,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:31:55,667 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) [2021-12-28 04:31:55,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-28 04:31:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:56,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 3240 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 04:31:56,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 04:31:56,934 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2021-12-28 04:31:56,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 04:31:56,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074456786] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:31:56,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-28 04:31:56,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-12-28 04:31:56,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053684703] [2021-12-28 04:31:56,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:31:56,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 04:31:56,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:31:56,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 04:31:56,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:31:56,937 INFO L87 Difference]: Start difference. First operand 3660 states and 5251 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-28 04:31:57,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:31:57,192 INFO L93 Difference]: Finished difference Result 7321 states and 10535 transitions. [2021-12-28 04:31:57,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 04:31:57,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 208 [2021-12-28 04:31:57,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:31:57,218 INFO L225 Difference]: With dead ends: 7321 [2021-12-28 04:31:57,219 INFO L226 Difference]: Without dead ends: 3690 [2021-12-28 04:31:57,238 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:31:57,242 INFO L933 BasicCegarLoop]: 2843 mSDtfsCounter, 9 mSDsluCounter, 2834 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 5677 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-28 04:31:57,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 5677 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-28 04:31:57,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3690 states. [2021-12-28 04:31:57,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3690 to 3674. [2021-12-28 04:31:57,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3674 states, 2443 states have (on average 1.3000409332787557) internal successors, (3176), 2527 states have internal predecessors, (3176), 1045 states have call successors, (1045), 185 states have call predecessors, (1045), 185 states have return successors, (1048), 1016 states have call predecessors, (1048), 1044 states have call successors, (1048) [2021-12-28 04:31:57,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3674 states to 3674 states and 5269 transitions. [2021-12-28 04:31:57,392 INFO L78 Accepts]: Start accepts. Automaton has 3674 states and 5269 transitions. Word has length 208 [2021-12-28 04:31:57,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:31:57,394 INFO L470 AbstractCegarLoop]: Abstraction has 3674 states and 5269 transitions. [2021-12-28 04:31:57,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-28 04:31:57,394 INFO L276 IsEmpty]: Start isEmpty. Operand 3674 states and 5269 transitions. [2021-12-28 04:31:57,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-12-28 04:31:57,400 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:31:57,400 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:31:57,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-28 04:31:57,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:31:57,626 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:31:57,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:31:57,627 INFO L85 PathProgramCache]: Analyzing trace with hash -175224482, now seen corresponding path program 1 times [2021-12-28 04:31:57,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:31:57,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123736503] [2021-12-28 04:31:57,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:31:57,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:31:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:31:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:31:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:31:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:31:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:31:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:31:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:31:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:31:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:57,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:31:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:58,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:58,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 04:31:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:58,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:58,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 04:31:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:58,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:58,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-28 04:31:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:58,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-28 04:31:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:58,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-28 04:31:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:58,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:31:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:58,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 04:31:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:31:58,093 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2021-12-28 04:31:58,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:31:58,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123736503] [2021-12-28 04:31:58,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123736503] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:31:58,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:31:58,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:31:58,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108086407] [2021-12-28 04:31:58,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:31:58,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:31:58,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:31:58,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:31:58,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:31:58,097 INFO L87 Difference]: Start difference. First operand 3674 states and 5269 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 04:32:05,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:32:05,638 INFO L93 Difference]: Finished difference Result 11184 states and 16153 transitions. [2021-12-28 04:32:05,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:32:05,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 209 [2021-12-28 04:32:05,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:32:05,690 INFO L225 Difference]: With dead ends: 11184 [2021-12-28 04:32:05,690 INFO L226 Difference]: Without dead ends: 7539 [2021-12-28 04:32:05,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:32:05,717 INFO L933 BasicCegarLoop]: 3445 mSDtfsCounter, 4452 mSDsluCounter, 3987 mSDsCounter, 0 mSdLazyCounter, 4031 mSolverCounterSat, 3570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4685 SdHoareTripleChecker+Valid, 7432 SdHoareTripleChecker+Invalid, 7601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3570 IncrementalHoareTripleChecker+Valid, 4031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2021-12-28 04:32:05,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4685 Valid, 7432 Invalid, 7601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3570 Valid, 4031 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2021-12-28 04:32:05,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7539 states. [2021-12-28 04:32:05,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7539 to 6772. [2021-12-28 04:32:05,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6772 states, 4455 states have (on average 1.2962962962962963) internal successors, (5775), 4606 states have internal predecessors, (5775), 1980 states have call successors, (1980), 336 states have call predecessors, (1980), 336 states have return successors, (1983), 1929 states have call predecessors, (1983), 1979 states have call successors, (1983) [2021-12-28 04:32:06,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6772 states to 6772 states and 9738 transitions. [2021-12-28 04:32:06,037 INFO L78 Accepts]: Start accepts. Automaton has 6772 states and 9738 transitions. Word has length 209 [2021-12-28 04:32:06,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:32:06,037 INFO L470 AbstractCegarLoop]: Abstraction has 6772 states and 9738 transitions. [2021-12-28 04:32:06,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 04:32:06,039 INFO L276 IsEmpty]: Start isEmpty. Operand 6772 states and 9738 transitions. [2021-12-28 04:32:06,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-12-28 04:32:06,043 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:32:06,044 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 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] [2021-12-28 04:32:06,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 04:32:06,045 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:32:06,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:32:06,045 INFO L85 PathProgramCache]: Analyzing trace with hash 254280217, now seen corresponding path program 1 times [2021-12-28 04:32:06,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:32:06,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292068272] [2021-12-28 04:32:06,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:32:06,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:32:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:32:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:32:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:32:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:32:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:32:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:32:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:32:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:32:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 04:32:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 04:32:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:32:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:32:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:32:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-28 04:32:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:06,540 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2021-12-28 04:32:06,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:32:06,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292068272] [2021-12-28 04:32:06,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292068272] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 04:32:06,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49048549] [2021-12-28 04:32:06,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:32:06,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:32:06,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:32:06,544 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 04:32:06,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-28 04:32:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:07,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 3309 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-28 04:32:07,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 04:32:07,809 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2021-12-28 04:32:07,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 04:32:08,194 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2021-12-28 04:32:08,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49048549] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 04:32:08,195 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 04:32:08,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 9 [2021-12-28 04:32:08,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168506027] [2021-12-28 04:32:08,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 04:32:08,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 04:32:08,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:32:08,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 04:32:08,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:32:08,197 INFO L87 Difference]: Start difference. First operand 6772 states and 9738 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 6 states have internal predecessors, (86), 4 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-12-28 04:32:12,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:32:12,784 INFO L93 Difference]: Finished difference Result 14673 states and 21250 transitions. [2021-12-28 04:32:12,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-28 04:32:12,787 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 6 states have internal predecessors, (86), 4 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 210 [2021-12-28 04:32:12,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:32:12,841 INFO L225 Difference]: With dead ends: 14673 [2021-12-28 04:32:12,841 INFO L226 Difference]: Without dead ends: 7934 [2021-12-28 04:32:12,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 481 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2021-12-28 04:32:12,876 INFO L933 BasicCegarLoop]: 2510 mSDtfsCounter, 1931 mSDsluCounter, 3437 mSDsCounter, 0 mSdLazyCounter, 3078 mSolverCounterSat, 1970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1975 SdHoareTripleChecker+Valid, 5947 SdHoareTripleChecker+Invalid, 5048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1970 IncrementalHoareTripleChecker+Valid, 3078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-28 04:32:12,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1975 Valid, 5947 Invalid, 5048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1970 Valid, 3078 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-28 04:32:12,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7934 states. [2021-12-28 04:32:13,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7934 to 6944. [2021-12-28 04:32:13,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6944 states, 4579 states have (on average 1.2943874208342432) internal successors, (5927), 4730 states have internal predecessors, (5927), 2028 states have call successors, (2028), 336 states have call predecessors, (2028), 336 states have return successors, (2031), 1977 states have call predecessors, (2031), 2027 states have call successors, (2031) [2021-12-28 04:32:13,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6944 states to 6944 states and 9986 transitions. [2021-12-28 04:32:13,215 INFO L78 Accepts]: Start accepts. Automaton has 6944 states and 9986 transitions. Word has length 210 [2021-12-28 04:32:13,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:32:13,217 INFO L470 AbstractCegarLoop]: Abstraction has 6944 states and 9986 transitions. [2021-12-28 04:32:13,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 6 states have internal predecessors, (86), 4 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-12-28 04:32:13,218 INFO L276 IsEmpty]: Start isEmpty. Operand 6944 states and 9986 transitions. [2021-12-28 04:32:13,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-12-28 04:32:13,222 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:32:13,223 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:32:13,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-28 04:32:13,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:32:13,438 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:32:13,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:32:13,438 INFO L85 PathProgramCache]: Analyzing trace with hash -645362856, now seen corresponding path program 1 times [2021-12-28 04:32:13,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:32:13,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916749624] [2021-12-28 04:32:13,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:32:13,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:32:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:32:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:32:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:32:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:32:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:32:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:32:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:32:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:32:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 04:32:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 04:32:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-28 04:32:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-28 04:32:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-28 04:32:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-28 04:32:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-28 04:32:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:13,957 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2021-12-28 04:32:13,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:32:13,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916749624] [2021-12-28 04:32:13,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916749624] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:32:13,958 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:32:13,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-28 04:32:13,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6972521] [2021-12-28 04:32:13,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:32:13,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 04:32:13,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:32:13,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 04:32:13,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:32:13,960 INFO L87 Difference]: Start difference. First operand 6944 states and 9986 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18)