./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.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 af0382669342cd1b96ae06a23957b47efa45a6d5fd31066fb67e67230764554c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 17:29:29,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 17:29:29,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 17:29:29,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 17:29:29,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 17:29:29,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 17:29:29,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 17:29:29,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 17:29:29,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 17:29:29,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 17:29:29,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 17:29:29,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 17:29:29,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 17:29:29,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 17:29:29,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 17:29:29,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 17:29:29,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 17:29:29,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 17:29:29,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 17:29:29,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 17:29:29,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 17:29:29,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 17:29:29,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 17:29:29,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 17:29:29,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 17:29:29,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 17:29:29,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 17:29:29,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 17:29:29,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 17:29:29,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 17:29:29,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 17:29:29,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 17:29:29,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 17:29:29,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 17:29:29,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 17:29:29,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 17:29:29,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 17:29:29,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 17:29:29,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 17:29:29,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 17:29:29,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 17:29:29,339 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 17:29:29,368 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 17:29:29,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 17:29:29,369 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 17:29:29,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 17:29:29,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 17:29:29,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 17:29:29,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 17:29:29,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 17:29:29,371 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 17:29:29,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 17:29:29,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 17:29:29,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 17:29:29,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 17:29:29,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 17:29:29,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 17:29:29,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 17:29:29,374 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 17:29:29,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 17:29:29,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 17:29:29,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 17:29:29,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 17:29:29,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:29:29,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 17:29:29,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 17:29:29,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 17:29:29,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 17:29:29,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 17:29:29,377 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 17:29:29,377 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 17:29:29,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 17:29:29,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 17:29:29,378 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af0382669342cd1b96ae06a23957b47efa45a6d5fd31066fb67e67230764554c [2021-12-21 17:29:29,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 17:29:29,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 17:29:29,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 17:29:29,640 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 17:29:29,641 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 17:29:29,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i [2021-12-21 17:29:29,715 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a8cb295c/3e00ff188e024a85baf05dc523d6a5d7/FLAG76162490b [2021-12-21 17:29:30,604 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 17:29:30,605 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i [2021-12-21 17:29:30,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a8cb295c/3e00ff188e024a85baf05dc523d6a5d7/FLAG76162490b [2021-12-21 17:29:31,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a8cb295c/3e00ff188e024a85baf05dc523d6a5d7 [2021-12-21 17:29:31,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 17:29:31,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 17:29:31,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 17:29:31,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 17:29:31,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 17:29:31,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:29:31" (1/1) ... [2021-12-21 17:29:31,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d8bfda6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:29:31, skipping insertion in model container [2021-12-21 17:29:31,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:29:31" (1/1) ... [2021-12-21 17:29:31,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 17:29:31,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 17:29:36,821 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i[582586,582599] [2021-12-21 17:29:36,824 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i[582733,582746] [2021-12-21 17:29:36,824 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i[582872,582885] [2021-12-21 17:29:36,825 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i[583030,583043] [2021-12-21 17:29:36,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:29:36,928 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 17:29:37,564 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i[582586,582599] [2021-12-21 17:29:37,565 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i[582733,582746] [2021-12-21 17:29:37,565 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i[582872,582885] [2021-12-21 17:29:37,566 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i[583030,583043] [2021-12-21 17:29:37,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:29:38,001 INFO L208 MainTranslator]: Completed translation [2021-12-21 17:29:38,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:29:38 WrapperNode [2021-12-21 17:29:38,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 17:29:38,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 17:29:38,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 17:29:38,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 17:29:38,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:29:38" (1/1) ... [2021-12-21 17:29:38,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:29:38" (1/1) ... [2021-12-21 17:29:38,561 INFO L137 Inliner]: procedures = 659, calls = 5655, calls flagged for inlining = 410, calls inlined = 370, statements flattened = 14290 [2021-12-21 17:29:38,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 17:29:38,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 17:29:38,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 17:29:38,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 17:29:38,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:29:38" (1/1) ... [2021-12-21 17:29:38,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:29:38" (1/1) ... [2021-12-21 17:29:38,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:29:38" (1/1) ... [2021-12-21 17:29:38,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:29:38" (1/1) ... [2021-12-21 17:29:38,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:29:38" (1/1) ... [2021-12-21 17:29:39,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:29:38" (1/1) ... [2021-12-21 17:29:39,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:29:38" (1/1) ... [2021-12-21 17:29:39,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 17:29:39,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 17:29:39,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 17:29:39,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 17:29:39,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:29:38" (1/1) ... [2021-12-21 17:29:39,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:29:39,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 17:29:39,176 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) [2021-12-21 17:29:39,202 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 [2021-12-21 17:29:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_sge_intr_msix [2021-12-21 17:29:39,224 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_sge_intr_msix [2021-12-21 17:29:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_set_params [2021-12-21 17:29:39,224 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_set_params [2021-12-21 17:29:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-21 17:29:39,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-21 17:29:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 17:29:39,225 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 17:29:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-21 17:29:39,225 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-21 17:29:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb4vf_get_regs_len [2021-12-21 17:29:39,226 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb4vf_get_regs_len [2021-12-21 17:29:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-21 17:29:39,226 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-21 17:29:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb4vf_open [2021-12-21 17:29:39,226 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb4vf_open [2021-12-21 17:29:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2021-12-21 17:29:39,226 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2021-12-21 17:29:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-21 17:29:39,227 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-21 17:29:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure refill_fl [2021-12-21 17:29:39,227 INFO L138 BoogieDeclarations]: Found implementation of procedure refill_fl [2021-12-21 17:29:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 17:29:39,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 17:29:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure free_rx_bufs [2021-12-21 17:29:39,228 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rx_bufs [2021-12-21 17:29:39,228 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-21 17:29:39,228 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-21 17:29:39,228 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-21 17:29:39,228 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-21 17:29:39,228 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-21 17:29:39,229 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-21 17:29:39,229 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 17:29:39,229 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 17:29:39,229 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 17:29:39,229 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 17:29:39,229 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_debugfs [2021-12-21 17:29:39,230 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_debugfs [2021-12-21 17:29:39,230 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_query_params [2021-12-21 17:29:39,230 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_query_params [2021-12-21 17:29:39,230 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-21 17:29:39,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-21 17:29:39,230 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 17:29:39,231 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 17:29:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_sw_desc [2021-12-21 17:29:39,231 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_sw_desc [2021-12-21 17:29:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure poison_buf [2021-12-21 17:29:39,231 INFO L138 BoogieDeclarations]: Found implementation of procedure poison_buf [2021-12-21 17:29:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure is_t4 [2021-12-21 17:29:39,232 INFO L138 BoogieDeclarations]: Found implementation of procedure is_t4 [2021-12-21 17:29:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-21 17:29:39,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-21 17:29:39,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-21 17:29:39,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-21 17:29:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-21 17:29:39,234 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-21 17:29:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-21 17:29:39,235 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-21 17:29:39,235 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-21 17:29:39,235 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-21 17:29:39,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 17:29:39,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 17:29:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 17:29:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-21 17:29:39,236 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-21 17:29:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-21 17:29:39,236 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-21 17:29:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-21 17:29:39,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-21 17:29:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-21 17:29:39,237 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-21 17:29:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 17:29:39,237 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 17:29:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 17:29:39,238 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 17:29:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure sge_qstats_entries [2021-12-21 17:29:39,238 INFO L138 BoogieDeclarations]: Found implementation of procedure sge_qstats_entries [2021-12-21 17:29:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure fl_cap [2021-12-21 17:29:39,238 INFO L138 BoogieDeclarations]: Found implementation of procedure fl_cap [2021-12-21 17:29:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 17:29:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure is_new_response [2021-12-21 17:29:39,239 INFO L138 BoogieDeclarations]: Found implementation of procedure is_new_response [2021-12-21 17:29:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-12-21 17:29:39,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-12-21 17:29:39,240 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 17:29:39,240 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 17:29:39,240 INFO L130 BoogieDeclarations]: Found specification of procedure qenable [2021-12-21 17:29:39,240 INFO L138 BoogieDeclarations]: Found implementation of procedure qenable [2021-12-21 17:29:39,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-21 17:29:39,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-21 17:29:39,241 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 17:29:39,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 17:29:39,241 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2021-12-21 17:29:39,241 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2021-12-21 17:29:39,241 INFO L130 BoogieDeclarations]: Found specification of procedure is_10g_port [2021-12-21 17:29:39,241 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10g_port [2021-12-21 17:29:39,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 17:29:39,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-21 17:29:39,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-21 17:29:39,242 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open [2021-12-21 17:29:39,242 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_open [2021-12-21 17:29:39,242 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header_len [2021-12-21 17:29:39,242 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header_len [2021-12-21 17:29:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 17:29:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_get_port_stats [2021-12-21 17:29:39,243 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_get_port_stats [2021-12-21 17:29:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_ring [2021-12-21 17:29:39,243 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_ring [2021-12-21 17:29:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 17:29:39,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 17:29:39,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 17:29:39,244 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 17:29:39,245 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_alloc_mac_filt [2021-12-21 17:29:39,247 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_alloc_mac_filt [2021-12-21 17:29:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-21 17:29:39,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-21 17:29:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-21 17:29:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-21 17:29:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure free_tx_desc [2021-12-21 17:29:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tx_desc [2021-12-21 17:29:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_wr_mbox_core [2021-12-21 17:29:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_wr_mbox_core [2021-12-21 17:29:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-21 17:29:39,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-21 17:29:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-12-21 17:29:39,255 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-12-21 17:29:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure netdev2adap [2021-12-21 17:29:39,255 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev2adap [2021-12-21 17:29:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-21 17:29:39,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-21 17:29:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-21 17:29:39,255 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-21 17:29:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-21 17:29:39,256 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-21 17:29:39,256 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_set_rxmode [2021-12-21 17:29:39,256 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_set_rxmode [2021-12-21 17:29:39,256 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-21 17:29:39,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-21 17:29:39,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cxgb4vf_module_exit_22_2 [2021-12-21 17:29:39,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cxgb4vf_module_exit_22_2 [2021-12-21 17:29:39,256 INFO L130 BoogieDeclarations]: Found specification of procedure core_ticks_to_us [2021-12-21 17:29:39,257 INFO L138 BoogieDeclarations]: Found implementation of procedure core_ticks_to_us [2021-12-21 17:29:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure init_rspq [2021-12-21 17:29:39,257 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rspq [2021-12-21 17:29:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 17:29:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-21 17:29:39,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-21 17:29:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-21 17:29:39,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-21 17:29:39,258 INFO L130 BoogieDeclarations]: Found specification of procedure adap2pinfo [2021-12-21 17:29:39,258 INFO L138 BoogieDeclarations]: Found implementation of procedure adap2pinfo [2021-12-21 17:29:39,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-12-21 17:29:39,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-12-21 17:29:39,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-21 17:29:39,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-21 17:29:39,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-21 17:29:39,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-21 17:29:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-12-21 17:29:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-12-21 17:29:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 17:29:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 17:29:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 17:29:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb4vf_stop [2021-12-21 17:29:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb4vf_stop [2021-12-21 17:29:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 17:29:39,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_seq_open [2021-12-21 17:29:39,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_seq_open [2021-12-21 17:29:39,260 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 17:29:39,260 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:29:39,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:29:39,260 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-21 17:29:39,260 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-21 17:29:39,260 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_change_mac [2021-12-21 17:29:39,261 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_change_mac [2021-12-21 17:29:39,261 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:29:39,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:29:39,261 INFO L130 BoogieDeclarations]: Found specification of procedure fl_starving [2021-12-21 17:29:39,261 INFO L138 BoogieDeclarations]: Found implementation of procedure fl_starving [2021-12-21 17:29:39,261 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_down [2021-12-21 17:29:39,261 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_down [2021-12-21 17:29:39,261 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-21 17:29:39,262 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-21 17:29:39,262 INFO L130 BoogieDeclarations]: Found specification of procedure netdev2pinfo [2021-12-21 17:29:39,262 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev2pinfo [2021-12-21 17:29:39,262 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_free_vi [2021-12-21 17:29:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_free_vi [2021-12-21 17:29:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_free_sge_resources [2021-12-21 17:29:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_free_sge_resources [2021-12-21 17:29:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-21 17:29:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-21 17:29:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-21 17:29:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-21 17:29:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 17:29:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 17:29:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure t4_read_reg [2021-12-21 17:29:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure t4_read_reg [2021-12-21 17:29:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-21 17:29:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-21 17:29:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_enable_vi [2021-12-21 17:29:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_enable_vi [2021-12-21 17:29:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-21 17:29:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-21 17:29:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 17:29:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 17:29:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-12-21 17:29:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-12-21 17:29:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb4vf_poll_controller [2021-12-21 17:29:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb4vf_poll_controller [2021-12-21 17:29:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 17:29:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 17:29:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-21 17:29:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-21 17:29:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 17:29:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 17:29:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure is_eth_imm [2021-12-21 17:29:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure is_eth_imm [2021-12-21 17:29:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 17:29:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 17:29:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 17:29:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 17:29:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 17:29:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 17:29:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure reclaimable [2021-12-21 17:29:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure reclaimable [2021-12-21 17:29:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-21 17:29:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-21 17:29:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-21 17:29:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-21 17:29:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_intr_handler [2021-12-21 17:29:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_intr_handler [2021-12-21 17:29:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-21 17:29:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-21 17:29:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure is_buf_mapped [2021-12-21 17:29:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure is_buf_mapped [2021-12-21 17:29:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-21 17:29:39,266 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-21 17:29:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-21 17:29:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_bits [2021-12-21 17:29:39,266 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_bits [2021-12-21 17:29:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-21 17:29:39,266 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-21 17:29:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-21 17:29:39,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-21 17:29:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure qtimer_val [2021-12-21 17:29:39,266 INFO L138 BoogieDeclarations]: Found implementation of procedure qtimer_val [2021-12-21 17:29:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 17:29:39,266 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 17:29:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-12-21 17:29:39,266 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-12-21 17:29:39,267 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-12-21 17:29:39,267 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-12-21 17:29:39,267 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-21 17:29:39,267 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-21 17:29:39,267 INFO L130 BoogieDeclarations]: Found specification of procedure reg_block_dump [2021-12-21 17:29:39,267 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_block_dump [2021-12-21 17:29:39,267 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-21 17:29:39,268 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-21 17:29:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-21 17:29:39,268 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-21 17:29:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure rspq_next [2021-12-21 17:29:39,268 INFO L138 BoogieDeclarations]: Found implementation of procedure rspq_next [2021-12-21 17:29:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 17:29:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure dump_mbox [2021-12-21 17:29:39,268 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_mbox [2021-12-21 17:29:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure t4_write_reg [2021-12-21 17:29:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure t4_write_reg [2021-12-21 17:29:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 17:29:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-12-21 17:29:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-12-21 17:29:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure txq_stop [2021-12-21 17:29:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure txq_stop [2021-12-21 17:29:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb4vf_pci_shutdown [2021-12-21 17:29:39,270 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb4vf_pci_shutdown [2021-12-21 17:29:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-21 17:29:39,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-21 17:29:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 17:29:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-21 17:29:39,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-21 17:29:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-21 17:29:39,270 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-21 17:29:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-21 17:29:39,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-21 17:29:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 17:29:39,271 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 17:29:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-21 17:29:39,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-21 17:29:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-21 17:29:39,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-21 17:29:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-21 17:29:39,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-21 17:29:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 17:29:39,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 17:29:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure t4_read_reg64 [2021-12-21 17:29:39,272 INFO L138 BoogieDeclarations]: Found implementation of procedure t4_read_reg64 [2021-12-21 17:29:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-21 17:29:39,272 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-21 17:29:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-12-21 17:29:39,273 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-12-21 17:29:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure free_rspq_fl [2021-12-21 17:29:39,273 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rspq_fl [2021-12-21 17:29:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-21 17:29:39,273 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-21 17:29:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 17:29:39,273 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 17:29:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-21 17:29:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-21 17:29:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb4vf_set_rxmode [2021-12-21 17:29:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb4vf_set_rxmode [2021-12-21 17:29:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 17:29:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 17:29:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-12-21 17:29:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-12-21 17:29:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-21 17:29:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-21 17:29:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 17:29:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 17:29:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure get_buf_addr [2021-12-21 17:29:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure get_buf_addr [2021-12-21 17:29:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_wr_mbox [2021-12-21 17:29:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_wr_mbox [2021-12-21 17:29:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 17:29:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure sge_queue_entries [2021-12-21 17:29:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure sge_queue_entries [2021-12-21 17:29:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2021-12-21 17:29:39,316 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release [2021-12-21 17:29:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure get_buf_size [2021-12-21 17:29:39,316 INFO L138 BoogieDeclarations]: Found implementation of procedure get_buf_size [2021-12-21 17:29:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 17:29:39,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 17:29:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure interfaces_get_idx [2021-12-21 17:29:39,316 INFO L138 BoogieDeclarations]: Found implementation of procedure interfaces_get_idx [2021-12-21 17:29:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-21 17:29:39,316 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-21 17:29:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2021-12-21 17:29:39,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2021-12-21 17:29:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-21 17:29:39,316 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-21 17:29:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-21 17:29:39,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-21 17:29:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-21 17:29:39,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-21 17:29:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-21 17:29:39,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-21 17:29:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-21 17:29:39,317 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-21 17:29:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_master [2021-12-21 17:29:39,317 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_master [2021-12-21 17:29:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb4vf_pci_remove [2021-12-21 17:29:39,317 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb4vf_pci_remove [2021-12-21 17:29:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 17:29:39,317 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 17:29:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_sge_alloc_rxq [2021-12-21 17:29:39,318 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_sge_alloc_rxq [2021-12-21 17:29:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 17:29:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-21 17:29:39,318 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-21 17:29:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-21 17:29:39,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-21 17:29:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-21 17:29:39,318 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-21 17:29:40,813 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 17:29:40,817 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 17:29:43,146 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 17:29:58,838 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-21 17:29:58,918 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 17:29:58,940 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 17:29:58,941 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-12-21 17:29:58,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:29:58 BoogieIcfgContainer [2021-12-21 17:29:58,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 17:29:58,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 17:29:58,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 17:29:58,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 17:29:58,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 05:29:31" (1/3) ... [2021-12-21 17:29:58,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590d81bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:29:58, skipping insertion in model container [2021-12-21 17:29:58,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:29:38" (2/3) ... [2021-12-21 17:29:58,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590d81bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:29:58, skipping insertion in model container [2021-12-21 17:29:58,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:29:58" (3/3) ... [2021-12-21 17:29:58,951 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i [2021-12-21 17:29:58,955 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 17:29:58,955 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-21 17:29:59,004 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 17:29:59,009 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 [2021-12-21 17:29:59,009 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-21 17:29:59,079 INFO L276 IsEmpty]: Start isEmpty. Operand has 4063 states, 2873 states have (on average 1.2868082144100244) internal successors, (3697), 2909 states have internal predecessors, (3697), 1018 states have call successors, (1018), 171 states have call predecessors, (1018), 170 states have return successors, (1009), 1004 states have call predecessors, (1009), 1009 states have call successors, (1009) [2021-12-21 17:29:59,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2021-12-21 17:29:59,108 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:29:59,109 INFO L514 BasicCegarLoop]: trace histogram [59, 59, 58, 58, 58, 58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:29:59,110 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:29:59,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:29:59,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1065652243, now seen corresponding path program 1 times [2021-12-21 17:29:59,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:29:59,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346265752] [2021-12-21 17:29:59,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:29:59,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:29:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:30:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:30:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:30:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:30:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:30:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:30:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:30:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:30:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:30:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:30:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:30:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:30:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:30:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:30:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:30:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:30:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:30:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:30:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:30:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:30:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:30:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:30:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:00,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 17:30:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:30:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 17:30:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-21 17:30:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-21 17:30:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-21 17:30:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-21 17:30:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 17:30:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-21 17:30:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-21 17:30:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-21 17:30:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-21 17:30:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-21 17:30:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-21 17:30:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-21 17:30:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-21 17:30:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-21 17:30:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-21 17:30:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-21 17:30:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-21 17:30:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-21 17:30:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-21 17:30:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-21 17:30:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-21 17:30:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-21 17:30:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-21 17:30:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-12-21 17:30:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-12-21 17:30:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-12-21 17:30:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-12-21 17:30:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-12-21 17:30:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2021-12-21 17:30:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2021-12-21 17:30:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2021-12-21 17:30:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2021-12-21 17:30:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2021-12-21 17:30:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2021-12-21 17:30:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2021-12-21 17:30:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:01,980 INFO L134 CoverageAnalysis]: Checked inductivity of 15051 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15051 trivial. 0 not checked. [2021-12-21 17:30:01,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:30:01,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346265752] [2021-12-21 17:30:01,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346265752] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:30:01,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:30:01,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:30:01,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476526312] [2021-12-21 17:30:01,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:30:01,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:30:01,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:30:02,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:30:02,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:30:02,020 INFO L87 Difference]: Start difference. First operand has 4063 states, 2873 states have (on average 1.2868082144100244) internal successors, (3697), 2909 states have internal predecessors, (3697), 1018 states have call successors, (1018), 171 states have call predecessors, (1018), 170 states have return successors, (1009), 1004 states have call predecessors, (1009), 1009 states have call successors, (1009) Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2021-12-21 17:30:12,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:30:12,225 INFO L93 Difference]: Finished difference Result 12296 states and 17567 transitions. [2021-12-21 17:30:12,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:30:12,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 666 [2021-12-21 17:30:12,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:30:12,409 INFO L225 Difference]: With dead ends: 12296 [2021-12-21 17:30:12,411 INFO L226 Difference]: Without dead ends: 8339 [2021-12-21 17:30:12,443 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:30:12,447 INFO L933 BasicCegarLoop]: 6211 mSDtfsCounter, 6722 mSDsluCounter, 7492 mSDsCounter, 0 mSdLazyCounter, 3047 mSolverCounterSat, 2764 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7586 SdHoareTripleChecker+Valid, 13703 SdHoareTripleChecker+Invalid, 5811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2764 IncrementalHoareTripleChecker+Valid, 3047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2021-12-21 17:30:12,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7586 Valid, 13703 Invalid, 5811 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2764 Valid, 3047 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2021-12-21 17:30:12,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8339 states. [2021-12-21 17:30:12,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8339 to 7787. [2021-12-21 17:30:12,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7787 states, 5514 states have (on average 1.2714907508161044) internal successors, (7011), 5582 states have internal predecessors, (7011), 1934 states have call successors, (1934), 338 states have call predecessors, (1934), 337 states have return successors, (1931), 1921 states have call predecessors, (1931), 1931 states have call successors, (1931) [2021-12-21 17:30:13,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7787 states to 7787 states and 10876 transitions. [2021-12-21 17:30:13,042 INFO L78 Accepts]: Start accepts. Automaton has 7787 states and 10876 transitions. Word has length 666 [2021-12-21 17:30:13,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:30:13,045 INFO L470 AbstractCegarLoop]: Abstraction has 7787 states and 10876 transitions. [2021-12-21 17:30:13,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2021-12-21 17:30:13,046 INFO L276 IsEmpty]: Start isEmpty. Operand 7787 states and 10876 transitions. [2021-12-21 17:30:13,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 688 [2021-12-21 17:30:13,073 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:30:13,074 INFO L514 BasicCegarLoop]: trace histogram [59, 59, 58, 58, 58, 58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:30:13,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 17:30:13,075 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:30:13,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:30:13,075 INFO L85 PathProgramCache]: Analyzing trace with hash -135887085, now seen corresponding path program 1 times [2021-12-21 17:30:13,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:30:13,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989277642] [2021-12-21 17:30:13,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:30:13,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:30:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:30:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:30:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:30:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:30:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:30:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:30:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:30:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:30:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:30:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:30:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:30:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:30:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:30:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:30:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:30:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:30:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:30:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:30:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:13,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:30:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:30:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:30:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:30:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 17:30:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:30:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 17:30:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-21 17:30:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-21 17:30:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-21 17:30:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-21 17:30:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 17:30:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-21 17:30:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-21 17:30:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-21 17:30:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-21 17:30:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-21 17:30:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-21 17:30:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-21 17:30:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-21 17:30:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-21 17:30:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-21 17:30:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-21 17:30:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-21 17:30:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-21 17:30:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-21 17:30:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-21 17:30:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-21 17:30:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-21 17:30:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-21 17:30:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-12-21 17:30:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-12-21 17:30:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-12-21 17:30:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-12-21 17:30:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-12-21 17:30:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2021-12-21 17:30:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2021-12-21 17:30:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2021-12-21 17:30:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2021-12-21 17:30:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2021-12-21 17:30:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:14,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2021-12-21 17:30:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:15,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2021-12-21 17:30:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:15,017 INFO L134 CoverageAnalysis]: Checked inductivity of 15051 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15051 trivial. 0 not checked. [2021-12-21 17:30:15,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:30:15,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989277642] [2021-12-21 17:30:15,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989277642] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:30:15,020 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:30:15,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:30:15,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336857310] [2021-12-21 17:30:15,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:30:15,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:30:15,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:30:15,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:30:15,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:30:15,025 INFO L87 Difference]: Start difference. First operand 7787 states and 10876 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61)