./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.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 73868717431db2e2213c78014bba9664fa2a1aea672a285381bce5667bb4d0d4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:53:29,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:53:29,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:53:29,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:53:29,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:53:29,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:53:29,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:53:29,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:53:29,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:53:29,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:53:29,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:53:29,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:53:29,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:53:29,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:53:29,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:53:29,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:53:29,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:53:29,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:53:29,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:53:29,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:53:29,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:53:29,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:53:29,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:53:29,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:53:29,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:53:29,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:53:29,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:53:29,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:53:29,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:53:29,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:53:29,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:53:29,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:53:29,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:53:29,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:53:29,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:53:29,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:53:29,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:53:29,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:53:29,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:53:29,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:53:29,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:53:29,458 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:53:29,479 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:53:29,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:53:29,480 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:53:29,480 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:53:29,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:53:29,481 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:53:29,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:53:29,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:53:29,482 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:53:29,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:53:29,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:53:29,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:53:29,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:53:29,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:53:29,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:53:29,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:53:29,483 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:53:29,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:53:29,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:53:29,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:53:29,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:53:29,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:53:29,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:53:29,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:53:29,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:53:29,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:53:29,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:53:29,485 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:53:29,485 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:53:29,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:53:29,485 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73868717431db2e2213c78014bba9664fa2a1aea672a285381bce5667bb4d0d4 [2021-12-28 04:53:29,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:53:29,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:53:29,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:53:29,797 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:53:29,797 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:53:29,799 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i [2021-12-28 04:53:29,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23d412de3/d46ccdb6a83e48de98fd1dfc4f801414/FLAGa17a8bc03 [2021-12-28 04:53:30,559 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:53:30,560 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i [2021-12-28 04:53:30,614 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23d412de3/d46ccdb6a83e48de98fd1dfc4f801414/FLAGa17a8bc03 [2021-12-28 04:53:30,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23d412de3/d46ccdb6a83e48de98fd1dfc4f801414 [2021-12-28 04:53:30,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:53:30,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:53:30,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:53:30,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:53:30,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:53:30,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:53:30" (1/1) ... [2021-12-28 04:53:30,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a273b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:53:30, skipping insertion in model container [2021-12-28 04:53:30,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:53:30" (1/1) ... [2021-12-28 04:53:30,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:53:31,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:53:33,564 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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421155,421168] [2021-12-28 04:53:33,566 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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421302,421315] [2021-12-28 04:53:33,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421441,421454] [2021-12-28 04:53:33,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421599,421612] [2021-12-28 04:53:33,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:53:33,614 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:53:33,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421155,421168] [2021-12-28 04:53:33,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421302,421315] [2021-12-28 04:53:33,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421441,421454] [2021-12-28 04:53:33,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421599,421612] [2021-12-28 04:53:34,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:53:34,221 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:53:34,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:53:34 WrapperNode [2021-12-28 04:53:34,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:53:34,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:53:34,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:53:34,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:53:34,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:53:34" (1/1) ... [2021-12-28 04:53:34,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:53:34" (1/1) ... [2021-12-28 04:53:34,516 INFO L137 Inliner]: procedures = 535, calls = 2700, calls flagged for inlining = 309, calls inlined = 257, statements flattened = 6025 [2021-12-28 04:53:34,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:53:34,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:53:34,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:53:34,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:53:34,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:53:34" (1/1) ... [2021-12-28 04:53:34,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:53:34" (1/1) ... [2021-12-28 04:53:34,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:53:34" (1/1) ... [2021-12-28 04:53:34,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:53:34" (1/1) ... [2021-12-28 04:53:34,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:53:34" (1/1) ... [2021-12-28 04:53:34,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:53:34" (1/1) ... [2021-12-28 04:53:34,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:53:34" (1/1) ... [2021-12-28 04:53:34,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:53:34,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:53:34,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:53:34,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:53:34,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:53:34" (1/1) ... [2021-12-28 04:53:34,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:53:34,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:53:34,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:53:34,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:53:34,762 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-28 04:53:34,762 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-28 04:53:34,762 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-28 04:53:34,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-28 04:53:34,763 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-28 04:53:34,763 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-28 04:53:34,763 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 04:53:34,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 04:53:34,763 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_mac_processor [2021-12-28 04:53:34,763 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_mac_processor [2021-12-28 04:53:34,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:53:34,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:53:34,763 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32 [2021-12-28 04:53:34,764 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32 [2021-12-28 04:53:34,764 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-28 04:53:34,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-28 04:53:34,764 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_regs_len [2021-12-28 04:53:34,764 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_regs_len [2021-12-28 04:53:34,764 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 04:53:34,764 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 04:53:34,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:53:34,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:53:34,765 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_on [2021-12-28 04:53:34,765 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_on [2021-12-28 04:53:34,765 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_rx_engine [2021-12-28 04:53:34,765 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_rx_engine [2021-12-28 04:53:34,765 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-28 04:53:34,765 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-28 04:53:34,765 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-28 04:53:34,765 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-28 04:53:34,766 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 04:53:34,766 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 04:53:34,766 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 04:53:34,766 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 04:53:34,766 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_link [2021-12-28 04:53:34,766 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_link [2021-12-28 04:53:34,766 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:53:34,766 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:53:34,766 INFO L130 BoogieDeclarations]: Found specification of procedure jme_netpoll [2021-12-28 04:53:34,767 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_netpoll [2021-12-28 04:53:34,767 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2021-12-28 04:53:34,767 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2021-12-28 04:53:34,767 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 04:53:34,767 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 04:53:34,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:53:34,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 04:53:34,767 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 04:53:34,767 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 04:53:34,768 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 04:53:34,768 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 04:53:34,768 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-28 04:53:34,768 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:53:34,768 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:53:34,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:53:34,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:53:34,768 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-28 04:53:34,769 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-28 04:53:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:53:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 04:53:34,769 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 04:53:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure jread32 [2021-12-28 04:53:34,769 INFO L138 BoogieDeclarations]: Found implementation of procedure jread32 [2021-12-28 04:53:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-28 04:53:34,769 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-28 04:53:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2021-12-28 04:53:34,770 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:53:34,770 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:53:34,770 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_rx_pcc [2021-12-28 04:53:34,770 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_rx_pcc [2021-12-28 04:53:34,770 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-28 04:53:34,770 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-28 04:53:34,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-28 04:53:34,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-28 04:53:34,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:53:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_unicastaddr [2021-12-28 04:53:34,771 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_unicastaddr [2021-12-28 04:53:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:53:34,771 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:53:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:53:34,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:53:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:53:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 04:53:34,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 04:53:34,772 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_calibration [2021-12-28 04:53:34,772 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_calibration [2021-12-28 04:53:34,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:53:34,772 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 04:53:34,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 04:53:34,772 INFO L130 BoogieDeclarations]: Found specification of procedure jme_restart_rx_engine [2021-12-28 04:53:34,772 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_restart_rx_engine [2021-12-28 04:53:34,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:53:34,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:53:34,773 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-28 04:53:34,773 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-28 04:53:34,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 04:53:34,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 04:53:34,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 04:53:34,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 04:53:34,773 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2021-12-28 04:53:34,773 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2021-12-28 04:53:34,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-28 04:53:34,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-28 04:53:34,774 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 04:53:34,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 04:53:34,774 INFO L130 BoogieDeclarations]: Found specification of procedure jme_linkstat_from_phy [2021-12-28 04:53:34,774 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_linkstat_from_phy [2021-12-28 04:53:34,774 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_write [2021-12-28 04:53:34,774 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_write [2021-12-28 04:53:34,774 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_on [2021-12-28 04:53:34,774 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_on [2021-12-28 04:53:34,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:53:34,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 04:53:34,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 04:53:34,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 04:53:34,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 04:53:34,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-28 04:53:34,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-28 04:53:34,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-28 04:53:34,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-28 04:53:34,776 INFO L130 BoogieDeclarations]: Found specification of procedure smi_phy_addr [2021-12-28 04:53:34,776 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_phy_addr [2021-12-28 04:53:34,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:53:34,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:53:34,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:53:34,776 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:53:34,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:53:34,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:53:34,776 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-28 04:53:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-28 04:53:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:53:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:53:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:53:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:53:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-28 04:53:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-28 04:53:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-28 04:53:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-28 04:53:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure reg_dbg [2021-12-28 04:53:34,778 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_dbg [2021-12-28 04:53:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:53:34,778 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:53:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 04:53:34,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 04:53:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 04:53:34,778 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 04:53:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 04:53:34,778 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 04:53:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure jme_start_irq [2021-12-28 04:53:34,779 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_start_irq [2021-12-28 04:53:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-28 04:53:34,779 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-28 04:53:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:53:34,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:53:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-28 04:53:34,779 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-28 04:53:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-28 04:53:34,780 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-28 04:53:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fill_tx_map [2021-12-28 04:53:34,780 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fill_tx_map [2021-12-28 04:53:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_tx_resources [2021-12-28 04:53:34,780 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_tx_resources [2021-12-28 04:53:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 04:53:34,780 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 04:53:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure jme_polling_mode [2021-12-28 04:53:34,780 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_polling_mode [2021-12-28 04:53:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:53:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2021-12-28 04:53:34,781 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2021-12-28 04:53:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:53:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:53:34,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:53:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure jme_remove_one [2021-12-28 04:53:34,781 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_remove_one [2021-12-28 04:53:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure jme_powersave_phy [2021-12-28 04:53:34,781 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_powersave_phy [2021-12-28 04:53:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_on [2021-12-28 04:53:34,782 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_on [2021-12-28 04:53:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2021-12-28 04:53:34,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2021-12-28 04:53:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure new_phy_power_ctrl [2021-12-28 04:53:34,782 INFO L138 BoogieDeclarations]: Found implementation of procedure new_phy_power_ctrl [2021-12-28 04:53:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 04:53:34,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 04:53:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-28 04:53:34,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-28 04:53:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure jme_intr_msi [2021-12-28 04:53:34,783 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_intr_msi [2021-12-28 04:53:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32f [2021-12-28 04:53:34,783 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32f [2021-12-28 04:53:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure smi_reg_addr [2021-12-28 04:53:34,783 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_reg_addr [2021-12-28 04:53:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_settings [2021-12-28 04:53:34,783 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_settings [2021-12-28 04:53:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-28 04:53:34,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-28 04:53:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-28 04:53:34,784 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-28 04:53:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:53:34,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:53:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:53:34,784 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:53:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-28 04:53:34,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-28 04:53:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-28 04:53:34,785 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-28 04:53:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure jme_nway_reset [2021-12-28 04:53:34,785 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_nway_reset [2021-12-28 04:53:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 04:53:34,785 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 04:53:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:53:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-28 04:53:34,785 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-28 04:53:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 04:53:34,786 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 04:53:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2021-12-28 04:53:34,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2021-12-28 04:53:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:53:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_rx_resources [2021-12-28 04:53:34,786 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_rx_resources [2021-12-28 04:53:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure jme_resume [2021-12-28 04:53:34,786 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_resume [2021-12-28 04:53:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure jme_tx_timeout [2021-12-28 04:53:34,786 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_tx_timeout [2021-12-28 04:53:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:53:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_tx_engine [2021-12-28 04:53:34,787 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_tx_engine [2021-12-28 04:53:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 04:53:34,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 04:53:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-28 04:53:34,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-28 04:53:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:53:34,787 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:53:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 04:53:34,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 04:53:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_off [2021-12-28 04:53:34,788 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_off [2021-12-28 04:53:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_setEA [2021-12-28 04:53:34,788 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_setEA [2021-12-28 04:53:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-28 04:53:34,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-28 04:53:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_multi [2021-12-28 04:53:34,788 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_multi [2021-12-28 04:53:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-28 04:53:34,789 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-28 04:53:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure mmapio_memcpy [2021-12-28 04:53:34,789 INFO L138 BoogieDeclarations]: Found implementation of procedure mmapio_memcpy [2021-12-28 04:53:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 04:53:34,789 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 04:53:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:53:34,789 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:53:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_read [2021-12-28 04:53:34,790 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_read [2021-12-28 04:53:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure jme_clear_pm [2021-12-28 04:53:34,790 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_clear_pm [2021-12-28 04:53:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2021-12-28 04:53:34,790 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2021-12-28 04:53:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure jme_close [2021-12-28 04:53:34,790 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_close [2021-12-28 04:53:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:53:34,790 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:53:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-28 04:53:34,791 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-28 04:53:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_irq [2021-12-28 04:53:34,791 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_irq [2021-12-28 04:53:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:53:34,791 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:53:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure jme_shutdown [2021-12-28 04:53:34,791 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_shutdown [2021-12-28 04:53:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:53:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_off [2021-12-28 04:53:34,791 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_off [2021-12-28 04:53:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_phy_processor [2021-12-28 04:53:34,792 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_phy_processor [2021-12-28 04:53:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure jme_suspend [2021-12-28 04:53:34,792 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_suspend [2021-12-28 04:53:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:53:34,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:53:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-28 04:53:34,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-28 04:53:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_write [2021-12-28 04:53:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_write [2021-12-28 04:53:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 04:53:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 04:53:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_off [2021-12-28 04:53:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_off [2021-12-28 04:53:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_phyfifo_5level [2021-12-28 04:53:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_phyfifo_5level [2021-12-28 04:53:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-28 04:53:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-28 04:53:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-28 04:53:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-28 04:53:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_eeprom_len [2021-12-28 04:53:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_eeprom_len [2021-12-28 04:53:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2021-12-28 04:53:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2021-12-28 04:53:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 04:53:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 04:53:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_pcc_timer [2021-12-28 04:53:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_pcc_timer [2021-12-28 04:53:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure jme_interrupt_mode [2021-12-28 04:53:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_interrupt_mode [2021-12-28 04:53:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_settings [2021-12-28 04:53:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_settings [2021-12-28 04:53:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_read [2021-12-28 04:53:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_read [2021-12-28 04:53:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-28 04:53:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-28 04:53:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 04:53:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 04:53:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:53:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure jme_open [2021-12-28 04:53:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_open [2021-12-28 04:53:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 04:53:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 04:53:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-12-28 04:53:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-12-28 04:53:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2021-12-28 04:53:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2021-12-28 04:53:35,541 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:53:35,544 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:53:35,784 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:53:38,732 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 04:53:38,818 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:53:38,840 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:53:38,840 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-28 04:53:38,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:53:38 BoogieIcfgContainer [2021-12-28 04:53:38,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:53:38,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:53:38,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:53:38,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:53:38,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:53:30" (1/3) ... [2021-12-28 04:53:38,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535d7fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:53:38, skipping insertion in model container [2021-12-28 04:53:38,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:53:34" (2/3) ... [2021-12-28 04:53:38,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535d7fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:53:38, skipping insertion in model container [2021-12-28 04:53:38,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:53:38" (3/3) ... [2021-12-28 04:53:38,850 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i [2021-12-28 04:53:38,853 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:53:38,853 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-28 04:53:38,897 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:53:38,902 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:53:38,902 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-28 04:53:38,937 INFO L276 IsEmpty]: Start isEmpty. Operand has 2623 states, 1769 states have (on average 1.2679479932165065) internal successors, (2243), 1819 states have internal predecessors, (2243), 707 states have call successors, (707), 150 states have call predecessors, (707), 149 states have return successors, (698), 682 states have call predecessors, (698), 698 states have call successors, (698) [2021-12-28 04:53:38,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-12-28 04:53:38,949 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:53:38,950 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:53:38,950 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:53:38,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:53:38,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1083525696, now seen corresponding path program 1 times [2021-12-28 04:53:38,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:53:38,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906372582] [2021-12-28 04:53:38,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:53:38,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:53:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:53:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:53:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:53:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:53:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:53:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:53:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:53:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:53:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:53:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:53:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:53:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:53:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:53:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:53:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:53:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:53:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:53:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:53:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 04:53:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-28 04:53:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:39,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-12-28 04:53:39,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:53:39,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906372582] [2021-12-28 04:53:39,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906372582] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:53:39,911 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:53:39,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:53:39,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623974151] [2021-12-28 04:53:39,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:53:39,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:53:39,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:53:39,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:53:39,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:53:39,945 INFO L87 Difference]: Start difference. First operand has 2623 states, 1769 states have (on average 1.2679479932165065) internal successors, (2243), 1819 states have internal predecessors, (2243), 707 states have call successors, (707), 150 states have call predecessors, (707), 149 states have return successors, (698), 682 states have call predecessors, (698), 698 states have call successors, (698) Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-28 04:53:43,640 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:53:46,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:53:46,354 INFO L93 Difference]: Finished difference Result 7895 states and 11207 transitions. [2021-12-28 04:53:46,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:53:46,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 225 [2021-12-28 04:53:46,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:53:46,400 INFO L225 Difference]: With dead ends: 7895 [2021-12-28 04:53:46,400 INFO L226 Difference]: Without dead ends: 5299 [2021-12-28 04:53:46,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:53:46,430 INFO L933 BasicCegarLoop]: 3767 mSDtfsCounter, 4559 mSDsluCounter, 3370 mSDsCounter, 0 mSdLazyCounter, 3088 mSolverCounterSat, 2320 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5213 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 5408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2320 IncrementalHoareTripleChecker+Valid, 3088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-12-28 04:53:46,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5213 Valid, 7137 Invalid, 5408 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2320 Valid, 3088 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-12-28 04:53:46,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5299 states. [2021-12-28 04:53:46,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5299 to 5075. [2021-12-28 04:53:46,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5075 states, 3428 states have (on average 1.2613768961493583) internal successors, (4324), 3521 states have internal predecessors, (4324), 1350 states have call successors, (1350), 296 states have call predecessors, (1350), 295 states have return successors, (1347), 1315 states have call predecessors, (1347), 1347 states have call successors, (1347) [2021-12-28 04:53:46,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5075 states to 5075 states and 7021 transitions. [2021-12-28 04:53:46,788 INFO L78 Accepts]: Start accepts. Automaton has 5075 states and 7021 transitions. Word has length 225 [2021-12-28 04:53:46,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:53:46,791 INFO L470 AbstractCegarLoop]: Abstraction has 5075 states and 7021 transitions. [2021-12-28 04:53:46,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-28 04:53:46,791 INFO L276 IsEmpty]: Start isEmpty. Operand 5075 states and 7021 transitions. [2021-12-28 04:53:46,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-12-28 04:53:46,802 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:53:46,802 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:53:46,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:53:46,803 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:53:46,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:53:46,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1849670218, now seen corresponding path program 1 times [2021-12-28 04:53:46,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:53:46,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476468928] [2021-12-28 04:53:46,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:53:46,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:53:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:46,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:53:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:46,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:46,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:53:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:46,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:46,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:53:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:46,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:46,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:53:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:46,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:53:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:53:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:53:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:53:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:53:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:53:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:53:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:53:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:53:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:53:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:53:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:53:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:53:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:53:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 04:53:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-28 04:53:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-28 04:53:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:47,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-12-28 04:53:47,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:53:47,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476468928] [2021-12-28 04:53:47,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476468928] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:53:47,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:53:47,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:53:47,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004389298] [2021-12-28 04:53:47,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:53:47,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:53:47,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:53:47,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:53:47,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:53:47,255 INFO L87 Difference]: Start difference. First operand 5075 states and 7021 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-28 04:53:52,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:53:52,771 INFO L93 Difference]: Finished difference Result 12319 states and 17149 transitions. [2021-12-28 04:53:52,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:53:52,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 247 [2021-12-28 04:53:52,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:53:52,848 INFO L225 Difference]: With dead ends: 12319 [2021-12-28 04:53:52,862 INFO L226 Difference]: Without dead ends: 7285 [2021-12-28 04:53:52,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:53:52,897 INFO L933 BasicCegarLoop]: 3661 mSDtfsCounter, 4115 mSDsluCounter, 3349 mSDsCounter, 0 mSdLazyCounter, 3040 mSolverCounterSat, 2224 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4687 SdHoareTripleChecker+Valid, 7010 SdHoareTripleChecker+Invalid, 5264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2224 IncrementalHoareTripleChecker+Valid, 3040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-12-28 04:53:52,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4687 Valid, 7010 Invalid, 5264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2224 Valid, 3040 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-12-28 04:53:52,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7285 states. [2021-12-28 04:53:53,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7285 to 6947. [2021-12-28 04:53:53,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6947 states, 4702 states have (on average 1.2566992769034453) internal successors, (5909), 4830 states have internal predecessors, (5909), 1820 states have call successors, (1820), 425 states have call predecessors, (1820), 423 states have return successors, (1817), 1768 states have call predecessors, (1817), 1817 states have call successors, (1817) [2021-12-28 04:53:53,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6947 states to 6947 states and 9546 transitions. [2021-12-28 04:53:53,134 INFO L78 Accepts]: Start accepts. Automaton has 6947 states and 9546 transitions. Word has length 247 [2021-12-28 04:53:53,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:53:53,136 INFO L470 AbstractCegarLoop]: Abstraction has 6947 states and 9546 transitions. [2021-12-28 04:53:53,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-28 04:53:53,146 INFO L276 IsEmpty]: Start isEmpty. Operand 6947 states and 9546 transitions. [2021-12-28 04:53:53,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-12-28 04:53:53,151 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:53:53,151 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:53:53,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:53:53,152 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:53:53,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:53:53,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1107087926, now seen corresponding path program 1 times [2021-12-28 04:53:53,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:53:53,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994237582] [2021-12-28 04:53:53,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:53:53,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:53:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:53:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:53:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:53:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:53:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:53:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:53:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:53:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:53:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:53:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:53:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:53:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:53:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:53:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:53:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:53:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:53:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:53:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:53:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 04:53:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-28 04:53:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:53:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:53:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:53:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-28 04:53:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:53:53,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1435 trivial. 0 not checked. [2021-12-28 04:53:53,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:53:53,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994237582] [2021-12-28 04:53:53,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994237582] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:53:53,590 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:53:53,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:53:53,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601275246] [2021-12-28 04:53:53,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:53:53,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:53:53,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:53:53,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:53:53,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:53:53,593 INFO L87 Difference]: Start difference. First operand 6947 states and 9546 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-28 04:53:57,232 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:53:59,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:53:59,753 INFO L93 Difference]: Finished difference Result 18940 states and 26261 transitions. [2021-12-28 04:53:59,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:53:59,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 259 [2021-12-28 04:53:59,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:53:59,820 INFO L225 Difference]: With dead ends: 18940 [2021-12-28 04:53:59,820 INFO L226 Difference]: Without dead ends: 12034 [2021-12-28 04:53:59,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:53:59,852 INFO L933 BasicCegarLoop]: 3738 mSDtfsCounter, 4474 mSDsluCounter, 3361 mSDsCounter, 0 mSdLazyCounter, 3103 mSolverCounterSat, 2305 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5120 SdHoareTripleChecker+Valid, 7099 SdHoareTripleChecker+Invalid, 5409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2305 IncrementalHoareTripleChecker+Valid, 3103 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-12-28 04:53:59,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5120 Valid, 7099 Invalid, 5409 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2305 Valid, 3103 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2021-12-28 04:53:59,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12034 states. [2021-12-28 04:54:00,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12034 to 11472. [2021-12-28 04:54:00,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11472 states, 7764 states have (on average 1.254765584750129) internal successors, (9742), 7986 states have internal predecessors, (9742), 3003 states have call successors, (3003), 706 states have call predecessors, (3003), 703 states have return successors, (3000), 2909 states have call predecessors, (3000), 3000 states have call successors, (3000) [2021-12-28 04:54:00,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11472 states to 11472 states and 15745 transitions. [2021-12-28 04:54:00,308 INFO L78 Accepts]: Start accepts. Automaton has 11472 states and 15745 transitions. Word has length 259 [2021-12-28 04:54:00,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:54:00,309 INFO L470 AbstractCegarLoop]: Abstraction has 11472 states and 15745 transitions. [2021-12-28 04:54:00,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-28 04:54:00,309 INFO L276 IsEmpty]: Start isEmpty. Operand 11472 states and 15745 transitions. [2021-12-28 04:54:00,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-12-28 04:54:00,317 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:54:00,318 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:54:00,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:54:00,318 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:54:00,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:54:00,319 INFO L85 PathProgramCache]: Analyzing trace with hash -778753907, now seen corresponding path program 1 times [2021-12-28 04:54:00,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:54:00,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881326472] [2021-12-28 04:54:00,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:54:00,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:54:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:54:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:54:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:54:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:54:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:54:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:54:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:54:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:54:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:54:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:54:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:54:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:54:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:54:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:54:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:54:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:54:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:54:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:54:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 04:54:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-28 04:54:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-28 04:54:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-28 04:54:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-28 04:54:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-28 04:54:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-28 04:54:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-28 04:54:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:00,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2021-12-28 04:54:00,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:54:00,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881326472] [2021-12-28 04:54:00,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881326472] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:54:00,781 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:54:00,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:54:00,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375014631] [2021-12-28 04:54:00,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:54:00,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:54:00,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:54:00,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:54:00,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:54:00,783 INFO L87 Difference]: Start difference. First operand 11472 states and 15745 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-28 04:54:03,183 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:54:05,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:54:05,622 INFO L93 Difference]: Finished difference Result 12021 states and 16733 transitions. [2021-12-28 04:54:05,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:54:05,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 281 [2021-12-28 04:54:05,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:54:05,667 INFO L225 Difference]: With dead ends: 12021 [2021-12-28 04:54:05,667 INFO L226 Difference]: Without dead ends: 11966 [2021-12-28 04:54:05,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:54:05,675 INFO L933 BasicCegarLoop]: 3315 mSDtfsCounter, 3656 mSDsluCounter, 3364 mSDsCounter, 0 mSdLazyCounter, 2361 mSolverCounterSat, 1602 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4035 SdHoareTripleChecker+Valid, 6679 SdHoareTripleChecker+Invalid, 3963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1602 IncrementalHoareTripleChecker+Valid, 2361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-28 04:54:05,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4035 Valid, 6679 Invalid, 3963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1602 Valid, 2361 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-28 04:54:05,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11966 states. [2021-12-28 04:54:05,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11966 to 11417. [2021-12-28 04:54:05,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11417 states, 7739 states have (on average 1.2540379894043159) internal successors, (9705), 7949 states have internal predecessors, (9705), 2976 states have call successors, (2976), 701 states have call predecessors, (2976), 701 states have return successors, (2976), 2896 states have call predecessors, (2976), 2976 states have call successors, (2976) [2021-12-28 04:54:06,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11417 states to 11417 states and 15657 transitions. [2021-12-28 04:54:06,022 INFO L78 Accepts]: Start accepts. Automaton has 11417 states and 15657 transitions. Word has length 281 [2021-12-28 04:54:06,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:54:06,025 INFO L470 AbstractCegarLoop]: Abstraction has 11417 states and 15657 transitions. [2021-12-28 04:54:06,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-28 04:54:06,025 INFO L276 IsEmpty]: Start isEmpty. Operand 11417 states and 15657 transitions. [2021-12-28 04:54:06,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-12-28 04:54:06,042 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:54:06,042 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:54:06,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 04:54:06,042 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:54:06,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:54:06,043 INFO L85 PathProgramCache]: Analyzing trace with hash 491508987, now seen corresponding path program 1 times [2021-12-28 04:54:06,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:54:06,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019592519] [2021-12-28 04:54:06,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:54:06,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:54:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:54:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:54:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:54:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:54:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:54:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:54:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:54:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:54:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:54:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:54:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:54:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:54:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:54:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:54:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:54:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:54:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:54:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:54:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 04:54:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-28 04:54:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-28 04:54:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-28 04:54:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-28 04:54:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-28 04:54:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-28 04:54:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-28 04:54:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-28 04:54:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-28 04:54:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:06,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2021-12-28 04:54:06,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:54:06,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019592519] [2021-12-28 04:54:06,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019592519] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:54:06,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:54:06,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:54:06,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873409454] [2021-12-28 04:54:06,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:54:06,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:54:06,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:54:06,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:54:06,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:54:06,434 INFO L87 Difference]: Start difference. First operand 11417 states and 15657 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-28 04:54:11,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:54:11,275 INFO L93 Difference]: Finished difference Result 25805 states and 35719 transitions. [2021-12-28 04:54:11,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:54:11,276 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 311 [2021-12-28 04:54:11,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:54:11,367 INFO L225 Difference]: With dead ends: 25805 [2021-12-28 04:54:11,368 INFO L226 Difference]: Without dead ends: 16493 [2021-12-28 04:54:11,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:54:11,424 INFO L933 BasicCegarLoop]: 5931 mSDtfsCounter, 3223 mSDsluCounter, 4252 mSDsCounter, 0 mSdLazyCounter, 3056 mSolverCounterSat, 1621 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3787 SdHoareTripleChecker+Valid, 10183 SdHoareTripleChecker+Invalid, 4677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1621 IncrementalHoareTripleChecker+Valid, 3056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:54:11,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3787 Valid, 10183 Invalid, 4677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1621 Valid, 3056 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-12-28 04:54:11,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16493 states. [2021-12-28 04:54:11,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16493 to 15722. [2021-12-28 04:54:11,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15722 states, 10661 states have (on average 1.253447143795141) internal successors, (13363), 10951 states have internal predecessors, (13363), 4086 states have call successors, (4086), 974 states have call predecessors, (4086), 974 states have return successors, (4086), 3974 states have call predecessors, (4086), 4086 states have call successors, (4086) [2021-12-28 04:54:12,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15722 states to 15722 states and 21535 transitions. [2021-12-28 04:54:12,053 INFO L78 Accepts]: Start accepts. Automaton has 15722 states and 21535 transitions. Word has length 311 [2021-12-28 04:54:12,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:54:12,054 INFO L470 AbstractCegarLoop]: Abstraction has 15722 states and 21535 transitions. [2021-12-28 04:54:12,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-28 04:54:12,054 INFO L276 IsEmpty]: Start isEmpty. Operand 15722 states and 21535 transitions. [2021-12-28 04:54:12,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-12-28 04:54:12,082 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:54:12,082 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 18, 18, 18, 18, 18, 18, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:54:12,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 04:54:12,083 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:54:12,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:54:12,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1198698956, now seen corresponding path program 1 times [2021-12-28 04:54:12,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:54:12,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64116502] [2021-12-28 04:54:12,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:54:12,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:54:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:54:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:54:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:54:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:54:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:54:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:54:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:54:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:54:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:54:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:54:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:54:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:54:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:54:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:54:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:54:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:54:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:54:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:54:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 04:54:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-28 04:54:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-28 04:54:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-28 04:54:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-28 04:54:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-28 04:54:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-28 04:54:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-28 04:54:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-28 04:54:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-28 04:54:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:54:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:54:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-28 04:54:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:12,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1737 trivial. 0 not checked. [2021-12-28 04:54:12,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:54:12,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64116502] [2021-12-28 04:54:12,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64116502] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:54:12,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:54:12,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:54:12,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949458387] [2021-12-28 04:54:12,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:54:12,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:54:12,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:54:12,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:54:12,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:54:12,554 INFO L87 Difference]: Start difference. First operand 15722 states and 21535 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-28 04:54:17,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:54:17,803 INFO L93 Difference]: Finished difference Result 44117 states and 61043 transitions. [2021-12-28 04:54:17,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:54:17,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 335 [2021-12-28 04:54:17,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:54:18,004 INFO L225 Difference]: With dead ends: 44117 [2021-12-28 04:54:18,004 INFO L226 Difference]: Without dead ends: 28281 [2021-12-28 04:54:18,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:54:18,055 INFO L933 BasicCegarLoop]: 6070 mSDtfsCounter, 3629 mSDsluCounter, 4334 mSDsCounter, 0 mSdLazyCounter, 3084 mSolverCounterSat, 1705 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4275 SdHoareTripleChecker+Valid, 10404 SdHoareTripleChecker+Invalid, 4789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1705 IncrementalHoareTripleChecker+Valid, 3084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-12-28 04:54:18,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4275 Valid, 10404 Invalid, 4789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1705 Valid, 3084 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-12-28 04:54:18,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28281 states. [2021-12-28 04:54:18,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28281 to 26963. [2021-12-28 04:54:18,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26963 states, 18276 states have (on average 1.254541475158678) internal successors, (22928), 18770 states have internal predecessors, (22928), 7016 states have call successors, (7016), 1670 states have call predecessors, (7016), 1670 states have return successors, (7016), 6830 states have call predecessors, (7016), 7016 states have call successors, (7016) [2021-12-28 04:54:19,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26963 states to 26963 states and 36960 transitions. [2021-12-28 04:54:19,056 INFO L78 Accepts]: Start accepts. Automaton has 26963 states and 36960 transitions. Word has length 335 [2021-12-28 04:54:19,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:54:19,057 INFO L470 AbstractCegarLoop]: Abstraction has 26963 states and 36960 transitions. [2021-12-28 04:54:19,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-28 04:54:19,058 INFO L276 IsEmpty]: Start isEmpty. Operand 26963 states and 36960 transitions. [2021-12-28 04:54:19,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-12-28 04:54:19,084 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:54:19,085 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 18, 18, 18, 18, 18, 18, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:54:19,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 04:54:19,085 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:54:19,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:54:19,086 INFO L85 PathProgramCache]: Analyzing trace with hash -2037732618, now seen corresponding path program 1 times [2021-12-28 04:54:19,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:54:19,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436207987] [2021-12-28 04:54:19,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:54:19,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:54:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:54:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:54:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:54:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:54:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:54:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:54:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:54:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:54:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:54:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:54:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:54:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:54:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:54:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:54:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:54:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:54:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:54:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:54:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 04:54:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-28 04:54:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-28 04:54:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-28 04:54:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-28 04:54:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-28 04:54:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-28 04:54:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-28 04:54:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-28 04:54:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-28 04:54:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:54:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:54:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-28 04:54:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:19,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1737 trivial. 0 not checked. [2021-12-28 04:54:19,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:54:19,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436207987] [2021-12-28 04:54:19,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436207987] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:54:19,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:54:19,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:54:19,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429455728] [2021-12-28 04:54:19,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:54:19,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:54:19,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:54:19,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:54:19,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:54:19,773 INFO L87 Difference]: Start difference. First operand 26963 states and 36960 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-28 04:54:25,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:54:25,162 INFO L93 Difference]: Finished difference Result 67142 states and 92859 transitions. [2021-12-28 04:54:25,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:54:25,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 335 [2021-12-28 04:54:25,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:54:25,341 INFO L225 Difference]: With dead ends: 67142 [2021-12-28 04:54:25,342 INFO L226 Difference]: Without dead ends: 42284 [2021-12-28 04:54:25,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:54:25,520 INFO L933 BasicCegarLoop]: 6494 mSDtfsCounter, 3570 mSDsluCounter, 4584 mSDsCounter, 0 mSdLazyCounter, 3096 mSolverCounterSat, 1601 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4216 SdHoareTripleChecker+Valid, 11078 SdHoareTripleChecker+Invalid, 4697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1601 IncrementalHoareTripleChecker+Valid, 3096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-28 04:54:25,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4216 Valid, 11078 Invalid, 4697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1601 Valid, 3096 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-28 04:54:25,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42284 states. [2021-12-28 04:54:26,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42284 to 40308. [2021-12-28 04:54:26,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40308 states, 27330 states have (on average 1.2547383827296013) internal successors, (34292), 28066 states have internal predecessors, (34292), 10480 states have call successors, (10480), 2497 states have call predecessors, (10480), 2497 states have return successors, (10480), 10206 states have call predecessors, (10480), 10480 states have call successors, (10480) [2021-12-28 04:54:26,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40308 states to 40308 states and 55252 transitions. [2021-12-28 04:54:26,938 INFO L78 Accepts]: Start accepts. Automaton has 40308 states and 55252 transitions. Word has length 335 [2021-12-28 04:54:26,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:54:26,939 INFO L470 AbstractCegarLoop]: Abstraction has 40308 states and 55252 transitions. [2021-12-28 04:54:26,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-28 04:54:26,939 INFO L276 IsEmpty]: Start isEmpty. Operand 40308 states and 55252 transitions. [2021-12-28 04:54:26,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2021-12-28 04:54:26,983 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:54:26,984 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 18, 18, 18, 18, 18, 18, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:54:26,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-28 04:54:26,984 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:54:26,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:54:26,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1916828780, now seen corresponding path program 1 times [2021-12-28 04:54:26,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:54:26,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738361866] [2021-12-28 04:54:26,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:54:26,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:54:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:54:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:54:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:54:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:54:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:54:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:54:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:54:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:54:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:54:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:54:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:54:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:54:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:54:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:54:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:54:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:54:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:54:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:54:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 04:54:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-28 04:54:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-28 04:54:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-28 04:54:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-28 04:54:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-28 04:54:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-28 04:54:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-28 04:54:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-12-28 04:54:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-28 04:54:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-28 04:54:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-28 04:54:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-28 04:54:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:54:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:54:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-28 04:54:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:27,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1939 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1911 trivial. 0 not checked. [2021-12-28 04:54:27,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:54:27,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738361866] [2021-12-28 04:54:27,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738361866] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:54:27,670 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:54:27,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:54:27,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488998346] [2021-12-28 04:54:27,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:54:27,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:54:27,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:54:27,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:54:27,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:54:27,672 INFO L87 Difference]: Start difference. First operand 40308 states and 55252 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36)