./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.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 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:46:15,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:46:15,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:46:15,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:46:15,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:46:15,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:46:15,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:46:15,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:46:15,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:46:15,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:46:15,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:46:15,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:46:15,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:46:15,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:46:15,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:46:15,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:46:15,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:46:15,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:46:15,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:46:15,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:46:15,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:46:15,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:46:15,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:46:15,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:46:15,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:46:15,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:46:15,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:46:15,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:46:15,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:46:15,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:46:15,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:46:15,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:46:15,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:46:15,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:46:15,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:46:15,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:46:15,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:46:15,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:46:15,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:46:15,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:46:15,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:46:15,874 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:46:15,898 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:46:15,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:46:15,898 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:46:15,899 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:46:15,899 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:46:15,899 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:46:15,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:46:15,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:46:15,900 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:46:15,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:46:15,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:46:15,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:46:15,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:46:15,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:46:15,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:46:15,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:46:15,902 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:46:15,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:46:15,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:46:15,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:46:15,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:46:15,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:46:15,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:46:15,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:46:15,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:46:15,904 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:46:15,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:46:15,904 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:46:15,904 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:46:15,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:46:15,905 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:46:15,905 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 [2021-12-22 15:46:16,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:46:16,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:46:16,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:46:16,115 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:46:16,115 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:46:16,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-22 15:46:16,164 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e96e965d/c07c20ca1a5640c49ca7cbd79db7af8b/FLAG1b47d0aa4 [2021-12-22 15:46:16,829 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:46:16,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-22 15:46:16,884 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e96e965d/c07c20ca1a5640c49ca7cbd79db7af8b/FLAG1b47d0aa4 [2021-12-22 15:46:16,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e96e965d/c07c20ca1a5640c49ca7cbd79db7af8b [2021-12-22 15:46:16,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:46:16,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:46:16,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:46:16,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:46:16,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:46:16,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:46:16" (1/1) ... [2021-12-22 15:46:16,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dda25d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:46:16, skipping insertion in model container [2021-12-22 15:46:16,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:46:16" (1/1) ... [2021-12-22 15:46:16,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:46:17,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:46:20,341 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2021-12-22 15:46:20,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2021-12-22 15:46:20,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:46:20,446 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:46:20,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2021-12-22 15:46:20,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2021-12-22 15:46:20,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:46:21,001 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:46:21,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:46:21 WrapperNode [2021-12-22 15:46:21,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:46:21,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:46:21,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:46:21,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:46:21,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:46:21" (1/1) ... [2021-12-22 15:46:21,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:46:21" (1/1) ... [2021-12-22 15:46:21,391 INFO L137 Inliner]: procedures = 667, calls = 4451, calls flagged for inlining = 327, calls inlined = 292, statements flattened = 8509 [2021-12-22 15:46:21,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:46:21,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:46:21,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:46:21,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:46:21,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:46:21" (1/1) ... [2021-12-22 15:46:21,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:46:21" (1/1) ... [2021-12-22 15:46:21,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:46:21" (1/1) ... [2021-12-22 15:46:21,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:46:21" (1/1) ... [2021-12-22 15:46:21,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:46:21" (1/1) ... [2021-12-22 15:46:21,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:46:21" (1/1) ... [2021-12-22 15:46:21,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:46:21" (1/1) ... [2021-12-22 15:46:21,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:46:21,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:46:21,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:46:21,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:46:21,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:46:21" (1/1) ... [2021-12-22 15:46:21,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:46:21,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:46:21,733 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) [2021-12-22 15:46:21,739 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 [2021-12-22 15:46:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-22 15:46:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-22 15:46:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:46:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:46:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-22 15:46:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-22 15:46:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:46:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:46:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2021-12-22 15:46:21,773 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2021-12-22 15:46:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2021-12-22 15:46:21,773 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2021-12-22 15:46:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-22 15:46:21,773 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-22 15:46:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2021-12-22 15:46:21,773 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2021-12-22 15:46:21,774 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2021-12-22 15:46:21,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2021-12-22 15:46:21,774 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-22 15:46:21,774 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-22 15:46:21,774 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2021-12-22 15:46:21,774 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2021-12-22 15:46:21,774 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:46:21,774 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:46:21,775 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:46:21,775 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:46:21,775 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2021-12-22 15:46:21,775 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2021-12-22 15:46:21,775 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2021-12-22 15:46:21,775 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2021-12-22 15:46:21,775 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2021-12-22 15:46:21,775 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2021-12-22 15:46:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:46:21,776 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:46:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2021-12-22 15:46:21,776 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2021-12-22 15:46:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2021-12-22 15:46:21,776 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2021-12-22 15:46:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:46:21,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:46:21,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:46:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:46:21,777 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 15:46:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 15:46:21,777 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:46:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:46:21,777 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2021-12-22 15:46:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2021-12-22 15:46:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2021-12-22 15:46:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2021-12-22 15:46:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:46:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:46:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2021-12-22 15:46:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2021-12-22 15:46:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-22 15:46:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-22 15:46:21,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:46:21,779 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 15:46:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 15:46:21,779 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2021-12-22 15:46:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2021-12-22 15:46:21,779 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-22 15:46:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-22 15:46:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-22 15:46:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-22 15:46:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2021-12-22 15:46:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2021-12-22 15:46:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-12-22 15:46:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2021-12-22 15:46:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2021-12-22 15:46:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:46:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:46:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 15:46:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 15:46:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2021-12-22 15:46:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2021-12-22 15:46:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:46:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2021-12-22 15:46:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2021-12-22 15:46:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2021-12-22 15:46:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2021-12-22 15:46:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:46:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:46:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2021-12-22 15:46:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2021-12-22 15:46:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:46:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:46:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:46:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2021-12-22 15:46:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2021-12-22 15:46:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:46:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:46:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:46:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:46:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:46:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-22 15:46:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-22 15:46:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:46:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:46:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:46:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:46:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2021-12-22 15:46:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2021-12-22 15:46:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2021-12-22 15:46:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2021-12-22 15:46:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:46:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:46:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:46:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:46:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:46:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:46:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2021-12-22 15:46:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2021-12-22 15:46:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2021-12-22 15:46:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2021-12-22 15:46:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:46:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:46:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:46:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:46:21,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:46:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-22 15:46:21,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-12-22 15:46:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-22 15:46:21,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-22 15:46:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-22 15:46:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-22 15:46:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2021-12-22 15:46:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2021-12-22 15:46:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-22 15:46:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-22 15:46:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2021-12-22 15:46:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2021-12-22 15:46:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:46:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-22 15:46:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-22 15:46:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:46:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:46:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:46:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:46:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:46:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 15:46:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2021-12-22 15:46:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2021-12-22 15:46:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2021-12-22 15:46:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2021-12-22 15:46:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2021-12-22 15:46:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2021-12-22 15:46:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:46:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:46:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:46:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:46:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-22 15:46:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-22 15:46:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-22 15:46:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-22 15:46:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2021-12-22 15:46:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2021-12-22 15:46:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2021-12-22 15:46:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2021-12-22 15:46:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2021-12-22 15:46:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2021-12-22 15:46:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2021-12-22 15:46:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2021-12-22 15:46:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2021-12-22 15:46:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2021-12-22 15:46:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-22 15:46:21,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-22 15:46:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-22 15:46:21,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-22 15:46:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-22 15:46:21,793 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-22 15:46:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:46:21,793 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:46:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2021-12-22 15:46:21,794 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2021-12-22 15:46:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:46:21,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:46:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-22 15:46:21,794 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-22 15:46:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2021-12-22 15:46:21,794 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2021-12-22 15:46:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:46:21,795 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:46:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2021-12-22 15:46:21,795 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2021-12-22 15:46:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:46:21,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:46:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-22 15:46:21,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-22 15:46:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-12-22 15:46:21,796 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-12-22 15:46:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:46:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:46:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:46:21,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:46:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-12-22 15:46:21,796 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-12-22 15:46:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:46:21,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:46:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-22 15:46:21,797 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-22 15:46:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 15:46:21,797 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 15:46:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-22 15:46:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2021-12-22 15:46:21,797 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2021-12-22 15:46:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-22 15:46:21,798 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-22 15:46:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-22 15:46:21,798 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-22 15:46:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2021-12-22 15:46:21,798 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2021-12-22 15:46:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:46:21,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:46:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-22 15:46:21,799 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-22 15:46:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2021-12-22 15:46:21,799 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2021-12-22 15:46:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:46:21,799 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:46:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2021-12-22 15:46:21,799 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2021-12-22 15:46:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2021-12-22 15:46:21,800 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2021-12-22 15:46:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-22 15:46:21,800 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-22 15:46:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:46:21,800 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:46:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-22 15:46:21,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-22 15:46:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-22 15:46:21,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-22 15:46:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-22 15:46:21,801 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-22 15:46:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:46:21,801 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:46:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:46:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:46:21,801 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:46:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2021-12-22 15:46:21,802 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2021-12-22 15:46:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2021-12-22 15:46:21,802 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2021-12-22 15:46:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-22 15:46:21,802 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-22 15:46:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2021-12-22 15:46:21,802 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2021-12-22 15:46:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:46:21,803 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:46:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:46:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-12-22 15:46:21,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-12-22 15:46:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_105 [2021-12-22 15:46:21,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_105 [2021-12-22 15:46:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:46:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2021-12-22 15:46:21,804 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2021-12-22 15:46:21,804 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:46:21,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:46:21,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-22 15:46:21,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-22 15:46:21,804 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2021-12-22 15:46:21,804 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2021-12-22 15:46:21,804 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-22 15:46:21,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-22 15:46:21,805 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-22 15:46:21,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-22 15:46:21,805 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:46:21,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:46:21,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-22 15:46:21,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-22 15:46:21,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:46:21,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:46:21,806 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-22 15:46:21,806 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-22 15:46:21,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-12-22 15:46:21,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-12-22 15:46:21,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 15:46:21,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 15:46:21,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-22 15:46:21,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-22 15:46:21,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2021-12-22 15:46:21,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2021-12-22 15:46:21,807 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:46:21,807 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:46:21,807 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:46:21,807 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:46:21,807 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2021-12-22 15:46:21,807 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2021-12-22 15:46:21,808 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:46:21,808 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:46:21,808 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2021-12-22 15:46:21,808 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2021-12-22 15:46:21,808 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:46:21,808 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:46:21,808 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2021-12-22 15:46:21,808 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2021-12-22 15:46:21,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:46:21,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:46:21,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:46:21,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2021-12-22 15:46:21,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2021-12-22 15:46:21,809 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2021-12-22 15:46:21,809 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2021-12-22 15:46:21,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-22 15:46:21,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-22 15:46:21,810 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2021-12-22 15:46:21,810 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2021-12-22 15:46:21,810 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2021-12-22 15:46:21,810 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2021-12-22 15:46:21,810 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2021-12-22 15:46:21,810 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2021-12-22 15:46:21,810 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 15:46:21,810 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 15:46:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2021-12-22 15:46:21,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2021-12-22 15:46:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-22 15:46:21,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-22 15:46:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-22 15:46:21,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-22 15:46:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2021-12-22 15:46:21,811 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2021-12-22 15:46:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2021-12-22 15:46:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2021-12-22 15:46:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2021-12-22 15:46:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2021-12-22 15:46:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2021-12-22 15:46:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2021-12-22 15:46:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2021-12-22 15:46:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2021-12-22 15:46:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-22 15:46:21,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-22 15:46:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-22 15:46:21,813 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-22 15:46:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:46:21,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:46:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-22 15:46:21,813 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-22 15:46:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-22 15:46:21,813 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-22 15:46:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2021-12-22 15:46:21,814 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2021-12-22 15:46:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2021-12-22 15:46:21,814 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2021-12-22 15:46:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-22 15:46:21,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-22 15:46:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 15:46:21,814 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 15:46:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-22 15:46:21,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-22 15:46:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:46:21,815 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:46:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2021-12-22 15:46:21,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2021-12-22 15:46:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:46:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:46:21,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:46:21,816 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-12-22 15:46:21,816 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-12-22 15:46:21,816 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2021-12-22 15:46:21,816 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2021-12-22 15:46:22,592 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:46:22,595 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:46:22,722 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:46:30,471 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:46:30,646 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:46:30,667 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:46:30,667 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-12-22 15:46:30,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:46:30 BoogieIcfgContainer [2021-12-22 15:46:30,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:46:30,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:46:30,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:46:30,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:46:30,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:46:16" (1/3) ... [2021-12-22 15:46:30,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e2b558c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:46:30, skipping insertion in model container [2021-12-22 15:46:30,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:46:21" (2/3) ... [2021-12-22 15:46:30,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e2b558c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:46:30, skipping insertion in model container [2021-12-22 15:46:30,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:46:30" (3/3) ... [2021-12-22 15:46:30,678 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-22 15:46:30,684 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:46:30,685 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:46:30,732 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:46:30,739 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 [2021-12-22 15:46:30,739 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:46:30,792 INFO L276 IsEmpty]: Start isEmpty. Operand has 3125 states, 2081 states have (on average 1.271984622777511) internal successors, (2647), 2125 states have internal predecessors, (2647), 876 states have call successors, (876), 171 states have call predecessors, (876), 170 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) [2021-12-22 15:46:30,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-12-22 15:46:30,810 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:46:30,815 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:46:30,816 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:46:30,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:46:30,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1855749033, now seen corresponding path program 1 times [2021-12-22 15:46:30,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:46:30,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373458090] [2021-12-22 15:46:30,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:46:30,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:46:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:46:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:46:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:46:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:46:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:46:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:46:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:46:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:46:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:46:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:46:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:46:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:46:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:46:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:46:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:46:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:46:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-22 15:46:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-22 15:46:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-22 15:46:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:31,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-22 15:46:31,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:46:31,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373458090] [2021-12-22 15:46:31,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373458090] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:46:31,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:46:31,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:46:31,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385877669] [2021-12-22 15:46:31,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:46:31,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:46:31,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:46:31,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:46:31,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:46:31,845 INFO L87 Difference]: Start difference. First operand has 3125 states, 2081 states have (on average 1.271984622777511) internal successors, (2647), 2125 states have internal predecessors, (2647), 876 states have call successors, (876), 171 states have call predecessors, (876), 170 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-22 15:46:38,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:46:38,555 INFO L93 Difference]: Finished difference Result 8909 states and 12718 transitions. [2021-12-22 15:46:38,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:46:38,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 228 [2021-12-22 15:46:38,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:46:38,615 INFO L225 Difference]: With dead ends: 8909 [2021-12-22 15:46:38,615 INFO L226 Difference]: Without dead ends: 5743 [2021-12-22 15:46:38,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:46:38,643 INFO L933 BasicCegarLoop]: 4269 mSDtfsCounter, 4830 mSDsluCounter, 4391 mSDsCounter, 0 mSdLazyCounter, 3088 mSolverCounterSat, 2769 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5489 SdHoareTripleChecker+Valid, 8660 SdHoareTripleChecker+Invalid, 5857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2769 IncrementalHoareTripleChecker+Valid, 3088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-12-22 15:46:38,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5489 Valid, 8660 Invalid, 5857 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2769 Valid, 3088 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2021-12-22 15:46:38,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5743 states. [2021-12-22 15:46:38,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5743 to 5558. [2021-12-22 15:46:38,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5558 states, 3728 states have (on average 1.2553648068669527) internal successors, (4680), 3797 states have internal predecessors, (4680), 1511 states have call successors, (1511), 318 states have call predecessors, (1511), 318 states have return successors, (1511), 1490 states have call predecessors, (1511), 1511 states have call successors, (1511) [2021-12-22 15:46:38,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5558 states to 5558 states and 7702 transitions. [2021-12-22 15:46:38,940 INFO L78 Accepts]: Start accepts. Automaton has 5558 states and 7702 transitions. Word has length 228 [2021-12-22 15:46:38,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:46:38,943 INFO L470 AbstractCegarLoop]: Abstraction has 5558 states and 7702 transitions. [2021-12-22 15:46:38,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-22 15:46:38,943 INFO L276 IsEmpty]: Start isEmpty. Operand 5558 states and 7702 transitions. [2021-12-22 15:46:38,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-12-22 15:46:38,950 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:46:38,950 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:46:38,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:46:38,951 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:46:38,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:46:38,951 INFO L85 PathProgramCache]: Analyzing trace with hash 865692571, now seen corresponding path program 1 times [2021-12-22 15:46:38,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:46:38,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023608037] [2021-12-22 15:46:38,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:46:38,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:46:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:46:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:46:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:46:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:46:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:46:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:46:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:46:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:46:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:46:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:46:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:46:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:46:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:46:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:46:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:46:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:46:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-22 15:46:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-22 15:46:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-22 15:46:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:39,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-22 15:46:39,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:46:39,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023608037] [2021-12-22 15:46:39,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023608037] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:46:39,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:46:39,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:46:39,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621440882] [2021-12-22 15:46:39,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:46:39,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:46:39,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:46:39,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:46:39,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:46:39,627 INFO L87 Difference]: Start difference. First operand 5558 states and 7702 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-22 15:46:51,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:46:51,253 INFO L93 Difference]: Finished difference Result 21361 states and 29710 transitions. [2021-12-22 15:46:51,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 15:46:51,254 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 229 [2021-12-22 15:46:51,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:46:51,331 INFO L225 Difference]: With dead ends: 21361 [2021-12-22 15:46:51,332 INFO L226 Difference]: Without dead ends: 15840 [2021-12-22 15:46:51,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:46:51,357 INFO L933 BasicCegarLoop]: 5937 mSDtfsCounter, 9403 mSDsluCounter, 9413 mSDsCounter, 0 mSdLazyCounter, 11539 mSolverCounterSat, 4139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10781 SdHoareTripleChecker+Valid, 15350 SdHoareTripleChecker+Invalid, 15678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4139 IncrementalHoareTripleChecker+Valid, 11539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2021-12-22 15:46:51,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10781 Valid, 15350 Invalid, 15678 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4139 Valid, 11539 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2021-12-22 15:46:51,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15840 states. [2021-12-22 15:46:51,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15840 to 15288. [2021-12-22 15:46:51,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15288 states, 10194 states have (on average 1.2509319207376888) internal successors, (12752), 10391 states have internal predecessors, (12752), 4179 states have call successors, (4179), 914 states have call predecessors, (4179), 914 states have return successors, (4179), 4118 states have call predecessors, (4179), 4179 states have call successors, (4179) [2021-12-22 15:46:51,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15288 states to 15288 states and 21110 transitions. [2021-12-22 15:46:51,997 INFO L78 Accepts]: Start accepts. Automaton has 15288 states and 21110 transitions. Word has length 229 [2021-12-22 15:46:51,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:46:51,999 INFO L470 AbstractCegarLoop]: Abstraction has 15288 states and 21110 transitions. [2021-12-22 15:46:51,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-22 15:46:51,999 INFO L276 IsEmpty]: Start isEmpty. Operand 15288 states and 21110 transitions. [2021-12-22 15:46:52,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-12-22 15:46:52,006 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:46:52,006 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 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] [2021-12-22 15:46:52,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:46:52,006 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:46:52,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:46:52,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1185039122, now seen corresponding path program 1 times [2021-12-22 15:46:52,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:46:52,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130264278] [2021-12-22 15:46:52,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:46:52,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:46:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:46:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:46:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:46:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:46:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:46:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:46:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:46:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:46:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:46:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:46:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:46:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:46:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:46:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:46:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:46:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:46:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-22 15:46:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-22 15:46:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:46:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:46:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-22 15:46:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-22 15:46:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:52,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2021-12-22 15:46:52,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:46:52,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130264278] [2021-12-22 15:46:52,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130264278] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:46:52,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:46:52,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:46:52,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041736290] [2021-12-22 15:46:52,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:46:52,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:46:52,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:46:52,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:46:52,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:46:52,601 INFO L87 Difference]: Start difference. First operand 15288 states and 21110 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-22 15:46:58,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:46:58,292 INFO L93 Difference]: Finished difference Result 46043 states and 63816 transitions. [2021-12-22 15:46:58,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:46:58,292 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 256 [2021-12-22 15:46:58,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:46:58,439 INFO L225 Difference]: With dead ends: 46043 [2021-12-22 15:46:58,440 INFO L226 Difference]: Without dead ends: 30792 [2021-12-22 15:46:58,513 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 [2021-12-22 15:46:58,514 INFO L933 BasicCegarLoop]: 5669 mSDtfsCounter, 4691 mSDsluCounter, 4809 mSDsCounter, 0 mSdLazyCounter, 3146 mSolverCounterSat, 2384 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5422 SdHoareTripleChecker+Valid, 10478 SdHoareTripleChecker+Invalid, 5530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2384 IncrementalHoareTripleChecker+Valid, 3146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-22 15:46:58,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5422 Valid, 10478 Invalid, 5530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2384 Valid, 3146 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-12-22 15:46:58,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30792 states. [2021-12-22 15:46:59,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30792 to 29754. [2021-12-22 15:46:59,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29754 states, 19860 states have (on average 1.2496475327291037) internal successors, (24818), 20256 states have internal predecessors, (24818), 8107 states have call successors, (8107), 1786 states have call predecessors, (8107), 1786 states have return successors, (8107), 7982 states have call predecessors, (8107), 8107 states have call successors, (8107) [2021-12-22 15:46:59,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29754 states to 29754 states and 41032 transitions. [2021-12-22 15:46:59,639 INFO L78 Accepts]: Start accepts. Automaton has 29754 states and 41032 transitions. Word has length 256 [2021-12-22 15:46:59,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:46:59,640 INFO L470 AbstractCegarLoop]: Abstraction has 29754 states and 41032 transitions. [2021-12-22 15:46:59,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-22 15:46:59,640 INFO L276 IsEmpty]: Start isEmpty. Operand 29754 states and 41032 transitions. [2021-12-22 15:46:59,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-12-22 15:46:59,651 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:46:59,651 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 16, 16, 16, 16, 16, 16, 3, 3, 3, 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] [2021-12-22 15:46:59,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:46:59,651 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:46:59,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:46:59,652 INFO L85 PathProgramCache]: Analyzing trace with hash -128440568, now seen corresponding path program 1 times [2021-12-22 15:46:59,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:46:59,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974908373] [2021-12-22 15:46:59,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:46:59,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:46:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:59,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:46:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:59,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:59,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:46:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:59,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:59,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:46:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:59,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:59,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:46:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:59,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:59,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:46:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:59,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:59,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:46:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:59,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:59,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:46:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:59,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:46:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:59,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:59,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:46:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:59,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:46:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:46:59,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:47:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:47:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:47:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:47:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:47:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:47:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:47:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-22 15:47:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-22 15:47:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:47:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-22 15:47:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:47:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:47:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-22 15:47:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-22 15:47:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:00,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1191 trivial. 0 not checked. [2021-12-22 15:47:00,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:47:00,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974908373] [2021-12-22 15:47:00,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974908373] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:47:00,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:47:00,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:47:00,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837975748] [2021-12-22 15:47:00,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:47:00,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:47:00,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:47:00,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:47:00,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:47:00,140 INFO L87 Difference]: Start difference. First operand 29754 states and 41032 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-22 15:47:05,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:47:05,172 INFO L93 Difference]: Finished difference Result 62252 states and 86000 transitions. [2021-12-22 15:47:05,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:47:05,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 276 [2021-12-22 15:47:05,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:47:05,307 INFO L225 Difference]: With dead ends: 62252 [2021-12-22 15:47:05,308 INFO L226 Difference]: Without dead ends: 32535 [2021-12-22 15:47:05,386 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:47:05,387 INFO L933 BasicCegarLoop]: 4447 mSDtfsCounter, 3166 mSDsluCounter, 4377 mSDsCounter, 0 mSdLazyCounter, 2663 mSolverCounterSat, 1950 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3637 SdHoareTripleChecker+Valid, 8824 SdHoareTripleChecker+Invalid, 4613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1950 IncrementalHoareTripleChecker+Valid, 2663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:47:05,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3637 Valid, 8824 Invalid, 4613 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1950 Valid, 2663 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-22 15:47:05,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32535 states. [2021-12-22 15:47:06,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32535 to 31471. [2021-12-22 15:47:06,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31471 states, 21031 states have (on average 1.2483952260948123) internal successors, (26255), 21446 states have internal predecessors, (26255), 8524 states have call successors, (8524), 1915 states have call predecessors, (8524), 1915 states have return successors, (8524), 8396 states have call predecessors, (8524), 8524 states have call successors, (8524) [2021-12-22 15:47:06,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31471 states to 31471 states and 43303 transitions. [2021-12-22 15:47:06,485 INFO L78 Accepts]: Start accepts. Automaton has 31471 states and 43303 transitions. Word has length 276 [2021-12-22 15:47:06,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:47:06,486 INFO L470 AbstractCegarLoop]: Abstraction has 31471 states and 43303 transitions. [2021-12-22 15:47:06,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-22 15:47:06,486 INFO L276 IsEmpty]: Start isEmpty. Operand 31471 states and 43303 transitions. [2021-12-22 15:47:06,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-12-22 15:47:06,497 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:47:06,497 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 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] [2021-12-22 15:47:06,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:47:06,498 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:47:06,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:47:06,498 INFO L85 PathProgramCache]: Analyzing trace with hash -597361833, now seen corresponding path program 1 times [2021-12-22 15:47:06,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:47:06,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649839893] [2021-12-22 15:47:06,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:47:06,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:47:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:47:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:47:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:47:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:47:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:47:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:47:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:47:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:47:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:47:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:47:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:47:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:47:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:47:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:47:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:47:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:47:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-22 15:47:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-22 15:47:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-22 15:47:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-22 15:47:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:47:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-22 15:47:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-22 15:47:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:06,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-22 15:47:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:07,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-22 15:47:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:07,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-22 15:47:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:07,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2021-12-22 15:47:07,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:47:07,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649839893] [2021-12-22 15:47:07,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649839893] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:47:07,021 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:47:07,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:47:07,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974527215] [2021-12-22 15:47:07,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:47:07,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:47:07,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:47:07,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:47:07,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:47:07,022 INFO L87 Difference]: Start difference. First operand 31471 states and 43303 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, (33), 3 states have call predecessors, (33), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28)