./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-18 13:08:15,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 13:08:15,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 13:08:15,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 13:08:15,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 13:08:15,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 13:08:15,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 13:08:15,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 13:08:15,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 13:08:15,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 13:08:15,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 13:08:15,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 13:08:15,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 13:08:15,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 13:08:15,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 13:08:15,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 13:08:15,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 13:08:15,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 13:08:15,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 13:08:15,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 13:08:15,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 13:08:15,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 13:08:15,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 13:08:15,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 13:08:15,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 13:08:15,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 13:08:15,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 13:08:15,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 13:08:15,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 13:08:15,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 13:08:15,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 13:08:15,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 13:08:15,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 13:08:15,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 13:08:15,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 13:08:15,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 13:08:15,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 13:08:15,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 13:08:15,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 13:08:15,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 13:08:15,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 13:08:15,889 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 13:08:15,912 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 13:08:15,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 13:08:15,913 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 13:08:15,913 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 13:08:15,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 13:08:15,914 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 13:08:15,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 13:08:15,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 13:08:15,915 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 13:08:15,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 13:08:15,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 13:08:15,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 13:08:15,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 13:08:15,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 13:08:15,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 13:08:15,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 13:08:15,917 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 13:08:15,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 13:08:15,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 13:08:15,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 13:08:15,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 13:08:15,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 13:08:15,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 13:08:15,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 13:08:15,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 13:08:15,918 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 13:08:15,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 13:08:15,918 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 13:08:15,918 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 13:08:15,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 13:08:15,919 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 13:08:15,919 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 [2021-12-18 13:08:16,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 13:08:16,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 13:08:16,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 13:08:16,135 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 13:08:16,135 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 13:08:16,136 INFO L432 ainManager$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 [2021-12-18 13:08:16,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b47d7ab3/919872e365b948f1ad10b974d59cf3ca/FLAG794f3e3de [2021-12-18 13:08:16,881 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 13:08:16,882 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 [2021-12-18 13:08:16,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b47d7ab3/919872e365b948f1ad10b974d59cf3ca/FLAG794f3e3de [2021-12-18 13:08:17,191 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b47d7ab3/919872e365b948f1ad10b974d59cf3ca [2021-12-18 13:08:17,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 13:08:17,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 13:08:17,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 13:08:17,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 13:08:17,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 13:08:17,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:08:17" (1/1) ... [2021-12-18 13:08:17,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e7311e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:08:17, skipping insertion in model container [2021-12-18 13:08:17,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:08:17" (1/1) ... [2021-12-18 13:08:17,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 13:08:17,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 13:08:20,121 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] [2021-12-18 13:08:20,123 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] [2021-12-18 13:08:20,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 13:08:20,183 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 13:08:20,529 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] [2021-12-18 13:08:20,530 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] [2021-12-18 13:08:20,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 13:08:20,750 INFO L208 MainTranslator]: Completed translation [2021-12-18 13:08:20,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:08:20 WrapperNode [2021-12-18 13:08:20,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 13:08:20,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 13:08:20,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 13:08:20,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 13:08:20,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:08:20" (1/1) ... [2021-12-18 13:08:20,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:08:20" (1/1) ... [2021-12-18 13:08:21,172 INFO L137 Inliner]: procedures = 667, calls = 4451, calls flagged for inlining = 327, calls inlined = 292, statements flattened = 8509 [2021-12-18 13:08:21,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 13:08:21,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 13:08:21,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 13:08:21,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 13:08:21,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:08:20" (1/1) ... [2021-12-18 13:08:21,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:08:20" (1/1) ... [2021-12-18 13:08:21,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:08:20" (1/1) ... [2021-12-18 13:08:21,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:08:20" (1/1) ... [2021-12-18 13:08:21,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:08:20" (1/1) ... [2021-12-18 13:08:21,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:08:20" (1/1) ... [2021-12-18 13:08:21,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:08:20" (1/1) ... [2021-12-18 13:08:21,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 13:08:21,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 13:08:21,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 13:08:21,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 13:08:21,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:08:20" (1/1) ... [2021-12-18 13:08:21,525 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 13:08:21,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 13:08:21,551 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) [2021-12-18 13:08:21,555 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 [2021-12-18 13:08:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-18 13:08:21,577 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-18 13:08:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 13:08:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 13:08:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-18 13:08:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-18 13:08:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 13:08:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 13:08:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2021-12-18 13:08:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2021-12-18 13:08:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2021-12-18 13:08:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2021-12-18 13:08:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-18 13:08:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-18 13:08:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2021-12-18 13:08:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2021-12-18 13:08:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2021-12-18 13:08:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2021-12-18 13:08:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-18 13:08:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-18 13:08:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2021-12-18 13:08:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2021-12-18 13:08:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 13:08:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 13:08:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 13:08:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 13:08:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2021-12-18 13:08:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2021-12-18 13:08:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2021-12-18 13:08:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2021-12-18 13:08:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2021-12-18 13:08:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2021-12-18 13:08:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 13:08:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 13:08:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2021-12-18 13:08:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2021-12-18 13:08:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2021-12-18 13:08:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2021-12-18 13:08:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 13:08:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 13:08:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 13:08:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 13:08:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 13:08:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 13:08:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 13:08:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 13:08:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2021-12-18 13:08:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2021-12-18 13:08:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2021-12-18 13:08:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2021-12-18 13:08:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 13:08:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 13:08:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2021-12-18 13:08:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2021-12-18 13:08:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-18 13:08:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-18 13:08:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 13:08:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-18 13:08:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-18 13:08:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2021-12-18 13:08:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2021-12-18 13:08:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-18 13:08:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-18 13:08:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-18 13:08:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-18 13:08:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2021-12-18 13:08:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2021-12-18 13:08:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-12-18 13:08:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2021-12-18 13:08:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2021-12-18 13:08:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 13:08:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 13:08:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 13:08:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 13:08:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2021-12-18 13:08:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2021-12-18 13:08:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 13:08:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2021-12-18 13:08:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2021-12-18 13:08:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2021-12-18 13:08:21,587 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2021-12-18 13:08:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 13:08:21,587 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 13:08:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2021-12-18 13:08:21,587 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2021-12-18 13:08:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 13:08:21,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 13:08:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 13:08:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2021-12-18 13:08:21,588 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2021-12-18 13:08:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 13:08:21,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 13:08:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 13:08:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 13:08:21,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 13:08:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-18 13:08:21,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-18 13:08:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 13:08:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 13:08:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 13:08:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 13:08:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2021-12-18 13:08:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2021-12-18 13:08:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2021-12-18 13:08:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2021-12-18 13:08:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 13:08:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 13:08:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 13:08:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 13:08:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 13:08:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 13:08:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2021-12-18 13:08:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2021-12-18 13:08:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2021-12-18 13:08:21,591 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2021-12-18 13:08:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 13:08:21,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 13:08:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 13:08:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 13:08:21,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 13:08:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-18 13:08:21,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-12-18 13:08:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-18 13:08:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-18 13:08:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-18 13:08:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-18 13:08:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2021-12-18 13:08:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2021-12-18 13:08:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-18 13:08:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-18 13:08:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2021-12-18 13:08:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2021-12-18 13:08:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 13:08:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-18 13:08:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-18 13:08:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 13:08:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 13:08:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 13:08:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 13:08:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 13:08:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 13:08:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2021-12-18 13:08:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2021-12-18 13:08:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2021-12-18 13:08:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2021-12-18 13:08:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2021-12-18 13:08:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2021-12-18 13:08:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 13:08:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 13:08:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 13:08:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 13:08:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-18 13:08:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-18 13:08:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-18 13:08:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-18 13:08:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2021-12-18 13:08:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2021-12-18 13:08:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2021-12-18 13:08:21,596 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2021-12-18 13:08:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2021-12-18 13:08:21,596 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2021-12-18 13:08:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2021-12-18 13:08:21,596 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2021-12-18 13:08:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2021-12-18 13:08:21,596 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2021-12-18 13:08:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-18 13:08:21,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-18 13:08:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 13:08:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 13:08:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-18 13:08:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-18 13:08:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 13:08:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 13:08:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2021-12-18 13:08:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2021-12-18 13:08:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 13:08:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 13:08:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-18 13:08:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-18 13:08:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2021-12-18 13:08:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2021-12-18 13:08:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 13:08:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 13:08:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2021-12-18 13:08:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2021-12-18 13:08:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 13:08:21,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 13:08:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-18 13:08:21,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-18 13:08:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-12-18 13:08:21,599 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-12-18 13:08:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 13:08:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 13:08:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 13:08:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 13:08:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-12-18 13:08:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-12-18 13:08:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 13:08:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 13:08:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-18 13:08:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-18 13:08:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 13:08:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 13:08:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-18 13:08:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2021-12-18 13:08:21,601 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2021-12-18 13:08:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-18 13:08:21,601 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-18 13:08:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-18 13:08:21,601 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-18 13:08:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2021-12-18 13:08:21,601 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2021-12-18 13:08:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 13:08:21,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 13:08:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-18 13:08:21,602 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-18 13:08:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2021-12-18 13:08:21,602 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2021-12-18 13:08:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 13:08:21,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 13:08:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2021-12-18 13:08:21,602 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2021-12-18 13:08:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2021-12-18 13:08:21,603 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2021-12-18 13:08:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-18 13:08:21,603 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-18 13:08:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 13:08:21,603 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 13:08:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-18 13:08:21,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-18 13:08:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-18 13:08:21,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-18 13:08:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-18 13:08:21,604 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-18 13:08:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 13:08:21,604 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 13:08:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 13:08:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 13:08:21,604 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 13:08:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2021-12-18 13:08:21,604 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2021-12-18 13:08:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2021-12-18 13:08:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2021-12-18 13:08:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-18 13:08:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-18 13:08:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2021-12-18 13:08:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2021-12-18 13:08:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 13:08:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 13:08:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 13:08:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-12-18 13:08:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-12-18 13:08:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_105 [2021-12-18 13:08:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_105 [2021-12-18 13:08:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 13:08:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2021-12-18 13:08:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2021-12-18 13:08:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 13:08:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 13:08:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-18 13:08:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-18 13:08:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2021-12-18 13:08:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2021-12-18 13:08:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-18 13:08:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-18 13:08:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-18 13:08:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-18 13:08:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 13:08:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 13:08:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-18 13:08:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-18 13:08:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 13:08:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 13:08:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 13:08:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 13:08:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-12-18 13:08:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-12-18 13:08:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 13:08:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 13:08:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-18 13:08:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-18 13:08:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2021-12-18 13:08:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2021-12-18 13:08:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 13:08:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 13:08:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 13:08:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 13:08:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2021-12-18 13:08:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2021-12-18 13:08:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 13:08:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 13:08:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2021-12-18 13:08:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2021-12-18 13:08:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 13:08:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 13:08:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2021-12-18 13:08:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2021-12-18 13:08:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 13:08:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 13:08:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 13:08:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2021-12-18 13:08:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2021-12-18 13:08:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2021-12-18 13:08:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2021-12-18 13:08:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 13:08:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 13:08:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2021-12-18 13:08:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2021-12-18 13:08:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2021-12-18 13:08:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2021-12-18 13:08:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2021-12-18 13:08:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2021-12-18 13:08:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 13:08:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 13:08:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2021-12-18 13:08:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2021-12-18 13:08:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-18 13:08:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-18 13:08:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-18 13:08:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-18 13:08:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2021-12-18 13:08:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2021-12-18 13:08:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2021-12-18 13:08:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2021-12-18 13:08:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2021-12-18 13:08:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2021-12-18 13:08:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2021-12-18 13:08:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2021-12-18 13:08:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2021-12-18 13:08:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2021-12-18 13:08:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-18 13:08:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-18 13:08:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-18 13:08:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-18 13:08:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 13:08:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 13:08:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-18 13:08:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-18 13:08:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-18 13:08:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-18 13:08:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2021-12-18 13:08:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2021-12-18 13:08:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2021-12-18 13:08:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2021-12-18 13:08:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-18 13:08:21,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-18 13:08:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 13:08:21,616 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 13:08:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-18 13:08:21,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-18 13:08:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 13:08:21,616 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 13:08:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2021-12-18 13:08:21,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2021-12-18 13:08:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 13:08:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 13:08:21,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 13:08:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-12-18 13:08:21,617 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-12-18 13:08:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2021-12-18 13:08:21,617 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2021-12-18 13:08:22,439 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 13:08:22,442 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 13:08:22,560 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 13:08:29,901 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 13:08:30,032 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 13:08:30,046 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 13:08:30,046 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-12-18 13:08:30,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:08:30 BoogieIcfgContainer [2021-12-18 13:08:30,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 13:08:30,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 13:08:30,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 13:08:30,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 13:08:30,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 01:08:17" (1/3) ... [2021-12-18 13:08:30,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b015d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:08:30, skipping insertion in model container [2021-12-18 13:08:30,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:08:20" (2/3) ... [2021-12-18 13:08:30,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b015d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:08:30, skipping insertion in model container [2021-12-18 13:08:30,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:08:30" (3/3) ... [2021-12-18 13:08:30,059 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-18 13:08:30,063 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 13:08:30,064 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 13:08:30,119 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 13:08:30,128 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 [2021-12-18 13:08:30,128 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 13:08:30,179 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) [2021-12-18 13:08:30,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-12-18 13:08:30,195 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:08:30,196 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] [2021-12-18 13:08:30,196 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:08:30,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:08:30,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1855749033, now seen corresponding path program 1 times [2021-12-18 13:08:30,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:08:30,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454002527] [2021-12-18 13:08:30,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:08:30,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:08:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:30,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:08:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:30,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:30,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:08:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:30,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:30,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:08:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:30,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:30,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:08:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:30,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:30,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:08:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:30,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:30,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:08:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:30,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:30,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:08:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:30,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:30,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:08:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:30,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:31,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:08:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:31,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:31,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:08:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:31,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:31,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:08:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:31,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:31,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:08:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:31,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:31,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:08:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:31,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:31,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:08:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:31,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:31,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:08:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:31,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:31,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:08:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:31,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:31,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 13:08:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:31,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 13:08:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:31,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 13:08:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:31,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-18 13:08:31,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:08:31,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454002527] [2021-12-18 13:08:31,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454002527] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:08:31,289 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:08:31,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:08:31,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925530779] [2021-12-18 13:08:31,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:08:31,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:08:31,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:08:31,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:08:31,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:08:31,317 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) [2021-12-18 13:08:37,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:08:37,248 INFO L93 Difference]: Finished difference Result 8909 states and 12718 transitions. [2021-12-18 13:08:37,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:08:37,250 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 [2021-12-18 13:08:37,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:08:37,303 INFO L225 Difference]: With dead ends: 8909 [2021-12-18 13:08:37,303 INFO L226 Difference]: Without dead ends: 5743 [2021-12-18 13:08:37,324 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 [2021-12-18 13:08:37,327 INFO L933 BasicCegarLoop]: 4269 mSDtfsCounter, 4830 mSDsluCounter, 4390 mSDsCounter, 0 mSdLazyCounter, 3088 mSolverCounterSat, 2769 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5488 SdHoareTripleChecker+Valid, 8659 SdHoareTripleChecker+Invalid, 5857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2769 IncrementalHoareTripleChecker+Valid, 3088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-12-18 13:08:37,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5488 Valid, 8659 Invalid, 5857 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2769 Valid, 3088 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-12-18 13:08:37,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5743 states. [2021-12-18 13:08:37,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5743 to 5558. [2021-12-18 13:08:37,598 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) [2021-12-18 13:08:37,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5558 states to 5558 states and 7702 transitions. [2021-12-18 13:08:37,632 INFO L78 Accepts]: Start accepts. Automaton has 5558 states and 7702 transitions. Word has length 228 [2021-12-18 13:08:37,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:08:37,635 INFO L470 AbstractCegarLoop]: Abstraction has 5558 states and 7702 transitions. [2021-12-18 13:08:37,636 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) [2021-12-18 13:08:37,636 INFO L276 IsEmpty]: Start isEmpty. Operand 5558 states and 7702 transitions. [2021-12-18 13:08:37,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-12-18 13:08:37,644 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:08:37,645 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] [2021-12-18 13:08:37,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 13:08:37,645 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:08:37,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:08:37,646 INFO L85 PathProgramCache]: Analyzing trace with hash 865692571, now seen corresponding path program 1 times [2021-12-18 13:08:37,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:08:37,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654661448] [2021-12-18 13:08:37,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:08:37,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:08:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:37,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:08:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:37,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:37,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:08:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:37,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:37,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:08:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:37,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:08:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:08:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:08:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:08:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:08:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:08:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:08:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:08:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:08:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:08:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:08:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:08:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:08:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 13:08:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 13:08:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-18 13:08:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:38,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-18 13:08:38,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:08:38,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654661448] [2021-12-18 13:08:38,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654661448] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:08:38,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:08:38,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 13:08:38,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889417317] [2021-12-18 13:08:38,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:08:38,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 13:08:38,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:08:38,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 13:08:38,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-18 13:08:38,305 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) [2021-12-18 13:08:49,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:08:49,990 INFO L93 Difference]: Finished difference Result 21361 states and 29710 transitions. [2021-12-18 13:08:49,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 13:08:49,991 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 [2021-12-18 13:08:49,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:08:50,076 INFO L225 Difference]: With dead ends: 21361 [2021-12-18 13:08:50,076 INFO L226 Difference]: Without dead ends: 15840 [2021-12-18 13:08:50,102 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 [2021-12-18 13:08:50,103 INFO L933 BasicCegarLoop]: 5933 mSDtfsCounter, 9403 mSDsluCounter, 9405 mSDsCounter, 0 mSdLazyCounter, 11536 mSolverCounterSat, 4139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10784 SdHoareTripleChecker+Valid, 15338 SdHoareTripleChecker+Invalid, 15675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4139 IncrementalHoareTripleChecker+Valid, 11536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2021-12-18 13:08:50,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10784 Valid, 15338 Invalid, 15675 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4139 Valid, 11536 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2021-12-18 13:08:50,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15840 states. [2021-12-18 13:08:50,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15840 to 15288. [2021-12-18 13:08:50,793 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) [2021-12-18 13:08:50,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15288 states to 15288 states and 21110 transitions. [2021-12-18 13:08:50,869 INFO L78 Accepts]: Start accepts. Automaton has 15288 states and 21110 transitions. Word has length 229 [2021-12-18 13:08:50,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:08:50,870 INFO L470 AbstractCegarLoop]: Abstraction has 15288 states and 21110 transitions. [2021-12-18 13:08:50,871 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) [2021-12-18 13:08:50,871 INFO L276 IsEmpty]: Start isEmpty. Operand 15288 states and 21110 transitions. [2021-12-18 13:08:50,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-12-18 13:08:50,880 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:08:50,880 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] [2021-12-18 13:08:50,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 13:08:50,881 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:08:50,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:08:50,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1185039122, now seen corresponding path program 1 times [2021-12-18 13:08:50,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:08:50,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811568563] [2021-12-18 13:08:50,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:08:50,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:08:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:08:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:08:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:08:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:08:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:08:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:08:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:08:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:08:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:08:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:08:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:08:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:08:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:08:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:08:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:08:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:08:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 13:08:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-18 13:08:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:08:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:08:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 13:08:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 13:08:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:51,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2021-12-18 13:08:51,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:08:51,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811568563] [2021-12-18 13:08:51,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811568563] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:08:51,384 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:08:51,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:08:51,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651716237] [2021-12-18 13:08:51,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:08:51,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:08:51,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:08:51,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:08:51,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:08:51,388 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) [2021-12-18 13:08:56,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:08:56,230 INFO L93 Difference]: Finished difference Result 46043 states and 63816 transitions. [2021-12-18 13:08:56,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:08:56,231 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 [2021-12-18 13:08:56,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:08:56,376 INFO L225 Difference]: With dead ends: 46043 [2021-12-18 13:08:56,376 INFO L226 Difference]: Without dead ends: 30792 [2021-12-18 13:08:56,454 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 [2021-12-18 13:08:56,457 INFO L933 BasicCegarLoop]: 5670 mSDtfsCounter, 4691 mSDsluCounter, 4811 mSDsCounter, 0 mSdLazyCounter, 3146 mSolverCounterSat, 2384 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5422 SdHoareTripleChecker+Valid, 10481 SdHoareTripleChecker+Invalid, 5530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2384 IncrementalHoareTripleChecker+Valid, 3146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-18 13:08:56,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5422 Valid, 10481 Invalid, 5530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2384 Valid, 3146 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-18 13:08:56,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30792 states. [2021-12-18 13:08:57,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30792 to 29754. [2021-12-18 13:08:57,552 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) [2021-12-18 13:08:57,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29754 states to 29754 states and 41032 transitions. [2021-12-18 13:08:57,851 INFO L78 Accepts]: Start accepts. Automaton has 29754 states and 41032 transitions. Word has length 256 [2021-12-18 13:08:57,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:08:57,852 INFO L470 AbstractCegarLoop]: Abstraction has 29754 states and 41032 transitions. [2021-12-18 13:08:57,852 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) [2021-12-18 13:08:57,852 INFO L276 IsEmpty]: Start isEmpty. Operand 29754 states and 41032 transitions. [2021-12-18 13:08:57,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-12-18 13:08:57,861 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:08:57,861 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] [2021-12-18 13:08:57,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 13:08:57,862 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:08:57,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:08:57,862 INFO L85 PathProgramCache]: Analyzing trace with hash -128440568, now seen corresponding path program 1 times [2021-12-18 13:08:57,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:08:57,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230004660] [2021-12-18 13:08:57,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:08:57,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:08:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:08:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:08:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:08:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:08:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:08:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:08:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:08:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:08:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:08:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:08:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:08:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:08:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:08:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:08:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:08:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:08:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 13:08:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 13:08:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:08:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-18 13:08:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:08:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:08:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-18 13:08:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 13:08:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:58,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1191 trivial. 0 not checked. [2021-12-18 13:08:58,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:08:58,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230004660] [2021-12-18 13:08:58,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230004660] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:08:58,268 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:08:58,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:08:58,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083229038] [2021-12-18 13:08:58,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:08:58,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:08:58,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:08:58,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:08:58,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:08:58,270 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) [2021-12-18 13:09:02,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:09:02,854 INFO L93 Difference]: Finished difference Result 62252 states and 86000 transitions. [2021-12-18 13:09:02,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:09:02,854 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 [2021-12-18 13:09:02,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:09:03,005 INFO L225 Difference]: With dead ends: 62252 [2021-12-18 13:09:03,006 INFO L226 Difference]: Without dead ends: 32535 [2021-12-18 13:09:03,092 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 [2021-12-18 13:09:03,094 INFO L933 BasicCegarLoop]: 4449 mSDtfsCounter, 3166 mSDsluCounter, 4381 mSDsCounter, 0 mSdLazyCounter, 2663 mSolverCounterSat, 1950 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3637 SdHoareTripleChecker+Valid, 8830 SdHoareTripleChecker+Invalid, 4613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1950 IncrementalHoareTripleChecker+Valid, 2663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-18 13:09:03,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3637 Valid, 8830 Invalid, 4613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1950 Valid, 2663 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-12-18 13:09:03,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32535 states. [2021-12-18 13:09:04,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32535 to 31471. [2021-12-18 13:09:04,313 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) [2021-12-18 13:09:04,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31471 states to 31471 states and 43303 transitions. [2021-12-18 13:09:04,620 INFO L78 Accepts]: Start accepts. Automaton has 31471 states and 43303 transitions. Word has length 276 [2021-12-18 13:09:04,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:09:04,620 INFO L470 AbstractCegarLoop]: Abstraction has 31471 states and 43303 transitions. [2021-12-18 13:09:04,620 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) [2021-12-18 13:09:04,621 INFO L276 IsEmpty]: Start isEmpty. Operand 31471 states and 43303 transitions. [2021-12-18 13:09:04,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-12-18 13:09:04,630 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:09:04,630 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] [2021-12-18 13:09:04,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 13:09:04,630 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:09:04,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:09:04,631 INFO L85 PathProgramCache]: Analyzing trace with hash -597361833, now seen corresponding path program 1 times [2021-12-18 13:09:04,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:09:04,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465150844] [2021-12-18 13:09:04,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:09:04,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:09:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:04,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:09:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:04,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:04,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:09:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:04,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:04,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:09:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:04,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:09:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:09:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:09:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:09:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:09:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:09:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:09:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:09:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:09:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:09:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:09:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:09:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:09:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 13:09:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 13:09:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 13:09:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 13:09:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 13:09:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 13:09:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-18 13:09:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:09:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-18 13:09:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 13:09:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:05,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2021-12-18 13:09:05,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:09:05,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465150844] [2021-12-18 13:09:05,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465150844] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:09:05,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:09:05,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:09:05,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398348956] [2021-12-18 13:09:05,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:09:05,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:09:05,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:09:05,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:09:05,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:09:05,189 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) [2021-12-18 13:09:10,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:09:10,603 INFO L93 Difference]: Finished difference Result 75683 states and 104474 transitions. [2021-12-18 13:09:10,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:09:10,604 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (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) Word has length 292 [2021-12-18 13:09:10,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:09:10,795 INFO L225 Difference]: With dead ends: 75683 [2021-12-18 13:09:10,796 INFO L226 Difference]: Without dead ends: 45837 [2021-12-18 13:09:10,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:09:10,876 INFO L933 BasicCegarLoop]: 5660 mSDtfsCounter, 4228 mSDsluCounter, 4932 mSDsCounter, 0 mSdLazyCounter, 3018 mSolverCounterSat, 2322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4863 SdHoareTripleChecker+Valid, 10592 SdHoareTripleChecker+Invalid, 5340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2322 IncrementalHoareTripleChecker+Valid, 3018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-18 13:09:10,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4863 Valid, 10592 Invalid, 5340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2322 Valid, 3018 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-18 13:09:10,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45837 states. [2021-12-18 13:09:12,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45837 to 44289. [2021-12-18 13:09:12,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44289 states, 29624 states have (on average 1.2470294355927627) internal successors, (36942), 30197 states have internal predecessors, (36942), 11943 states have call successors, (11943), 2721 states have call predecessors, (11943), 2721 states have return successors, (11943), 11766 states have call predecessors, (11943), 11943 states have call successors, (11943) [2021-12-18 13:09:12,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44289 states to 44289 states and 60828 transitions. [2021-12-18 13:09:12,503 INFO L78 Accepts]: Start accepts. Automaton has 44289 states and 60828 transitions. Word has length 292 [2021-12-18 13:09:12,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:09:12,505 INFO L470 AbstractCegarLoop]: Abstraction has 44289 states and 60828 transitions. [2021-12-18 13:09:12,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (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) [2021-12-18 13:09:12,505 INFO L276 IsEmpty]: Start isEmpty. Operand 44289 states and 60828 transitions. [2021-12-18 13:09:12,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-12-18 13:09:12,528 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:09:12,528 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 16, 16, 16, 16, 16, 16, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:09:12,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 13:09:12,528 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:09:12,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:09:12,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1833932343, now seen corresponding path program 1 times [2021-12-18 13:09:12,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:09:12,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512944201] [2021-12-18 13:09:12,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:09:12,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:09:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:12,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:09:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:12,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:12,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:09:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:12,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:12,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:09:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:12,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:12,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:09:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:12,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:12,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:09:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:12,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:12,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:09:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:12,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:12,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:09:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:12,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:09:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:09:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:09:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:09:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:09:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:09:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:09:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:09:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:09:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 13:09:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 13:09:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 13:09:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 13:09:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 13:09:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 13:09:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-18 13:09:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-18 13:09:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-18 13:09:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 13:09:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:09:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:09:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:09:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 13:09:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:13,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2021-12-18 13:09:13,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:09:13,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512944201] [2021-12-18 13:09:13,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512944201] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:09:13,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:09:13,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:09:13,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525309482] [2021-12-18 13:09:13,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:09:13,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:09:13,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:09:13,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:09:13,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:09:13,161 INFO L87 Difference]: Start difference. First operand 44289 states and 60828 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 13:09:19,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:09:19,370 INFO L93 Difference]: Finished difference Result 131849 states and 181857 transitions. [2021-12-18 13:09:19,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:09:19,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 332 [2021-12-18 13:09:19,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:09:19,904 INFO L225 Difference]: With dead ends: 131849 [2021-12-18 13:09:19,904 INFO L226 Difference]: Without dead ends: 89185 [2021-12-18 13:09:20,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:09:20,029 INFO L933 BasicCegarLoop]: 7038 mSDtfsCounter, 4310 mSDsluCounter, 5461 mSDsCounter, 0 mSdLazyCounter, 3126 mSolverCounterSat, 2102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5046 SdHoareTripleChecker+Valid, 12499 SdHoareTripleChecker+Invalid, 5228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2102 IncrementalHoareTripleChecker+Valid, 3126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-18 13:09:20,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5046 Valid, 12499 Invalid, 5228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2102 Valid, 3126 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-18 13:09:20,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89185 states. [2021-12-18 13:09:22,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89185 to 86141. [2021-12-18 13:09:22,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86141 states, 57602 states have (on average 1.2472830804485955) internal successors, (71846), 58699 states have internal predecessors, (71846), 23246 states have call successors, (23246), 5292 states have call predecessors, (23246), 5292 states have return successors, (23246), 22925 states have call predecessors, (23246), 23246 states have call successors, (23246) [2021-12-18 13:09:23,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86141 states to 86141 states and 118338 transitions. [2021-12-18 13:09:23,072 INFO L78 Accepts]: Start accepts. Automaton has 86141 states and 118338 transitions. Word has length 332 [2021-12-18 13:09:23,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:09:23,073 INFO L470 AbstractCegarLoop]: Abstraction has 86141 states and 118338 transitions. [2021-12-18 13:09:23,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 13:09:23,073 INFO L276 IsEmpty]: Start isEmpty. Operand 86141 states and 118338 transitions. [2021-12-18 13:09:23,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-12-18 13:09:23,095 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:09:23,096 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 16, 16, 16, 16, 16, 16, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:09:23,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 13:09:23,096 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:09:23,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:09:23,097 INFO L85 PathProgramCache]: Analyzing trace with hash -859963847, now seen corresponding path program 1 times [2021-12-18 13:09:23,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:09:23,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195768926] [2021-12-18 13:09:23,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:09:23,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:09:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:09:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:09:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:09:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:09:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:09:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:09:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:09:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:09:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:09:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:09:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:09:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:09:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:09:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:09:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:09:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:09:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 13:09:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 13:09:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 13:09:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 13:09:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 13:09:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 13:09:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-18 13:09:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-18 13:09:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-18 13:09:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 13:09:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:09:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:09:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:09:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 13:09:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:23,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2021-12-18 13:09:23,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:09:23,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195768926] [2021-12-18 13:09:23,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195768926] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:09:23,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:09:23,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:09:23,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107087267] [2021-12-18 13:09:23,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:09:23,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:09:23,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:09:23,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:09:23,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:09:23,706 INFO L87 Difference]: Start difference. First operand 86141 states and 118338 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 13:09:31,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:09:31,119 INFO L93 Difference]: Finished difference Result 217073 states and 299285 transitions. [2021-12-18 13:09:31,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:09:31,120 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 332 [2021-12-18 13:09:31,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:09:32,086 INFO L225 Difference]: With dead ends: 217073 [2021-12-18 13:09:32,087 INFO L226 Difference]: Without dead ends: 132431 [2021-12-18 13:09:32,306 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:09:32,308 INFO L933 BasicCegarLoop]: 7565 mSDtfsCounter, 4226 mSDsluCounter, 5749 mSDsCounter, 0 mSdLazyCounter, 3161 mSolverCounterSat, 1968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4960 SdHoareTripleChecker+Valid, 13314 SdHoareTripleChecker+Invalid, 5129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1968 IncrementalHoareTripleChecker+Valid, 3161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-18 13:09:32,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4960 Valid, 13314 Invalid, 5129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1968 Valid, 3161 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-18 13:09:32,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132431 states. [2021-12-18 13:09:36,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132431 to 127885. [2021-12-18 13:09:36,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127885 states, 85472 states have (on average 1.247472856608012) internal successors, (106624), 87093 states have internal predecessors, (106624), 34549 states have call successors, (34549), 7863 states have call predecessors, (34549), 7863 states have return successors, (34549), 34084 states have call predecessors, (34549), 34549 states have call successors, (34549) [2021-12-18 13:09:37,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127885 states to 127885 states and 175722 transitions. [2021-12-18 13:09:37,224 INFO L78 Accepts]: Start accepts. Automaton has 127885 states and 175722 transitions. Word has length 332 [2021-12-18 13:09:37,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:09:37,225 INFO L470 AbstractCegarLoop]: Abstraction has 127885 states and 175722 transitions. [2021-12-18 13:09:37,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 13:09:37,225 INFO L276 IsEmpty]: Start isEmpty. Operand 127885 states and 175722 transitions. [2021-12-18 13:09:37,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-12-18 13:09:37,256 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:09:37,257 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 16, 16, 16, 16, 16, 16, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:09:37,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 13:09:37,257 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:09:37,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:09:37,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1226465502, now seen corresponding path program 1 times [2021-12-18 13:09:37,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:09:37,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713947972] [2021-12-18 13:09:37,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:09:37,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:09:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:09:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:09:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:09:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:09:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:09:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:09:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:09:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:09:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:09:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:09:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:09:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:09:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:09:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:09:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:09:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:09:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 13:09:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 13:09:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 13:09:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 13:09:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 13:09:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 13:09:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-18 13:09:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 13:09:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-18 13:09:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-18 13:09:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 13:09:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 13:09:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 13:09:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:09:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:09:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:09:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 13:09:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 13:09:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:09:37,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2021-12-18 13:09:37,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:09:37,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713947972] [2021-12-18 13:09:37,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713947972] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:09:37,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:09:37,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:09:37,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903708769] [2021-12-18 13:09:37,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:09:37,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:09:37,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:09:37,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:09:37,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:09:37,667 INFO L87 Difference]: Start difference. First operand 127885 states and 175722 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-18 13:09:47,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:09:47,221 INFO L93 Difference]: Finished difference Result 301991 states and 416317 transitions. [2021-12-18 13:09:47,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:09:47,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 356 [2021-12-18 13:09:47,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:09:48,117 INFO L225 Difference]: With dead ends: 301991 [2021-12-18 13:09:48,117 INFO L226 Difference]: Without dead ends: 175677 [2021-12-18 13:09:48,525 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:09:48,526 INFO L933 BasicCegarLoop]: 7566 mSDtfsCounter, 4223 mSDsluCounter, 5748 mSDsCounter, 0 mSdLazyCounter, 3153 mSolverCounterSat, 1965 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4958 SdHoareTripleChecker+Valid, 13314 SdHoareTripleChecker+Invalid, 5118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1965 IncrementalHoareTripleChecker+Valid, 3153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-18 13:09:48,526 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4958 Valid, 13314 Invalid, 5118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1965 Valid, 3153 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-18 13:09:48,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175677 states. [2021-12-18 13:09:53,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175677 to 127885. [2021-12-18 13:09:53,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127885 states, 85472 states have (on average 1.247472856608012) internal successors, (106624), 87093 states have internal predecessors, (106624), 34549 states have call successors, (34549), 7863 states have call predecessors, (34549), 7863 states have return successors, (34549), 34084 states have call predecessors, (34549), 34549 states have call successors, (34549) [2021-12-18 13:09:54,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127885 states to 127885 states and 175722 transitions. [2021-12-18 13:09:54,510 INFO L78 Accepts]: Start accepts. Automaton has 127885 states and 175722 transitions. Word has length 356 [2021-12-18 13:09:54,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:09:54,512 INFO L470 AbstractCegarLoop]: Abstraction has 127885 states and 175722 transitions. [2021-12-18 13:09:54,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-18 13:09:54,513 INFO L276 IsEmpty]: Start isEmpty. Operand 127885 states and 175722 transitions. [2021-12-18 13:09:54,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-12-18 13:09:54,891 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:09:54,892 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 16, 16, 16, 16, 16, 16, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:09:54,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 13:09:54,892 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:09:54,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:09:54,892 INFO L85 PathProgramCache]: Analyzing trace with hash 374605604, now seen corresponding path program 1 times [2021-12-18 13:09:54,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:09:54,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28580504] [2021-12-18 13:09:54,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:09:54,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms