./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.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 a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 14:44:46,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:44:46,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:44:46,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:44:46,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:44:46,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:44:46,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:44:46,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:44:46,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:44:46,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:44:46,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:44:46,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:44:46,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:44:46,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:44:46,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:44:46,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:44:46,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:44:46,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:44:46,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:44:46,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:44:46,125 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:44:46,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:44:46,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:44:46,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:44:46,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:44:46,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:44:46,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:44:46,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:44:46,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:44:46,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:44:46,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:44:46,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:44:46,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:44:46,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:44:46,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:44:46,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:44:46,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:44:46,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:44:46,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:44:46,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:44:46,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:44:46,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:44:46,150 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 14:44:46,182 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:44:46,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:44:46,183 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:44:46,183 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:44:46,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:44:46,184 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:44:46,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:44:46,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:44:46,185 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:44:46,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:44:46,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 14:44:46,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:44:46,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:44:46,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:44:46,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:44:46,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:44:46,187 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:44:46,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:44:46,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:44:46,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:44:46,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:44:46,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:44:46,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:44:46,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:44:46,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:44:46,190 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 14:44:46,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 14:44:46,191 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:44:46,191 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:44:46,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:44:46,191 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 [2022-07-12 14:44:46,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:44:46,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:44:46,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:44:46,532 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:44:46,533 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:44:46,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2022-07-12 14:44:46,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6369a696/7015bcbfb89b46d49fc53ae9f670660d/FLAG32de4e7fb [2022-07-12 14:44:47,491 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:44:47,492 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2022-07-12 14:44:47,541 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6369a696/7015bcbfb89b46d49fc53ae9f670660d/FLAG32de4e7fb [2022-07-12 14:44:47,581 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6369a696/7015bcbfb89b46d49fc53ae9f670660d [2022-07-12 14:44:47,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:44:47,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:44:47,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:44:47,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:44:47,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:44:47,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:44:47" (1/1) ... [2022-07-12 14:44:47,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c586258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:47, skipping insertion in model container [2022-07-12 14:44:47,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:44:47" (1/1) ... [2022-07-12 14:44:47,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:44:47,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:44:50,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2022-07-12 14:44:50,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2022-07-12 14:44:50,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:44:50,721 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:44:51,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2022-07-12 14:44:51,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2022-07-12 14:44:51,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:44:51,212 INFO L208 MainTranslator]: Completed translation [2022-07-12 14:44:51,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:51 WrapperNode [2022-07-12 14:44:51,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 14:44:51,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 14:44:51,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 14:44:51,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 14:44:51,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:51" (1/1) ... [2022-07-12 14:44:51,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:51" (1/1) ... [2022-07-12 14:44:51,469 INFO L137 Inliner]: procedures = 433, calls = 1883, calls flagged for inlining = 214, calls inlined = 198, statements flattened = 4422 [2022-07-12 14:44:51,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 14:44:51,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 14:44:51,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 14:44:51,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 14:44:51,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:51" (1/1) ... [2022-07-12 14:44:51,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:51" (1/1) ... [2022-07-12 14:44:51,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:51" (1/1) ... [2022-07-12 14:44:51,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:51" (1/1) ... [2022-07-12 14:44:51,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:51" (1/1) ... [2022-07-12 14:44:51,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:51" (1/1) ... [2022-07-12 14:44:51,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:51" (1/1) ... [2022-07-12 14:44:51,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 14:44:51,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 14:44:51,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 14:44:51,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 14:44:51,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:51" (1/1) ... [2022-07-12 14:44:51,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:44:51,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:44:51,784 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) [2022-07-12 14:44:51,807 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 [2022-07-12 14:44:51,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_90 [2022-07-12 14:44:51,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_90 [2022-07-12 14:44:51,828 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2022-07-12 14:44:51,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2022-07-12 14:44:51,828 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-07-12 14:44:51,828 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-07-12 14:44:51,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 14:44:51,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 14:44:51,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 14:44:51,829 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 14:44:51,829 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-12 14:44:51,829 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-12 14:44:51,829 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 14:44:51,829 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 14:44:51,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 14:44:51,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 14:44:51,830 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 14:44:51,830 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 14:44:51,830 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-12 14:44:51,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-12 14:44:51,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 14:44:51,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 14:44:51,831 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 14:44:51,831 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 14:44:51,831 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-12 14:44:51,831 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-12 14:44:51,831 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2022-07-12 14:44:51,831 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2022-07-12 14:44:51,832 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 14:44:51,832 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 14:44:51,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 14:44:51,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 14:44:51,832 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 14:44:51,832 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 14:44:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2022-07-12 14:44:51,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2022-07-12 14:44:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2022-07-12 14:44:51,833 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2022-07-12 14:44:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 14:44:51,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 14:44:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 14:44:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-12 14:44:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-12 14:44:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 14:44:51,835 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 14:44:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 14:44:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2022-07-12 14:44:51,835 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2022-07-12 14:44:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 14:44:51,835 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 14:44:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2022-07-12 14:44:51,836 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2022-07-12 14:44:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 14:44:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 14:44:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 14:44:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 14:44:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-12 14:44:51,838 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-12 14:44:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 14:44:51,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 14:44:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 14:44:51,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 14:44:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 14:44:51,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 14:44:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 14:44:51,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 14:44:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 14:44:51,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 14:44:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 14:44:51,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 14:44:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 14:44:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 14:44:51,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 14:44:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 14:44:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 14:44:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 14:44:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2022-07-12 14:44:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2022-07-12 14:44:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 14:44:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 14:44:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 14:44:51,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 14:44:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 14:44:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 14:44:51,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 14:44:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 14:44:51,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 14:44:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-12 14:44:51,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-12 14:44:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-12 14:44:51,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-12 14:44:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-12 14:44:51,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-12 14:44:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-12 14:44:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-12 14:44:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 14:44:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 14:44:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-12 14:44:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-12 14:44:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 14:44:51,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 14:44:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_102 [2022-07-12 14:44:51,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_102 [2022-07-12 14:44:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2022-07-12 14:44:51,847 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2022-07-12 14:44:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-12 14:44:51,848 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-12 14:44:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 14:44:51,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 14:44:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 14:44:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 14:44:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 14:44:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 14:44:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2022-07-12 14:44:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2022-07-12 14:44:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 14:44:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 14:44:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2022-07-12 14:44:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2022-07-12 14:44:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2022-07-12 14:44:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2022-07-12 14:44:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 14:44:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 14:44:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 14:44:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 14:44:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 14:44:51,862 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 14:44:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-12 14:44:51,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-12 14:44:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 14:44:51,863 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 14:44:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-12 14:44:51,863 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-12 14:44:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 14:44:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2022-07-12 14:44:51,863 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2022-07-12 14:44:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 14:44:51,864 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 14:44:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 14:44:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-12 14:44:51,864 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-12 14:44:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 14:44:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-12 14:44:51,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-12 14:44:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 14:44:51,865 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 14:44:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2022-07-12 14:44:51,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2022-07-12 14:44:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 14:44:51,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 14:44:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2022-07-12 14:44:51,866 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2022-07-12 14:44:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 14:44:51,866 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 14:44:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 14:44:51,866 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 14:44:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_101 [2022-07-12 14:44:51,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_101 [2022-07-12 14:44:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-12 14:44:51,867 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-12 14:44:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2022-07-12 14:44:51,867 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2022-07-12 14:44:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2022-07-12 14:44:51,867 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2022-07-12 14:44:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 14:44:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2022-07-12 14:44:51,868 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2022-07-12 14:44:51,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 14:44:51,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 14:44:51,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 14:44:51,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 14:44:51,868 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-12 14:44:51,868 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-12 14:44:51,869 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-12 14:44:51,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-12 14:44:51,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 14:44:51,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 14:44:51,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 14:44:51,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2022-07-12 14:44:51,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2022-07-12 14:44:52,640 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 14:44:52,643 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 14:44:53,291 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 14:44:55,346 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 14:44:55,390 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 14:44:55,405 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 14:44:55,405 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 14:44:55,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:44:55 BoogieIcfgContainer [2022-07-12 14:44:55,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 14:44:55,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 14:44:55,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 14:44:55,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 14:44:55,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:44:47" (1/3) ... [2022-07-12 14:44:55,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45267f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:44:55, skipping insertion in model container [2022-07-12 14:44:55,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:51" (2/3) ... [2022-07-12 14:44:55,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45267f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:44:55, skipping insertion in model container [2022-07-12 14:44:55,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:44:55" (3/3) ... [2022-07-12 14:44:55,417 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2022-07-12 14:44:55,431 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 14:44:55,431 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 14:44:55,508 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 14:44:55,514 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@54becf95, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@50a2792b [2022-07-12 14:44:55,514 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 14:44:55,523 INFO L276 IsEmpty]: Start isEmpty. Operand has 1651 states, 1179 states have (on average 1.3384223918575064) internal successors, (1578), 1198 states have internal predecessors, (1578), 390 states have call successors, (390), 82 states have call predecessors, (390), 81 states have return successors, (384), 381 states have call predecessors, (384), 384 states have call successors, (384) [2022-07-12 14:44:55,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-07-12 14:44:55,552 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:44:55,553 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 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] [2022-07-12 14:44:55,554 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:44:55,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:44:55,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1124157509, now seen corresponding path program 1 times [2022-07-12 14:44:55,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:44:55,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241610408] [2022-07-12 14:44:55,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:44:55,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:44:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:44:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:44:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:44:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:44:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:44:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:44:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:44:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:44:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 14:44:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 14:44:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 14:44:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 14:44:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-12 14:44:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:44:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:44:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-12 14:44:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 14:44:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-12 14:44:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:56,586 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2022-07-12 14:44:56,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:44:56,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241610408] [2022-07-12 14:44:56,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241610408] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:44:56,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:44:56,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:44:56,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762996554] [2022-07-12 14:44:56,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:44:56,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:44:56,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:44:56,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:44:56,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:44:56,635 INFO L87 Difference]: Start difference. First operand has 1651 states, 1179 states have (on average 1.3384223918575064) internal successors, (1578), 1198 states have internal predecessors, (1578), 390 states have call successors, (390), 82 states have call predecessors, (390), 81 states have return successors, (384), 381 states have call predecessors, (384), 384 states have call successors, (384) Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 4 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2022-07-12 14:45:01,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:01,867 INFO L93 Difference]: Finished difference Result 4879 states and 7091 transitions. [2022-07-12 14:45:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:45:01,873 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 4 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 170 [2022-07-12 14:45:01,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:01,927 INFO L225 Difference]: With dead ends: 4879 [2022-07-12 14:45:01,928 INFO L226 Difference]: Without dead ends: 3172 [2022-07-12 14:45:01,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:45:01,953 INFO L413 NwaCegarLoop]: 2547 mSDtfsCounter, 4208 mSDsluCounter, 2297 mSDsCounter, 0 mSdLazyCounter, 2753 mSolverCounterSat, 2457 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4424 SdHoareTripleChecker+Valid, 4844 SdHoareTripleChecker+Invalid, 5210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2457 IncrementalHoareTripleChecker+Valid, 2753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:01,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4424 Valid, 4844 Invalid, 5210 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2457 Valid, 2753 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-07-12 14:45:01,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3172 states. [2022-07-12 14:45:02,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3172 to 3085. [2022-07-12 14:45:02,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3085 states, 2244 states have (on average 1.2909982174688057) internal successors, (2897), 2283 states have internal predecessors, (2897), 682 states have call successors, (682), 157 states have call predecessors, (682), 158 states have return successors, (692), 672 states have call predecessors, (692), 682 states have call successors, (692) [2022-07-12 14:45:02,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 3085 states and 4271 transitions. [2022-07-12 14:45:02,241 INFO L78 Accepts]: Start accepts. Automaton has 3085 states and 4271 transitions. Word has length 170 [2022-07-12 14:45:02,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:02,244 INFO L495 AbstractCegarLoop]: Abstraction has 3085 states and 4271 transitions. [2022-07-12 14:45:02,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 4 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2022-07-12 14:45:02,244 INFO L276 IsEmpty]: Start isEmpty. Operand 3085 states and 4271 transitions. [2022-07-12 14:45:02,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-07-12 14:45:02,261 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:02,261 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 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] [2022-07-12 14:45:02,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 14:45:02,262 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:02,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:02,263 INFO L85 PathProgramCache]: Analyzing trace with hash 857469462, now seen corresponding path program 1 times [2022-07-12 14:45:02,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:45:02,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487722133] [2022-07-12 14:45:02,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:02,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:45:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:45:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:45:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:45:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:45:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:45:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:45:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:45:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:45:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 14:45:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 14:45:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 14:45:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 14:45:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 14:45:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 14:45:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 14:45:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-12 14:45:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,775 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2022-07-12 14:45:02,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:45:02,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487722133] [2022-07-12 14:45:02,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487722133] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:02,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:02,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 14:45:02,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649109859] [2022-07-12 14:45:02,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:02,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 14:45:02,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:45:02,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 14:45:02,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 14:45:02,781 INFO L87 Difference]: Start difference. First operand 3085 states and 4271 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-12 14:45:05,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:05,890 INFO L93 Difference]: Finished difference Result 8186 states and 11341 transitions. [2022-07-12 14:45:05,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 14:45:05,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 178 [2022-07-12 14:45:05,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:05,927 INFO L225 Difference]: With dead ends: 8186 [2022-07-12 14:45:05,933 INFO L226 Difference]: Without dead ends: 5124 [2022-07-12 14:45:05,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:45:05,951 INFO L413 NwaCegarLoop]: 2246 mSDtfsCounter, 2355 mSDsluCounter, 1918 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 880 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2612 SdHoareTripleChecker+Valid, 4164 SdHoareTripleChecker+Invalid, 2653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 880 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:05,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2612 Valid, 4164 Invalid, 2653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [880 Valid, 1773 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-12 14:45:05,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5124 states. [2022-07-12 14:45:06,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5124 to 4965. [2022-07-12 14:45:06,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4965 states, 3619 states have (on average 1.284885327438519) internal successors, (4650), 3679 states have internal predecessors, (4650), 1081 states have call successors, (1081), 263 states have call predecessors, (1081), 264 states have return successors, (1091), 1068 states have call predecessors, (1091), 1081 states have call successors, (1091) [2022-07-12 14:45:06,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4965 states to 4965 states and 6822 transitions. [2022-07-12 14:45:06,217 INFO L78 Accepts]: Start accepts. Automaton has 4965 states and 6822 transitions. Word has length 178 [2022-07-12 14:45:06,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:06,219 INFO L495 AbstractCegarLoop]: Abstraction has 4965 states and 6822 transitions. [2022-07-12 14:45:06,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-12 14:45:06,220 INFO L276 IsEmpty]: Start isEmpty. Operand 4965 states and 6822 transitions. [2022-07-12 14:45:06,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-12 14:45:06,229 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:06,229 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 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] [2022-07-12 14:45:06,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 14:45:06,230 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:06,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:06,230 INFO L85 PathProgramCache]: Analyzing trace with hash 2125579277, now seen corresponding path program 1 times [2022-07-12 14:45:06,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:45:06,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9624320] [2022-07-12 14:45:06,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:06,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:45:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:45:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:45:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:45:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:45:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:45:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:45:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:45:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:45:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 14:45:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 14:45:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:45:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 14:45:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:45:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:45:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:45:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 14:45:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-12 14:45:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 14:45:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-12 14:45:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 14:45:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:06,663 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-07-12 14:45:06,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:45:06,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9624320] [2022-07-12 14:45:06,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9624320] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:06,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:06,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:45:06,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481907306] [2022-07-12 14:45:06,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:06,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:45:06,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:45:06,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:45:06,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:45:06,667 INFO L87 Difference]: Start difference. First operand 4965 states and 6822 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 4 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2022-07-12 14:45:11,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:11,408 INFO L93 Difference]: Finished difference Result 14290 states and 19604 transitions. [2022-07-12 14:45:11,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:45:11,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 4 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 187 [2022-07-12 14:45:11,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:11,470 INFO L225 Difference]: With dead ends: 14290 [2022-07-12 14:45:11,470 INFO L226 Difference]: Without dead ends: 9348 [2022-07-12 14:45:11,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:45:11,496 INFO L413 NwaCegarLoop]: 2213 mSDtfsCounter, 4301 mSDsluCounter, 2243 mSDsCounter, 0 mSdLazyCounter, 2629 mSolverCounterSat, 2288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4481 SdHoareTripleChecker+Valid, 4456 SdHoareTripleChecker+Invalid, 4917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2288 IncrementalHoareTripleChecker+Valid, 2629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:11,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4481 Valid, 4456 Invalid, 4917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2288 Valid, 2629 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-12 14:45:11,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9348 states. [2022-07-12 14:45:11,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9348 to 9030. [2022-07-12 14:45:11,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9030 states, 6569 states have (on average 1.277363373420612) internal successors, (8391), 6677 states have internal predecessors, (8391), 1952 states have call successors, (1952), 508 states have call predecessors, (1952), 508 states have return successors, (1984), 1920 states have call predecessors, (1984), 1952 states have call successors, (1984) [2022-07-12 14:45:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9030 states to 9030 states and 12327 transitions. [2022-07-12 14:45:11,962 INFO L78 Accepts]: Start accepts. Automaton has 9030 states and 12327 transitions. Word has length 187 [2022-07-12 14:45:11,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:11,964 INFO L495 AbstractCegarLoop]: Abstraction has 9030 states and 12327 transitions. [2022-07-12 14:45:11,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 4 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2022-07-12 14:45:11,966 INFO L276 IsEmpty]: Start isEmpty. Operand 9030 states and 12327 transitions. [2022-07-12 14:45:11,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-07-12 14:45:11,971 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:11,971 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:45:11,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 14:45:11,972 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:11,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:11,972 INFO L85 PathProgramCache]: Analyzing trace with hash 2060848097, now seen corresponding path program 1 times [2022-07-12 14:45:11,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:45:11,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792345075] [2022-07-12 14:45:11,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:11,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:45:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:45:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:45:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:45:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:45:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:45:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:45:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:45:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:45:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 14:45:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 14:45:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 14:45:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:45:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:45:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-12 14:45:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-12 14:45:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:45:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:45:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-12 14:45:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-12 14:45:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-12 14:45:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:12,323 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2022-07-12 14:45:12,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:45:12,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792345075] [2022-07-12 14:45:12,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792345075] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:12,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:12,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:45:12,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678740251] [2022-07-12 14:45:12,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:12,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:45:12,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:45:12,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:45:12,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:45:12,327 INFO L87 Difference]: Start difference. First operand 9030 states and 12327 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 4 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2022-07-12 14:45:16,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:16,923 INFO L93 Difference]: Finished difference Result 27610 states and 37774 transitions. [2022-07-12 14:45:16,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:45:16,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 4 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 193 [2022-07-12 14:45:16,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:17,032 INFO L225 Difference]: With dead ends: 27610 [2022-07-12 14:45:17,033 INFO L226 Difference]: Without dead ends: 18603 [2022-07-12 14:45:17,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:45:17,078 INFO L413 NwaCegarLoop]: 2308 mSDtfsCounter, 4654 mSDsluCounter, 2361 mSDsCounter, 0 mSdLazyCounter, 2753 mSolverCounterSat, 2388 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4893 SdHoareTripleChecker+Valid, 4669 SdHoareTripleChecker+Invalid, 5141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2388 IncrementalHoareTripleChecker+Valid, 2753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:17,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4893 Valid, 4669 Invalid, 5141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2388 Valid, 2753 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-12 14:45:17,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18603 states. [2022-07-12 14:45:17,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18603 to 17959. [2022-07-12 14:45:17,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17959 states, 13055 states have (on average 1.2772883952508618) internal successors, (16675), 13283 states have internal predecessors, (16675), 3887 states have call successors, (3887), 1016 states have call predecessors, (3887), 1016 states have return successors, (3951), 3811 states have call predecessors, (3951), 3887 states have call successors, (3951) [2022-07-12 14:45:17,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17959 states to 17959 states and 24513 transitions. [2022-07-12 14:45:17,926 INFO L78 Accepts]: Start accepts. Automaton has 17959 states and 24513 transitions. Word has length 193 [2022-07-12 14:45:17,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:17,928 INFO L495 AbstractCegarLoop]: Abstraction has 17959 states and 24513 transitions. [2022-07-12 14:45:17,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 4 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2022-07-12 14:45:17,928 INFO L276 IsEmpty]: Start isEmpty. Operand 17959 states and 24513 transitions. [2022-07-12 14:45:17,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-07-12 14:45:17,939 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:17,939 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 9, 9, 9, 3, 3, 3, 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] [2022-07-12 14:45:17,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 14:45:17,940 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:17,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:17,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1241728031, now seen corresponding path program 1 times [2022-07-12 14:45:17,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:45:17,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497753366] [2022-07-12 14:45:17,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:17,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:45:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:45:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:45:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:45:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:45:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:45:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:45:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:45:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:45:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 14:45:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 14:45:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:45:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:45:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 14:45:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 14:45:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 14:45:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-12 14:45:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:45:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:45:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:45:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 14:45:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 14:45:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-12 14:45:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:18,273 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2022-07-12 14:45:18,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:45:18,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497753366] [2022-07-12 14:45:18,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497753366] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:18,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:18,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:45:18,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596692132] [2022-07-12 14:45:18,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:18,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:45:18,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:45:18,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:45:18,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:45:18,276 INFO L87 Difference]: Start difference. First operand 17959 states and 24513 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 4 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-12 14:45:21,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:21,959 INFO L93 Difference]: Finished difference Result 37286 states and 50829 transitions. [2022-07-12 14:45:21,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:45:21,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 4 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 213 [2022-07-12 14:45:21,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:22,056 INFO L225 Difference]: With dead ends: 37286 [2022-07-12 14:45:22,056 INFO L226 Difference]: Without dead ends: 19350 [2022-07-12 14:45:22,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:45:22,121 INFO L413 NwaCegarLoop]: 2168 mSDtfsCounter, 2540 mSDsluCounter, 2207 mSDsCounter, 0 mSdLazyCounter, 2379 mSolverCounterSat, 1533 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2641 SdHoareTripleChecker+Valid, 4375 SdHoareTripleChecker+Invalid, 3912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1533 IncrementalHoareTripleChecker+Valid, 2379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:22,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2641 Valid, 4375 Invalid, 3912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1533 Valid, 2379 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-12 14:45:22,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19350 states. [2022-07-12 14:45:22,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19350 to 18685. [2022-07-12 14:45:22,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18685 states, 13578 states have (on average 1.2730151716011195) internal successors, (17285), 13811 states have internal predecessors, (17285), 4009 states have call successors, (4009), 1097 states have call predecessors, (4009), 1097 states have return successors, (4073), 3933 states have call predecessors, (4073), 4009 states have call successors, (4073) [2022-07-12 14:45:22,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18685 states to 18685 states and 25367 transitions. [2022-07-12 14:45:22,877 INFO L78 Accepts]: Start accepts. Automaton has 18685 states and 25367 transitions. Word has length 213 [2022-07-12 14:45:22,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:22,878 INFO L495 AbstractCegarLoop]: Abstraction has 18685 states and 25367 transitions. [2022-07-12 14:45:22,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 4 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-12 14:45:22,879 INFO L276 IsEmpty]: Start isEmpty. Operand 18685 states and 25367 transitions. [2022-07-12 14:45:22,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-07-12 14:45:22,888 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:22,888 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:45:22,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 14:45:22,889 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:22,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:22,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1568790075, now seen corresponding path program 1 times [2022-07-12 14:45:22,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:45:22,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292736947] [2022-07-12 14:45:22,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:22,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:45:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:45:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:45:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:45:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:45:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:45:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:45:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:45:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:45:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 14:45:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 14:45:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:45:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-12 14:45:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 14:45:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:45:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:45:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 14:45:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-12 14:45:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:45:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 14:45:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 14:45:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 14:45:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-12 14:45:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-12 14:45:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 14:45:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 14:45:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:23,293 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2022-07-12 14:45:23,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:45:23,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292736947] [2022-07-12 14:45:23,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292736947] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:23,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:23,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:45:23,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477789693] [2022-07-12 14:45:23,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:23,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:45:23,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:45:23,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:45:23,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:45:23,297 INFO L87 Difference]: Start difference. First operand 18685 states and 25367 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 4 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2022-07-12 14:45:27,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:27,570 INFO L93 Difference]: Finished difference Result 51743 states and 70615 transitions. [2022-07-12 14:45:27,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:45:27,570 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 4 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 234 [2022-07-12 14:45:27,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:27,695 INFO L225 Difference]: With dead ends: 51743 [2022-07-12 14:45:27,695 INFO L226 Difference]: Without dead ends: 33081 [2022-07-12 14:45:27,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:45:27,749 INFO L413 NwaCegarLoop]: 2180 mSDtfsCounter, 4341 mSDsluCounter, 2195 mSDsCounter, 0 mSdLazyCounter, 2725 mSolverCounterSat, 2343 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4545 SdHoareTripleChecker+Valid, 4375 SdHoareTripleChecker+Invalid, 5068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2343 IncrementalHoareTripleChecker+Valid, 2725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:27,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4545 Valid, 4375 Invalid, 5068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2343 Valid, 2725 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-07-12 14:45:27,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33081 states. [2022-07-12 14:45:28,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33081 to 31905. [2022-07-12 14:45:28,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31905 states, 23118 states have (on average 1.2799982697465178) internal successors, (29591), 23544 states have internal predecessors, (29591), 6876 states have call successors, (6876), 1914 states have call predecessors, (6876), 1910 states have return successors, (7004), 6712 states have call predecessors, (7004), 6876 states have call successors, (7004) [2022-07-12 14:45:28,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31905 states to 31905 states and 43471 transitions. [2022-07-12 14:45:28,986 INFO L78 Accepts]: Start accepts. Automaton has 31905 states and 43471 transitions. Word has length 234 [2022-07-12 14:45:28,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:28,987 INFO L495 AbstractCegarLoop]: Abstraction has 31905 states and 43471 transitions. [2022-07-12 14:45:28,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 4 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2022-07-12 14:45:28,988 INFO L276 IsEmpty]: Start isEmpty. Operand 31905 states and 43471 transitions. [2022-07-12 14:45:28,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-07-12 14:45:28,995 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:28,996 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 9, 9, 9, 5, 5, 5, 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] [2022-07-12 14:45:28,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 14:45:28,996 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:28,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:28,997 INFO L85 PathProgramCache]: Analyzing trace with hash -249330732, now seen corresponding path program 1 times [2022-07-12 14:45:28,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:45:28,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689803736] [2022-07-12 14:45:28,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:28,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:45:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:45:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:45:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:45:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:45:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:45:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:45:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:45:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:45:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 14:45:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 14:45:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 14:45:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-12 14:45:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:45:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 14:45:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 14:45:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-12 14:45:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 14:45:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-12 14:45:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 14:45:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-12 14:45:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 14:45:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-12 14:45:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-12 14:45:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:29,522 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-07-12 14:45:29,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:45:29,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689803736] [2022-07-12 14:45:29,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689803736] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:29,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:29,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 14:45:29,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497202876] [2022-07-12 14:45:29,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:29,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 14:45:29,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:45:29,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 14:45:29,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 14:45:29,525 INFO L87 Difference]: Start difference. First operand 31905 states and 43471 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-12 14:45:32,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:32,678 INFO L93 Difference]: Finished difference Result 76129 states and 103860 transitions. [2022-07-12 14:45:32,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 14:45:32,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 242 [2022-07-12 14:45:32,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:32,927 INFO L225 Difference]: With dead ends: 76129 [2022-07-12 14:45:32,928 INFO L226 Difference]: Without dead ends: 44303 [2022-07-12 14:45:33,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:45:33,013 INFO L413 NwaCegarLoop]: 2955 mSDtfsCounter, 2198 mSDsluCounter, 2342 mSDsCounter, 0 mSdLazyCounter, 1777 mSolverCounterSat, 756 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2458 SdHoareTripleChecker+Valid, 5297 SdHoareTripleChecker+Invalid, 2533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 756 IncrementalHoareTripleChecker+Valid, 1777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:33,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2458 Valid, 5297 Invalid, 2533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [756 Valid, 1777 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-12 14:45:33,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44303 states. [2022-07-12 14:45:34,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44303 to 42649. [2022-07-12 14:45:34,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42649 states, 30928 states have (on average 1.2764161924469737) internal successors, (39477), 31480 states have internal predecessors, (39477), 9106 states have call successors, (9106), 2618 states have call predecessors, (9106), 2614 states have return successors, (9234), 8906 states have call predecessors, (9234), 9106 states have call successors, (9234) [2022-07-12 14:45:34,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42649 states to 42649 states and 57817 transitions. [2022-07-12 14:45:34,787 INFO L78 Accepts]: Start accepts. Automaton has 42649 states and 57817 transitions. Word has length 242 [2022-07-12 14:45:34,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:34,788 INFO L495 AbstractCegarLoop]: Abstraction has 42649 states and 57817 transitions. [2022-07-12 14:45:34,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-12 14:45:34,789 INFO L276 IsEmpty]: Start isEmpty. Operand 42649 states and 57817 transitions. [2022-07-12 14:45:34,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-12 14:45:34,796 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:34,796 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:45:34,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 14:45:34,796 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:34,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:34,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1305360546, now seen corresponding path program 1 times [2022-07-12 14:45:34,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:45:34,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34198076] [2022-07-12 14:45:34,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:34,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:45:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:34,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:45:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:34,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:34,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:45:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:34,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:34,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:45:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:34,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:34,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:45:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:34,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:34,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:45:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:34,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:34,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:45:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:34,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:34,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:45:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:34,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:34,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:45:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:34,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:34,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 14:45:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:34,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:34,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 14:45:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:35,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 14:45:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:35,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-12 14:45:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:35,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:45:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:35,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 14:45:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:35,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:35,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-12 14:45:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:35,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 14:45:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:35,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-12 14:45:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:35,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 14:45:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:35,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-12 14:45:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:35,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-12 14:45:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:35,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-12 14:45:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:35,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 14:45:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:35,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-12 14:45:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:35,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:45:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:35,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:45:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:35,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-12 14:45:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:35,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-12 14:45:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:35,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-12 14:45:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:35,126 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2022-07-12 14:45:35,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:45:35,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34198076] [2022-07-12 14:45:35,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34198076] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:35,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:35,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:45:35,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459170565] [2022-07-12 14:45:35,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:35,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:45:35,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:45:35,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:45:35,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:45:35,129 INFO L87 Difference]: Start difference. First operand 42649 states and 57817 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-12 14:45:40,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:40,537 INFO L93 Difference]: Finished difference Result 128957 states and 175344 transitions. [2022-07-12 14:45:40,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:45:40,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 269 [2022-07-12 14:45:40,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:40,866 INFO L225 Difference]: With dead ends: 128957 [2022-07-12 14:45:40,867 INFO L226 Difference]: Without dead ends: 86387 [2022-07-12 14:45:40,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:45:40,971 INFO L413 NwaCegarLoop]: 3924 mSDtfsCounter, 3214 mSDsluCounter, 3493 mSDsCounter, 0 mSdLazyCounter, 2913 mSolverCounterSat, 1725 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3444 SdHoareTripleChecker+Valid, 7417 SdHoareTripleChecker+Invalid, 4638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1725 IncrementalHoareTripleChecker+Valid, 2913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:40,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3444 Valid, 7417 Invalid, 4638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1725 Valid, 2913 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-12 14:45:41,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86387 states. [2022-07-12 14:45:43,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86387 to 83057. [2022-07-12 14:45:43,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83057 states, 60346 states have (on average 1.2776820336062042) internal successors, (77103), 61370 states have internal predecessors, (77103), 17626 states have call successors, (17626), 5092 states have call predecessors, (17626), 5084 states have return successors, (17882), 17306 states have call predecessors, (17882), 17626 states have call successors, (17882) [2022-07-12 14:45:43,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83057 states to 83057 states and 112611 transitions. [2022-07-12 14:45:43,777 INFO L78 Accepts]: Start accepts. Automaton has 83057 states and 112611 transitions. Word has length 269 [2022-07-12 14:45:43,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:43,778 INFO L495 AbstractCegarLoop]: Abstraction has 83057 states and 112611 transitions. [2022-07-12 14:45:43,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-12 14:45:43,779 INFO L276 IsEmpty]: Start isEmpty. Operand 83057 states and 112611 transitions. [2022-07-12 14:45:43,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-12 14:45:43,790 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:43,790 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:45:43,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 14:45:43,791 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:43,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:43,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1342243808, now seen corresponding path program 1 times [2022-07-12 14:45:43,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:45:43,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050530632] [2022-07-12 14:45:43,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:43,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:45:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:43,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:45:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:43,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:43,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:45:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:43,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:43,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:45:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:43,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:43,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:45:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:43,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:43,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:45:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:45:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:45:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:45:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 14:45:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 14:45:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 14:45:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-12 14:45:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:45:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 14:45:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-12 14:45:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 14:45:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-12 14:45:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 14:45:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-12 14:45:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-12 14:45:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-12 14:45:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 14:45:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-12 14:45:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:45:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:45:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-12 14:45:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-12 14:45:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-12 14:45:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:44,402 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2022-07-12 14:45:44,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:45:44,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050530632] [2022-07-12 14:45:44,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050530632] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:44,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:44,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:45:44,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440779795] [2022-07-12 14:45:44,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:44,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:45:44,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:45:44,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:45:44,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:45:44,406 INFO L87 Difference]: Start difference. First operand 83057 states and 112611 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-12 14:45:51,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:51,052 INFO L93 Difference]: Finished difference Result 211481 states and 287405 transitions. [2022-07-12 14:45:51,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:45:51,055 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 269 [2022-07-12 14:45:51,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:51,842 INFO L225 Difference]: With dead ends: 211481 [2022-07-12 14:45:51,842 INFO L226 Difference]: Without dead ends: 127982 [2022-07-12 14:45:52,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:45:52,150 INFO L413 NwaCegarLoop]: 2742 mSDtfsCounter, 3990 mSDsluCounter, 2480 mSDsCounter, 0 mSdLazyCounter, 2801 mSolverCounterSat, 2196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4218 SdHoareTripleChecker+Valid, 5222 SdHoareTripleChecker+Invalid, 4997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2196 IncrementalHoareTripleChecker+Valid, 2801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:52,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4218 Valid, 5222 Invalid, 4997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2196 Valid, 2801 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-12 14:45:52,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127982 states. [2022-07-12 14:45:55,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127982 to 123008. [2022-07-12 14:45:55,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123008 states, 89355 states have (on average 1.2785742264003133) internal successors, (114247), 90852 states have internal predecessors, (114247), 26113 states have call successors, (26113), 7554 states have call predecessors, (26113), 7539 states have return successors, (26493), 25669 states have call predecessors, (26493), 26109 states have call successors, (26493) [2022-07-12 14:45:56,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123008 states to 123008 states and 166853 transitions. [2022-07-12 14:45:56,308 INFO L78 Accepts]: Start accepts. Automaton has 123008 states and 166853 transitions. Word has length 269 [2022-07-12 14:45:56,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:56,309 INFO L495 AbstractCegarLoop]: Abstraction has 123008 states and 166853 transitions. [2022-07-12 14:45:56,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-12 14:45:56,309 INFO L276 IsEmpty]: Start isEmpty. Operand 123008 states and 166853 transitions. [2022-07-12 14:45:56,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-07-12 14:45:56,326 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:56,326 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:45:56,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 14:45:56,327 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:56,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:56,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1940344733, now seen corresponding path program 1 times [2022-07-12 14:45:56,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:45:56,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427686761] [2022-07-12 14:45:56,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:56,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:45:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:45:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:45:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:45:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:45:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:45:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:45:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:45:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:45:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 14:45:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 14:45:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 14:45:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-12 14:45:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:45:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 14:45:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-12 14:45:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 14:45:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:45:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:45:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-12 14:45:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-12 14:45:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-12 14:45:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-12 14:45:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 14:45:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-12 14:45:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 14:45:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-12 14:45:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:45:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:45:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:45:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:45:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:56,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-12 14:45:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:57,001 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2022-07-12 14:45:57,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:45:57,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427686761] [2022-07-12 14:45:57,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427686761] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:57,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:57,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:45:57,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348008032] [2022-07-12 14:45:57,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:57,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:45:57,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:45:57,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:45:57,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:45:57,004 INFO L87 Difference]: Start difference. First operand 123008 states and 166853 transitions. Second operand has 5 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 4 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2022-07-12 14:46:04,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:46:04,735 INFO L93 Difference]: Finished difference Result 292835 states and 397950 transitions. [2022-07-12 14:46:04,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:46:04,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 4 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) Word has length 293 [2022-07-12 14:46:04,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:46:05,562 INFO L225 Difference]: With dead ends: 292835 [2022-07-12 14:46:05,562 INFO L226 Difference]: Without dead ends: 169577 [2022-07-12 14:46:06,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:46:06,139 INFO L413 NwaCegarLoop]: 3464 mSDtfsCounter, 3837 mSDsluCounter, 3365 mSDsCounter, 0 mSdLazyCounter, 2854 mSolverCounterSat, 1918 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4065 SdHoareTripleChecker+Valid, 6829 SdHoareTripleChecker+Invalid, 4772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1918 IncrementalHoareTripleChecker+Valid, 2854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-12 14:46:06,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4065 Valid, 6829 Invalid, 4772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1918 Valid, 2854 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-12 14:46:06,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169577 states. [2022-07-12 14:46:10,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169577 to 123008. [2022-07-12 14:46:10,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123008 states, 89355 states have (on average 1.2785630350847743) internal successors, (114246), 90852 states have internal predecessors, (114246), 26113 states have call successors, (26113), 7554 states have call predecessors, (26113), 7539 states have return successors, (26493), 25669 states have call predecessors, (26493), 26109 states have call successors, (26493) [2022-07-12 14:46:11,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123008 states to 123008 states and 166852 transitions. [2022-07-12 14:46:11,136 INFO L78 Accepts]: Start accepts. Automaton has 123008 states and 166852 transitions. Word has length 293 [2022-07-12 14:46:11,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:46:11,137 INFO L495 AbstractCegarLoop]: Abstraction has 123008 states and 166852 transitions. [2022-07-12 14:46:11,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 4 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2022-07-12 14:46:11,137 INFO L276 IsEmpty]: Start isEmpty. Operand 123008 states and 166852 transitions. [2022-07-12 14:46:11,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-07-12 14:46:11,151 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:46:11,151 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:46:11,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 14:46:11,151 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:46:11,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:46:11,152 INFO L85 PathProgramCache]: Analyzing trace with hash 707259621, now seen corresponding path program 1 times [2022-07-12 14:46:11,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:46:11,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792666376] [2022-07-12 14:46:11,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:46:11,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:46:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:46:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:46:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:46:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:46:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:46:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:46:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:46:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:46:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 14:46:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 14:46:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 14:46:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-12 14:46:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:46:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 14:46:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-12 14:46:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 14:46:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:46:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:46:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-12 14:46:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-12 14:46:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-12 14:46:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-12 14:46:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 14:46:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-12 14:46:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 14:46:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-12 14:46:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:46:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:46:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:46:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:46:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-12 14:46:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:12,008 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 764 trivial. 0 not checked. [2022-07-12 14:46:12,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:46:12,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792666376] [2022-07-12 14:46:12,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792666376] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:46:12,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:46:12,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:46:12,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295487431] [2022-07-12 14:46:12,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:46:12,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:46:12,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:46:12,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:46:12,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:46:12,012 INFO L87 Difference]: Start difference. First operand 123008 states and 166852 transitions. Second operand has 6 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29)