./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-dec-tulip-winbond-840.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.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 3760bd11965082d9ea48923d727f263a9d5646ba9eaff63a7884fbc3852defe0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:54:30,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:54:30,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:54:30,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:54:30,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:54:30,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:54:30,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:54:30,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:54:30,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:54:30,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:54:30,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:54:30,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:54:30,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:54:30,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:54:30,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:54:30,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:54:30,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:54:30,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:54:30,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:54:30,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:54:30,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:54:30,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:54:30,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:54:30,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:54:30,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:54:30,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:54:30,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:54:30,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:54:30,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:54:30,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:54:30,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:54:30,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:54:30,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:54:30,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:54:30,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:54:30,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:54:30,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:54:30,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:54:30,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:54:30,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:54:30,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:54:30,610 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:54:30,626 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:54:30,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:54:30,630 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:54:30,630 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:54:30,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:54:30,631 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:54:30,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:54:30,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:54:30,632 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:54:30,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:54:30,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:54:30,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:54:30,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:54:30,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:54:30,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:54:30,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:54:30,634 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:54:30,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:54:30,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:54:30,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:54:30,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:54:30,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:54:30,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:54:30,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:54:30,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:54:30,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:54:30,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:54:30,635 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:54:30,636 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:54:30,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:54:30,636 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:54:30,636 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3760bd11965082d9ea48923d727f263a9d5646ba9eaff63a7884fbc3852defe0 [2021-12-21 16:54:30,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:54:30,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:54:30,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:54:30,838 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:54:30,839 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:54:30,840 INFO L432 ainManager$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-dec-tulip-winbond-840.cil.i [2021-12-21 16:54:30,892 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b85aa49/e095ada6e6804118be1abcaaabd886fe/FLAGb5fa339c2 [2021-12-21 16:54:31,532 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:54:31,534 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-dec-tulip-winbond-840.cil.i [2021-12-21 16:54:31,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b85aa49/e095ada6e6804118be1abcaaabd886fe/FLAGb5fa339c2 [2021-12-21 16:54:31,906 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b85aa49/e095ada6e6804118be1abcaaabd886fe [2021-12-21 16:54:31,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:54:31,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:54:31,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:54:31,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:54:31,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:54:31,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:54:31" (1/1) ... [2021-12-21 16:54:31,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f18424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:31, skipping insertion in model container [2021-12-21 16:54:31,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:54:31" (1/1) ... [2021-12-21 16:54:31,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:54:32,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:54:33,613 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-dec-tulip-winbond-840.cil.i[328915,328928] [2021-12-21 16:54:33,615 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-dec-tulip-winbond-840.cil.i[329060,329073] [2021-12-21 16:54:33,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:54:33,678 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:54:33,876 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-dec-tulip-winbond-840.cil.i[328915,328928] [2021-12-21 16:54:33,876 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-dec-tulip-winbond-840.cil.i[329060,329073] [2021-12-21 16:54:33,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:54:34,023 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:54:34,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:34 WrapperNode [2021-12-21 16:54:34,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:54:34,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:54:34,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:54:34,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:54:34,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:34" (1/1) ... [2021-12-21 16:54:34,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:34" (1/1) ... [2021-12-21 16:54:34,269 INFO L137 Inliner]: procedures = 434, calls = 2034, calls flagged for inlining = 218, calls inlined = 203, statements flattened = 4923 [2021-12-21 16:54:34,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:54:34,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:54:34,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:54:34,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:54:34,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:34" (1/1) ... [2021-12-21 16:54:34,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:34" (1/1) ... [2021-12-21 16:54:34,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:34" (1/1) ... [2021-12-21 16:54:34,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:34" (1/1) ... [2021-12-21 16:54:34,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:34" (1/1) ... [2021-12-21 16:54:34,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:34" (1/1) ... [2021-12-21 16:54:34,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:34" (1/1) ... [2021-12-21 16:54:34,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:54:34,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:54:34,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:54:34,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:54:34,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:34" (1/1) ... [2021-12-21 16:54:34,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:54:34,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:54:34,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 16:54:34,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 16:54:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-21 16:54:34,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-21 16:54:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:54:34,615 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:54:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-21 16:54:34,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-21 16:54:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-21 16:54:34,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-21 16:54:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 16:54:34,616 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 16:54:34,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:54:34,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:54:34,616 INFO L130 BoogieDeclarations]: Found specification of procedure w840_remove1 [2021-12-21 16:54:34,616 INFO L138 BoogieDeclarations]: Found implementation of procedure w840_remove1 [2021-12-21 16:54:34,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_88 [2021-12-21 16:54:34,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_88 [2021-12-21 16:54:34,616 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-21 16:54:34,616 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-21 16:54:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 16:54:34,617 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 16:54:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-21 16:54:34,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-21 16:54:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-21 16:54:34,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-21 16:54:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure update_link [2021-12-21 16:54:34,617 INFO L138 BoogieDeclarations]: Found implementation of procedure update_link [2021-12-21 16:54:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-21 16:54:34,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-21 16:54:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-21 16:54:34,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-21 16:54:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-21 16:54:34,618 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-21 16:54:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-21 16:54:34,618 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-21 16:54:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-21 16:54:34,619 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-21 16:54:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 16:54:34,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 16:54:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2021-12-21 16:54:34,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2021-12-21 16:54:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-21 16:54:34,619 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-21 16:54:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-21 16:54:34,620 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-21 16:54:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:54:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-21 16:54:34,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-21 16:54:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-21 16:54:34,620 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-21 16:54:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 16:54:34,620 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 16:54:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 16:54:34,621 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 16:54:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:54:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 16:54:34,621 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 16:54:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:54:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-21 16:54:34,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-21 16:54:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:54:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-21 16:54:34,622 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-21 16:54:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 16:54:34,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 16:54:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure init_rxtx_rings [2021-12-21 16:54:34,622 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rxtx_rings [2021-12-21 16:54:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-21 16:54:34,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-21 16:54:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-21 16:54:34,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-21 16:54:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-21 16:54:34,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-21 16:54:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-21 16:54:34,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-21 16:54:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2021-12-21 16:54:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2021-12-21 16:54:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:54:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-21 16:54:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-21 16:54:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-21 16:54:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-21 16:54:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:54:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2021-12-21 16:54:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2021-12-21 16:54:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 16:54:34,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 16:54:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 16:54:34,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 16:54:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:54:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 16:54:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:54:34,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:54:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-21 16:54:34,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-21 16:54:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-21 16:54:34,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-21 16:54:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-21 16:54:34,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-21 16:54:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 16:54:34,626 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 16:54:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-21 16:54:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-21 16:54:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-21 16:54:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-21 16:54:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure update_csr6 [2021-12-21 16:54:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure update_csr6 [2021-12-21 16:54:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure w840_resume [2021-12-21 16:54:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure w840_resume [2021-12-21 16:54:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-21 16:54:34,628 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-21 16:54:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:54:34,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:54:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:54:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:54:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:54:34,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:54:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-12-21 16:54:34,629 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-12-21 16:54:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-21 16:54:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-21 16:54:34,629 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-21 16:54:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-21 16:54:34,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-21 16:54:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2021-12-21 16:54:34,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2021-12-21 16:54:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-21 16:54:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-21 16:54:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:54:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:54:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2021-12-21 16:54:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2021-12-21 16:54:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 16:54:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 16:54:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-21 16:54:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-21 16:54:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:54:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-21 16:54:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-21 16:54:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:54:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-21 16:54:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-21 16:54:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_87 [2021-12-21 16:54:34,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_87 [2021-12-21 16:54:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:54:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 16:54:34,632 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 16:54:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2021-12-21 16:54:34,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2021-12-21 16:54:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-21 16:54:34,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-21 16:54:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-12-21 16:54:34,633 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-12-21 16:54:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-12-21 16:54:34,633 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-12-21 16:54:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-21 16:54:34,633 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-21 16:54:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 16:54:34,633 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 16:54:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-21 16:54:34,633 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-21 16:54:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 16:54:34,634 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 16:54:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:54:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:54:34,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:54:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_95 [2021-12-21 16:54:34,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_95 [2021-12-21 16:54:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2021-12-21 16:54:34,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2021-12-21 16:54:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-21 16:54:34,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-21 16:54:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-21 16:54:34,635 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-21 16:54:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-21 16:54:34,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-21 16:54:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-21 16:54:34,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-21 16:54:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-21 16:54:34,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-21 16:54:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 16:54:34,636 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 16:54:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure free_rxtx_rings [2021-12-21 16:54:34,636 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rxtx_rings [2021-12-21 16:54:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:54:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-21 16:54:34,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-21 16:54:35,296 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:54:35,299 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:54:35,631 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:54:37,476 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-21 16:54:37,514 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:54:37,525 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:54:37,525 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-21 16:54:37,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:54:37 BoogieIcfgContainer [2021-12-21 16:54:37,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:54:37,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:54:37,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:54:37,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:54:37,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:54:31" (1/3) ... [2021-12-21 16:54:37,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d6c50d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:54:37, skipping insertion in model container [2021-12-21 16:54:37,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:34" (2/3) ... [2021-12-21 16:54:37,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d6c50d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:54:37, skipping insertion in model container [2021-12-21 16:54:37,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:54:37" (3/3) ... [2021-12-21 16:54:37,535 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2021-12-21 16:54:37,539 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:54:37,539 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:54:37,576 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:54:37,581 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 16:54:37,581 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:54:37,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 1675 states, 1150 states have (on average 1.2860869565217392) internal successors, (1479), 1172 states have internal predecessors, (1479), 441 states have call successors, (441), 84 states have call predecessors, (441), 83 states have return successors, (436), 432 states have call predecessors, (436), 436 states have call successors, (436) [2021-12-21 16:54:37,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-12-21 16:54:37,633 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:54:37,634 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 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] [2021-12-21 16:54:37,635 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:54:37,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:54:37,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1902264864, now seen corresponding path program 1 times [2021-12-21 16:54:37,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:54:37,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138806467] [2021-12-21 16:54:37,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:54:37,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:54:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 16:54:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:54:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 16:54:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 16:54:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 16:54:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:54:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 16:54:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 16:54:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-21 16:54:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-21 16:54:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-21 16:54:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 16:54:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-21 16:54:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:54:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-21 16:54:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-21 16:54:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:38,335 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2021-12-21 16:54:38,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:54:38,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138806467] [2021-12-21 16:54:38,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138806467] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:54:38,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:54:38,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 16:54:38,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778505590] [2021-12-21 16:54:38,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:54:38,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 16:54:38,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:54:38,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 16:54:38,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 16:54:38,364 INFO L87 Difference]: Start difference. First operand has 1675 states, 1150 states have (on average 1.2860869565217392) internal successors, (1479), 1172 states have internal predecessors, (1479), 441 states have call successors, (441), 84 states have call predecessors, (441), 83 states have return successors, (436), 432 states have call predecessors, (436), 436 states have call successors, (436) Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-21 16:54:40,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:54:40,983 INFO L93 Difference]: Finished difference Result 4691 states and 6643 transitions. [2021-12-21 16:54:40,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 16:54:40,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 161 [2021-12-21 16:54:40,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:54:41,018 INFO L225 Difference]: With dead ends: 4691 [2021-12-21 16:54:41,019 INFO L226 Difference]: Without dead ends: 2969 [2021-12-21 16:54:41,034 INFO L932 BasicCegarLoop]: 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 [2021-12-21 16:54:41,039 INFO L933 BasicCegarLoop]: 2503 mSDtfsCounter, 2397 mSDsluCounter, 2681 mSDsCounter, 0 mSdLazyCounter, 1383 mSolverCounterSat, 1167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2742 SdHoareTripleChecker+Valid, 5184 SdHoareTripleChecker+Invalid, 2550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1167 IncrementalHoareTripleChecker+Valid, 1383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-21 16:54:41,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2742 Valid, 5184 Invalid, 2550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1167 Valid, 1383 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-21 16:54:41,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2969 states. [2021-12-21 16:54:41,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2969 to 2907. [2021-12-21 16:54:41,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 1994 states have (on average 1.2562688064192578) internal successors, (2505), 2032 states have internal predecessors, (2505), 751 states have call successors, (751), 160 states have call predecessors, (751), 161 states have return successors, (759), 740 states have call predecessors, (759), 751 states have call successors, (759) [2021-12-21 16:54:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4015 transitions. [2021-12-21 16:54:41,267 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4015 transitions. Word has length 161 [2021-12-21 16:54:41,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:54:41,270 INFO L470 AbstractCegarLoop]: Abstraction has 2907 states and 4015 transitions. [2021-12-21 16:54:41,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-21 16:54:41,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4015 transitions. [2021-12-21 16:54:41,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-12-21 16:54:41,284 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:54:41,284 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 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] [2021-12-21 16:54:41,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:54:41,285 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:54:41,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:54:41,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1778690404, now seen corresponding path program 1 times [2021-12-21 16:54:41,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:54:41,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54760380] [2021-12-21 16:54:41,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:54:41,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:54:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 16:54:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:54:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 16:54:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 16:54:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 16:54:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:54:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 16:54:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 16:54:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-21 16:54:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-21 16:54:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-21 16:54:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-21 16:54:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 16:54:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-21 16:54:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 16:54:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-21 16:54:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-21 16:54:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 16:54:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-21 16:54:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-21 16:54:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:41,629 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-12-21 16:54:41,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:54:41,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54760380] [2021-12-21 16:54:41,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54760380] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:54:41,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:54:41,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:54:41,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594862542] [2021-12-21 16:54:41,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:54:41,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:54:41,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:54:41,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:54:41,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:54:41,632 INFO L87 Difference]: Start difference. First operand 2907 states and 4015 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 4 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-21 16:54:46,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:54:46,766 INFO L93 Difference]: Finished difference Result 8709 states and 12111 transitions. [2021-12-21 16:54:46,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-21 16:54:46,766 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 4 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 196 [2021-12-21 16:54:46,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:54:46,793 INFO L225 Difference]: With dead ends: 8709 [2021-12-21 16:54:46,794 INFO L226 Difference]: Without dead ends: 5823 [2021-12-21 16:54:46,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-12-21 16:54:46,804 INFO L933 BasicCegarLoop]: 2256 mSDtfsCounter, 4567 mSDsluCounter, 4001 mSDsCounter, 0 mSdLazyCounter, 3278 mSolverCounterSat, 3768 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4827 SdHoareTripleChecker+Valid, 6257 SdHoareTripleChecker+Invalid, 7046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3768 IncrementalHoareTripleChecker+Valid, 3278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-12-21 16:54:46,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4827 Valid, 6257 Invalid, 7046 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3768 Valid, 3278 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-12-21 16:54:46,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5823 states. [2021-12-21 16:54:46,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5823 to 5349. [2021-12-21 16:54:47,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5349 states, 3640 states have (on average 1.2521978021978022) internal successors, (4558), 3714 states have internal predecessors, (4558), 1392 states have call successors, (1392), 316 states have call predecessors, (1392), 316 states have return successors, (1408), 1366 states have call predecessors, (1408), 1392 states have call successors, (1408) [2021-12-21 16:54:47,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5349 states to 5349 states and 7358 transitions. [2021-12-21 16:54:47,028 INFO L78 Accepts]: Start accepts. Automaton has 5349 states and 7358 transitions. Word has length 196 [2021-12-21 16:54:47,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:54:47,030 INFO L470 AbstractCegarLoop]: Abstraction has 5349 states and 7358 transitions. [2021-12-21 16:54:47,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 4 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-21 16:54:47,030 INFO L276 IsEmpty]: Start isEmpty. Operand 5349 states and 7358 transitions. [2021-12-21 16:54:47,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-12-21 16:54:47,034 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:54:47,034 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 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] [2021-12-21 16:54:47,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 16:54:47,034 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:54:47,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:54:47,035 INFO L85 PathProgramCache]: Analyzing trace with hash 2034596458, now seen corresponding path program 1 times [2021-12-21 16:54:47,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:54:47,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646418912] [2021-12-21 16:54:47,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:54:47,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:54:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 16:54:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:54:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 16:54:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 16:54:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 16:54:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:54:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 16:54:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 16:54:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-21 16:54:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:54:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-21 16:54:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-21 16:54:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-21 16:54:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-21 16:54:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 16:54:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-21 16:54:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 16:54:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 16:54:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-21 16:54:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-21 16:54:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:47,371 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-12-21 16:54:47,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:54:47,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646418912] [2021-12-21 16:54:47,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646418912] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:54:47,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:54:47,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:54:47,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762930778] [2021-12-21 16:54:47,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:54:47,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:54:47,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:54:47,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:54:47,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:54:47,374 INFO L87 Difference]: Start difference. First operand 5349 states and 7358 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 4 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-21 16:54:51,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:54:51,541 INFO L93 Difference]: Finished difference Result 13948 states and 19287 transitions. [2021-12-21 16:54:51,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-21 16:54:51,542 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 4 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 190 [2021-12-21 16:54:51,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:54:51,582 INFO L225 Difference]: With dead ends: 13948 [2021-12-21 16:54:51,582 INFO L226 Difference]: Without dead ends: 8620 [2021-12-21 16:54:51,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-12-21 16:54:51,608 INFO L933 BasicCegarLoop]: 2595 mSDtfsCounter, 3392 mSDsluCounter, 4453 mSDsCounter, 0 mSdLazyCounter, 3049 mSolverCounterSat, 2690 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3568 SdHoareTripleChecker+Valid, 7048 SdHoareTripleChecker+Invalid, 5739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2690 IncrementalHoareTripleChecker+Valid, 3049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-21 16:54:51,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3568 Valid, 7048 Invalid, 5739 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2690 Valid, 3049 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-21 16:54:51,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8620 states. [2021-12-21 16:54:51,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8620 to 8010. [2021-12-21 16:54:51,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8010 states, 5534 states have (on average 1.2573183953740512) internal successors, (6958), 5641 states have internal predecessors, (6958), 1982 states have call successors, (1982), 493 states have call predecessors, (1982), 493 states have return successors, (1998), 1952 states have call predecessors, (1998), 1982 states have call successors, (1998) [2021-12-21 16:54:51,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8010 states to 8010 states and 10938 transitions. [2021-12-21 16:54:52,000 INFO L78 Accepts]: Start accepts. Automaton has 8010 states and 10938 transitions. Word has length 190 [2021-12-21 16:54:52,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:54:52,001 INFO L470 AbstractCegarLoop]: Abstraction has 8010 states and 10938 transitions. [2021-12-21 16:54:52,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 4 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-21 16:54:52,002 INFO L276 IsEmpty]: Start isEmpty. Operand 8010 states and 10938 transitions. [2021-12-21 16:54:52,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-21 16:54:52,007 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:54:52,007 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:54:52,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 16:54:52,008 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:54:52,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:54:52,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1176392145, now seen corresponding path program 1 times [2021-12-21 16:54:52,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:54:52,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129355299] [2021-12-21 16:54:52,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:54:52,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:54:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 16:54:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:54:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 16:54:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 16:54:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 16:54:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:54:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 16:54:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 16:54:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-21 16:54:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-21 16:54:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-21 16:54:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-21 16:54:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-21 16:54:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 16:54:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:54:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-21 16:54:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-21 16:54:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 16:54:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-21 16:54:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-21 16:54:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-21 16:54:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 16:54:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-21 16:54:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-21 16:54:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-21 16:54:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-21 16:54:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-21 16:54:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:52,316 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2021-12-21 16:54:52,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:54:52,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129355299] [2021-12-21 16:54:52,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129355299] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:54:52,316 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:54:52,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:54:52,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730701657] [2021-12-21 16:54:52,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:54:52,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:54:52,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:54:52,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:54:52,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:54:52,318 INFO L87 Difference]: Start difference. First operand 8010 states and 10938 transitions. Second operand has 6 states, 6 states have (on average 17.5) internal successors, (105), 3 states have internal predecessors, (105), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2021-12-21 16:54:56,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:54:56,828 INFO L93 Difference]: Finished difference Result 19433 states and 26676 transitions. [2021-12-21 16:54:56,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-21 16:54:56,829 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 3 states have internal predecessors, (105), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 250 [2021-12-21 16:54:56,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:54:56,889 INFO L225 Difference]: With dead ends: 19433 [2021-12-21 16:54:56,890 INFO L226 Difference]: Without dead ends: 11444 [2021-12-21 16:54:56,917 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-12-21 16:54:56,918 INFO L933 BasicCegarLoop]: 3248 mSDtfsCounter, 2733 mSDsluCounter, 5321 mSDsCounter, 0 mSdLazyCounter, 3183 mSolverCounterSat, 2325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2910 SdHoareTripleChecker+Valid, 8569 SdHoareTripleChecker+Invalid, 5508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2325 IncrementalHoareTripleChecker+Valid, 3183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-21 16:54:56,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2910 Valid, 8569 Invalid, 5508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2325 Valid, 3183 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-21 16:54:56,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11444 states. [2021-12-21 16:54:57,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11444 to 10698. [2021-12-21 16:54:57,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10698 states, 7438 states have (on average 1.259478354396343) internal successors, (9368), 7578 states have internal predecessors, (9368), 2584 states have call successors, (2584), 675 states have call predecessors, (2584), 675 states have return successors, (2600), 2550 states have call predecessors, (2600), 2584 states have call successors, (2600) [2021-12-21 16:54:57,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10698 states to 10698 states and 14552 transitions. [2021-12-21 16:54:57,361 INFO L78 Accepts]: Start accepts. Automaton has 10698 states and 14552 transitions. Word has length 250 [2021-12-21 16:54:57,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:54:57,362 INFO L470 AbstractCegarLoop]: Abstraction has 10698 states and 14552 transitions. [2021-12-21 16:54:57,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 3 states have internal predecessors, (105), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2021-12-21 16:54:57,362 INFO L276 IsEmpty]: Start isEmpty. Operand 10698 states and 14552 transitions. [2021-12-21 16:54:57,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-12-21 16:54:57,368 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:54:57,368 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:54:57,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 16:54:57,368 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:54:57,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:54:57,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1437905855, now seen corresponding path program 1 times [2021-12-21 16:54:57,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:54:57,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013922515] [2021-12-21 16:54:57,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:54:57,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:54:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 16:54:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:54:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 16:54:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 16:54:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 16:54:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:54:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 16:54:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 16:54:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-21 16:54:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-21 16:54:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-21 16:54:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-21 16:54:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-21 16:54:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 16:54:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:54:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-21 16:54:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-21 16:54:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:54:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 16:54:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-21 16:54:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:54:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 16:54:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-21 16:54:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-21 16:54:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-21 16:54:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-21 16:54:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-21 16:54:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-21 16:54:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-21 16:54:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 16:54:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-21 16:54:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-21 16:54:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-21 16:54:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-21 16:54:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-21 16:54:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:57,718 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2021-12-21 16:54:57,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:54:57,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013922515] [2021-12-21 16:54:57,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013922515] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:54:57,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:54:57,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:54:57,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466962709] [2021-12-21 16:54:57,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:54:57,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:54:57,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:54:57,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:54:57,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:54:57,720 INFO L87 Difference]: Start difference. First operand 10698 states and 14552 transitions. Second operand has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-21 16:55:02,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:55:02,384 INFO L93 Difference]: Finished difference Result 24910 states and 34041 transitions. [2021-12-21 16:55:02,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-21 16:55:02,385 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) Word has length 324 [2021-12-21 16:55:02,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:55:02,436 INFO L225 Difference]: With dead ends: 24910 [2021-12-21 16:55:02,436 INFO L226 Difference]: Without dead ends: 14233 [2021-12-21 16:55:02,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-12-21 16:55:02,471 INFO L933 BasicCegarLoop]: 3256 mSDtfsCounter, 2728 mSDsluCounter, 5343 mSDsCounter, 0 mSdLazyCounter, 3163 mSolverCounterSat, 2299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2906 SdHoareTripleChecker+Valid, 8599 SdHoareTripleChecker+Invalid, 5462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2299 IncrementalHoareTripleChecker+Valid, 3163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-21 16:55:02,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2906 Valid, 8599 Invalid, 5462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2299 Valid, 3163 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-21 16:55:02,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14233 states. [2021-12-21 16:55:02,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14233 to 13351. [2021-12-21 16:55:02,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13351 states, 9320 states have (on average 1.2613733905579398) internal successors, (11756), 9493 states have internal predecessors, (11756), 3174 states have call successors, (3174), 856 states have call predecessors, (3174), 856 states have return successors, (3190), 3136 states have call predecessors, (3190), 3174 states have call successors, (3190) [2021-12-21 16:55:02,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13351 states to 13351 states and 18120 transitions. [2021-12-21 16:55:02,999 INFO L78 Accepts]: Start accepts. Automaton has 13351 states and 18120 transitions. Word has length 324 [2021-12-21 16:55:02,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:55:02,999 INFO L470 AbstractCegarLoop]: Abstraction has 13351 states and 18120 transitions. [2021-12-21 16:55:03,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-21 16:55:03,000 INFO L276 IsEmpty]: Start isEmpty. Operand 13351 states and 18120 transitions. [2021-12-21 16:55:03,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-12-21 16:55:03,006 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:55:03,006 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:55:03,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 16:55:03,007 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:55:03,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:55:03,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1826020543, now seen corresponding path program 1 times [2021-12-21 16:55:03,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:55:03,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975013922] [2021-12-21 16:55:03,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:55:03,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:55:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 16:55:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:55:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 16:55:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 16:55:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 16:55:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:55:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 16:55:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 16:55:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-21 16:55:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-21 16:55:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-21 16:55:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-21 16:55:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-21 16:55:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 16:55:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:55:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-21 16:55:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-21 16:55:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:55:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 16:55:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-21 16:55:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:55:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 16:55:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-21 16:55:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-21 16:55:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-21 16:55:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-21 16:55:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-21 16:55:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-21 16:55:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-21 16:55:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 16:55:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-21 16:55:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-21 16:55:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-21 16:55:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-21 16:55:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-21 16:55:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:03,339 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2021-12-21 16:55:03,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:55:03,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975013922] [2021-12-21 16:55:03,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975013922] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:55:03,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:55:03,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:55:03,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689174528] [2021-12-21 16:55:03,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:55:03,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:55:03,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:55:03,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:55:03,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:55:03,341 INFO L87 Difference]: Start difference. First operand 13351 states and 18120 transitions. Second operand has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-21 16:55:08,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:55:08,095 INFO L93 Difference]: Finished difference Result 31053 states and 42332 transitions. [2021-12-21 16:55:08,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-21 16:55:08,095 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) Word has length 324 [2021-12-21 16:55:08,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:55:08,167 INFO L225 Difference]: With dead ends: 31053 [2021-12-21 16:55:08,167 INFO L226 Difference]: Without dead ends: 17723 [2021-12-21 16:55:08,208 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-12-21 16:55:08,210 INFO L933 BasicCegarLoop]: 3366 mSDtfsCounter, 3042 mSDsluCounter, 5284 mSDsCounter, 0 mSdLazyCounter, 3257 mSolverCounterSat, 2382 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3267 SdHoareTripleChecker+Valid, 8650 SdHoareTripleChecker+Invalid, 5639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2382 IncrementalHoareTripleChecker+Valid, 3257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-21 16:55:08,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3267 Valid, 8650 Invalid, 5639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2382 Valid, 3257 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-21 16:55:08,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17723 states. [2021-12-21 16:55:08,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17723 to 16589. [2021-12-21 16:55:08,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16589 states, 11619 states have (on average 1.2626732076770806) internal successors, (14671), 11827 states have internal predecessors, (14671), 3896 states have call successors, (3896), 1073 states have call predecessors, (3896), 1073 states have return successors, (3912), 3852 states have call predecessors, (3912), 3896 states have call successors, (3912) [2021-12-21 16:55:08,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16589 states to 16589 states and 22479 transitions. [2021-12-21 16:55:08,865 INFO L78 Accepts]: Start accepts. Automaton has 16589 states and 22479 transitions. Word has length 324 [2021-12-21 16:55:08,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:55:08,869 INFO L470 AbstractCegarLoop]: Abstraction has 16589 states and 22479 transitions. [2021-12-21 16:55:08,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-21 16:55:08,869 INFO L276 IsEmpty]: Start isEmpty. Operand 16589 states and 22479 transitions. [2021-12-21 16:55:08,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2021-12-21 16:55:08,878 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:55:08,878 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 11, 11, 11, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:55:08,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 16:55:08,879 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:55:08,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:55:08,879 INFO L85 PathProgramCache]: Analyzing trace with hash -2009385364, now seen corresponding path program 1 times [2021-12-21 16:55:08,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:55:08,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999015568] [2021-12-21 16:55:08,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:55:08,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:55:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 16:55:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:55:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 16:55:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 16:55:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 16:55:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:55:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 16:55:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 16:55:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-21 16:55:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-21 16:55:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-21 16:55:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-21 16:55:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-21 16:55:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 16:55:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:55:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-21 16:55:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-21 16:55:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:55:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 16:55:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-21 16:55:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:55:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 16:55:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-21 16:55:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-21 16:55:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-21 16:55:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-21 16:55:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-21 16:55:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-21 16:55:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-21 16:55:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-21 16:55:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-21 16:55:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-21 16:55:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-21 16:55:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-21 16:55:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 16:55:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-21 16:55:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-21 16:55:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-21 16:55:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-21 16:55:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-21 16:55:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:09,291 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 797 trivial. 0 not checked. [2021-12-21 16:55:09,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:55:09,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999015568] [2021-12-21 16:55:09,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999015568] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:55:09,291 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:55:09,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:55:09,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269418605] [2021-12-21 16:55:09,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:55:09,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:55:09,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:55:09,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:55:09,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:55:09,293 INFO L87 Difference]: Start difference. First operand 16589 states and 22479 transitions. Second operand has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 3 states have internal predecessors, (152), 4 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 4 states have call successors, (40) [2021-12-21 16:55:13,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:55:13,986 INFO L93 Difference]: Finished difference Result 37120 states and 50506 transitions. [2021-12-21 16:55:13,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-21 16:55:13,987 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 3 states have internal predecessors, (152), 4 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 4 states have call successors, (40) Word has length 384 [2021-12-21 16:55:13,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:55:14,073 INFO L225 Difference]: With dead ends: 37120 [2021-12-21 16:55:14,073 INFO L226 Difference]: Without dead ends: 20552 [2021-12-21 16:55:14,124 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-12-21 16:55:14,125 INFO L933 BasicCegarLoop]: 3126 mSDtfsCounter, 2745 mSDsluCounter, 5026 mSDsCounter, 0 mSdLazyCounter, 3154 mSolverCounterSat, 2390 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2924 SdHoareTripleChecker+Valid, 8152 SdHoareTripleChecker+Invalid, 5544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2390 IncrementalHoareTripleChecker+Valid, 3154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-21 16:55:14,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2924 Valid, 8152 Invalid, 5544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2390 Valid, 3154 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-21 16:55:14,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20552 states. [2021-12-21 16:55:14,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20552 to 19282. [2021-12-21 16:55:14,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19282 states, 13537 states have (on average 1.2634261653246657) internal successors, (17103), 13778 states have internal predecessors, (17103), 4490 states have call successors, (4490), 1254 states have call predecessors, (4490), 1254 states have return successors, (4506), 4442 states have call predecessors, (4506), 4490 states have call successors, (4506) [2021-12-21 16:55:14,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19282 states to 19282 states and 26099 transitions. [2021-12-21 16:55:14,812 INFO L78 Accepts]: Start accepts. Automaton has 19282 states and 26099 transitions. Word has length 384 [2021-12-21 16:55:14,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:55:14,813 INFO L470 AbstractCegarLoop]: Abstraction has 19282 states and 26099 transitions. [2021-12-21 16:55:14,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 3 states have internal predecessors, (152), 4 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 4 states have call successors, (40) [2021-12-21 16:55:14,813 INFO L276 IsEmpty]: Start isEmpty. Operand 19282 states and 26099 transitions. [2021-12-21 16:55:14,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2021-12-21 16:55:14,822 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:55:14,822 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 11, 11, 11, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:55:14,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 16:55:14,822 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:55:14,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:55:14,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1254541034, now seen corresponding path program 1 times [2021-12-21 16:55:14,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:55:14,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635662458] [2021-12-21 16:55:14,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:55:14,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:55:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:14,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 16:55:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:14,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:14,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:55:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:14,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:14,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 16:55:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:14,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:14,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 16:55:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:14,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:14,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 16:55:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:14,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:14,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:55:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 16:55:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 16:55:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-21 16:55:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-21 16:55:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-21 16:55:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-21 16:55:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-21 16:55:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 16:55:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:55:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-21 16:55:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-21 16:55:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:55:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 16:55:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-21 16:55:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:55:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 16:55:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-21 16:55:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-21 16:55:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-21 16:55:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-21 16:55:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-21 16:55:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-21 16:55:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-21 16:55:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-21 16:55:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-21 16:55:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-21 16:55:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-21 16:55:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-21 16:55:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 16:55:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-21 16:55:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-21 16:55:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-21 16:55:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-21 16:55:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-21 16:55:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:15,216 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 797 trivial. 0 not checked. [2021-12-21 16:55:15,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:55:15,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635662458] [2021-12-21 16:55:15,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635662458] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:55:15,217 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:55:15,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:55:15,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315047035] [2021-12-21 16:55:15,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:55:15,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:55:15,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:55:15,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:55:15,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:55:15,220 INFO L87 Difference]: Start difference. First operand 19282 states and 26099 transitions. Second operand has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 3 states have internal predecessors, (152), 4 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 4 states have call successors, (40) [2021-12-21 16:55:20,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:55:20,015 INFO L93 Difference]: Finished difference Result 42594 states and 57885 transitions. [2021-12-21 16:55:20,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-21 16:55:20,016 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 3 states have internal predecessors, (152), 4 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 4 states have call successors, (40) Word has length 384 [2021-12-21 16:55:20,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:55:20,100 INFO L225 Difference]: With dead ends: 42594 [2021-12-21 16:55:20,101 INFO L226 Difference]: Without dead ends: 23333 [2021-12-21 16:55:20,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-12-21 16:55:20,149 INFO L933 BasicCegarLoop]: 3259 mSDtfsCounter, 2725 mSDsluCounter, 5344 mSDsCounter, 0 mSdLazyCounter, 3158 mSolverCounterSat, 2295 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2902 SdHoareTripleChecker+Valid, 8603 SdHoareTripleChecker+Invalid, 5453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2295 IncrementalHoareTripleChecker+Valid, 3158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-21 16:55:20,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2902 Valid, 8603 Invalid, 5453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2295 Valid, 3158 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-21 16:55:20,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23333 states. [2021-12-21 16:55:20,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23333 to 21927. [2021-12-21 16:55:20,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21927 states, 15415 states have (on average 1.2641582873824198) internal successors, (19487), 15689 states have internal predecessors, (19487), 5080 states have call successors, (5080), 1431 states have call predecessors, (5080), 1431 states have return successors, (5096), 5028 states have call predecessors, (5096), 5080 states have call successors, (5096) [2021-12-21 16:55:20,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21927 states to 21927 states and 29663 transitions. [2021-12-21 16:55:20,837 INFO L78 Accepts]: Start accepts. Automaton has 21927 states and 29663 transitions. Word has length 384 [2021-12-21 16:55:20,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:55:20,838 INFO L470 AbstractCegarLoop]: Abstraction has 21927 states and 29663 transitions. [2021-12-21 16:55:20,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 3 states have internal predecessors, (152), 4 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 4 states have call successors, (40) [2021-12-21 16:55:20,839 INFO L276 IsEmpty]: Start isEmpty. Operand 21927 states and 29663 transitions. [2021-12-21 16:55:20,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2021-12-21 16:55:20,850 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:55:20,850 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 12, 12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:55:20,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 16:55:20,850 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:55:20,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:55:20,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1016841787, now seen corresponding path program 1 times [2021-12-21 16:55:20,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:55:20,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605693415] [2021-12-21 16:55:20,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:55:20,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:55:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 16:55:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:55:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 16:55:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 16:55:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 16:55:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:55:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 16:55:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 16:55:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-21 16:55:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-21 16:55:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-21 16:55:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-21 16:55:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-21 16:55:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 16:55:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:55:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-21 16:55:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-21 16:55:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:55:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 16:55:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-21 16:55:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:55:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 16:55:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-21 16:55:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-21 16:55:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-21 16:55:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-21 16:55:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-21 16:55:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-21 16:55:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-21 16:55:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-21 16:55:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-21 16:55:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-21 16:55:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-21 16:55:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-21 16:55:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-21 16:55:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-12-21 16:55:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-21 16:55:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 16:55:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-21 16:55:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-21 16:55:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-21 16:55:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-12-21 16:55:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-21 16:55:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:21,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1019 trivial. 0 not checked. [2021-12-21 16:55:21,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:55:21,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605693415] [2021-12-21 16:55:21,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605693415] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:55:21,441 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:55:21,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:55:21,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36408101] [2021-12-21 16:55:21,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:55:21,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:55:21,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:55:21,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:55:21,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:55:21,443 INFO L87 Difference]: Start difference. First operand 21927 states and 29663 transitions. Second operand has 6 states, 6 states have (on average 25.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (47), 5 states have call predecessors, (47), 1 states have return successors, (42), 2 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-21 16:55:25,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:55:25,037 INFO L93 Difference]: Finished difference Result 45297 states and 61514 transitions. [2021-12-21 16:55:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-21 16:55:25,038 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (47), 5 states have call predecessors, (47), 1 states have return successors, (42), 2 states have call predecessors, (42), 3 states have call successors, (42) Word has length 425 [2021-12-21 16:55:25,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:55:25,121 INFO L225 Difference]: With dead ends: 45297 [2021-12-21 16:55:25,121 INFO L226 Difference]: Without dead ends: 23391 [2021-12-21 16:55:25,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-21 16:55:25,182 INFO L933 BasicCegarLoop]: 2029 mSDtfsCounter, 1657 mSDsluCounter, 4036 mSDsCounter, 0 mSdLazyCounter, 2240 mSolverCounterSat, 1757 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1702 SdHoareTripleChecker+Valid, 6065 SdHoareTripleChecker+Invalid, 3997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1757 IncrementalHoareTripleChecker+Valid, 2240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-21 16:55:25,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1702 Valid, 6065 Invalid, 3997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1757 Valid, 2240 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-21 16:55:25,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23391 states. [2021-12-21 16:55:25,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23391 to 21959. [2021-12-21 16:55:25,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21959 states, 15447 states have (on average 1.2636110571632033) internal successors, (19519), 15721 states have internal predecessors, (19519), 5080 states have call successors, (5080), 1431 states have call predecessors, (5080), 1431 states have return successors, (5096), 5028 states have call predecessors, (5096), 5080 states have call successors, (5096) [2021-12-21 16:55:25,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21959 states to 21959 states and 29695 transitions. [2021-12-21 16:55:25,919 INFO L78 Accepts]: Start accepts. Automaton has 21959 states and 29695 transitions. Word has length 425 [2021-12-21 16:55:25,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:55:25,920 INFO L470 AbstractCegarLoop]: Abstraction has 21959 states and 29695 transitions. [2021-12-21 16:55:25,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (47), 5 states have call predecessors, (47), 1 states have return successors, (42), 2 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-21 16:55:25,920 INFO L276 IsEmpty]: Start isEmpty. Operand 21959 states and 29695 transitions. [2021-12-21 16:55:25,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2021-12-21 16:55:25,932 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:55:25,932 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 12, 12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:55:25,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-21 16:55:25,933 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:55:25,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:55:25,933 INFO L85 PathProgramCache]: Analyzing trace with hash -668756997, now seen corresponding path program 1 times [2021-12-21 16:55:25,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:55:25,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406942506] [2021-12-21 16:55:25,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:55:25,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:55:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 16:55:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:55:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 16:55:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 16:55:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 16:55:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:55:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 16:55:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 16:55:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-21 16:55:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-21 16:55:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-21 16:55:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-21 16:55:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-21 16:55:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 16:55:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:55:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-21 16:55:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-21 16:55:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:55:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 16:55:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-21 16:55:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:55:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 16:55:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-21 16:55:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-21 16:55:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-21 16:55:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-21 16:55:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-21 16:55:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-21 16:55:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-21 16:55:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-21 16:55:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-21 16:55:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-21 16:55:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-21 16:55:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-21 16:55:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-12-21 16:55:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-12-21 16:55:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-21 16:55:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 16:55:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-21 16:55:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-21 16:55:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-21 16:55:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-21 16:55:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-21 16:55:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:26,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2021-12-21 16:55:26,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:55:26,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406942506] [2021-12-21 16:55:26,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406942506] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 16:55:26,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444315051] [2021-12-21 16:55:26,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:55:26,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 16:55:26,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:55:26,286 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 16:55:26,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process