./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:47:05,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:47:05,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:47:05,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:47:05,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:47:05,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:47:05,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:47:05,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:47:05,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:47:05,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:47:05,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:47:05,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:47:05,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:47:05,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:47:05,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:47:05,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:47:05,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:47:05,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:47:05,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:47:05,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:47:05,808 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:47:05,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:47:05,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:47:05,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:47:05,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:47:05,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:47:05,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:47:05,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:47:05,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:47:05,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:47:05,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:47:05,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:47:05,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:47:05,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:47:05,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:47:05,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:47:05,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:47:05,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:47:05,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:47:05,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:47:05,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:47:05,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:47:05,824 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:47:05,848 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:47:05,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:47:05,848 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:47:05,849 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:47:05,850 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:47:05,850 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:47:05,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:47:05,850 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:47:05,850 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:47:05,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:47:05,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:47:05,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:47:05,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:47:05,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:47:05,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:47:05,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:47:05,852 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:47:05,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:47:05,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:47:05,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:47:05,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:47:05,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:47:05,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:47:05,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:47:05,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:47:05,854 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:47:05,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:47:05,854 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:47:05,854 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:47:05,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:47:05,855 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 [2022-07-20 01:47:06,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:47:06,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:47:06,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:47:06,056 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:47:06,056 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:47:06,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2022-07-20 01:47:06,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3853b0c6/c5ab394fa2634c35b1358a5f9d1cc360/FLAG16243fd4d [2022-07-20 01:47:06,716 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:47:06,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2022-07-20 01:47:06,748 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3853b0c6/c5ab394fa2634c35b1358a5f9d1cc360/FLAG16243fd4d [2022-07-20 01:47:06,863 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3853b0c6/c5ab394fa2634c35b1358a5f9d1cc360 [2022-07-20 01:47:06,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:47:06,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:47:06,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:47:06,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:47:06,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:47:06,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:47:06" (1/1) ... [2022-07-20 01:47:06,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1616d944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:06, skipping insertion in model container [2022-07-20 01:47:06,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:47:06" (1/1) ... [2022-07-20 01:47:06,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:47:06,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:47:08,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2022-07-20 01:47:08,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2022-07-20 01:47:08,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:47:08,599 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:47:08,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2022-07-20 01:47:08,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2022-07-20 01:47:08,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:47:08,957 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:47:08,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:08 WrapperNode [2022-07-20 01:47:08,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:47:08,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:47:08,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:47:08,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:47:08,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:08" (1/1) ... [2022-07-20 01:47:09,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:08" (1/1) ... [2022-07-20 01:47:09,191 INFO L137 Inliner]: procedures = 433, calls = 1883, calls flagged for inlining = 214, calls inlined = 198, statements flattened = 4422 [2022-07-20 01:47:09,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:47:09,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:47:09,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:47:09,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:47:09,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:08" (1/1) ... [2022-07-20 01:47:09,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:08" (1/1) ... [2022-07-20 01:47:09,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:08" (1/1) ... [2022-07-20 01:47:09,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:08" (1/1) ... [2022-07-20 01:47:09,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:08" (1/1) ... [2022-07-20 01:47:09,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:08" (1/1) ... [2022-07-20 01:47:09,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:08" (1/1) ... [2022-07-20 01:47:09,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:47:09,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:47:09,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:47:09,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:47:09,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:08" (1/1) ... [2022-07-20 01:47:09,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:47:09,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:47:09,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 01:47:09,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 01:47:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_90 [2022-07-20 01:47:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_90 [2022-07-20 01:47:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2022-07-20 01:47:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2022-07-20 01:47:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-07-20 01:47:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-07-20 01:47:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 01:47:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 01:47:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:47:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:47:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-20 01:47:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-20 01:47:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 01:47:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 01:47:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:47:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:47:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 01:47:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 01:47:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-20 01:47:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-20 01:47:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 01:47:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 01:47:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 01:47:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 01:47:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-20 01:47:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-20 01:47:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2022-07-20 01:47:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2022-07-20 01:47:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 01:47:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 01:47:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 01:47:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 01:47:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 01:47:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 01:47:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2022-07-20 01:47:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2022-07-20 01:47:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2022-07-20 01:47:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2022-07-20 01:47:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 01:47:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 01:47:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:47:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-20 01:47:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-20 01:47:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 01:47:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 01:47:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 01:47:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2022-07-20 01:47:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2022-07-20 01:47:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 01:47:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 01:47:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2022-07-20 01:47:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2022-07-20 01:47:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 01:47:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 01:47:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 01:47:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 01:47:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-20 01:47:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-20 01:47:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 01:47:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 01:47:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 01:47:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 01:47:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 01:47:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 01:47:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 01:47:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 01:47:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 01:47:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 01:47:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 01:47:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 01:47:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:47:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 01:47:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 01:47:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 01:47:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 01:47:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:47:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2022-07-20 01:47:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2022-07-20 01:47:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 01:47:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 01:47:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 01:47:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 01:47:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:47:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 01:47:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 01:47:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 01:47:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 01:47:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-20 01:47:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-20 01:47:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-20 01:47:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-20 01:47:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-20 01:47:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-20 01:47:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-20 01:47:09,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-20 01:47:09,465 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 01:47:09,465 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 01:47:09,465 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-20 01:47:09,466 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-20 01:47:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 01:47:09,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 01:47:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_102 [2022-07-20 01:47:09,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_102 [2022-07-20 01:47:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2022-07-20 01:47:09,466 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2022-07-20 01:47:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-20 01:47:09,466 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-20 01:47:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:47:09,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:47:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 01:47:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 01:47:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:47:09,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:47:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2022-07-20 01:47:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2022-07-20 01:47:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 01:47:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 01:47:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2022-07-20 01:47:09,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2022-07-20 01:47:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2022-07-20 01:47:09,471 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2022-07-20 01:47:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 01:47:09,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 01:47:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 01:47:09,472 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 01:47:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 01:47:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 01:47:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-20 01:47:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-20 01:47:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 01:47:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 01:47:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-20 01:47:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-20 01:47:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:47:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2022-07-20 01:47:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2022-07-20 01:47:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 01:47:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 01:47:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:47:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-20 01:47:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-20 01:47:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:47:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-20 01:47:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-20 01:47:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 01:47:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 01:47:09,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2022-07-20 01:47:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2022-07-20 01:47:09,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 01:47:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 01:47:09,479 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2022-07-20 01:47:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2022-07-20 01:47:09,479 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 01:47:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 01:47:09,479 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 01:47:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 01:47:09,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_101 [2022-07-20 01:47:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_101 [2022-07-20 01:47:09,480 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-20 01:47:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-20 01:47:09,480 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2022-07-20 01:47:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2022-07-20 01:47:09,480 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2022-07-20 01:47:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2022-07-20 01:47:09,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 01:47:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2022-07-20 01:47:09,481 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2022-07-20 01:47:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:47:09,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:47:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 01:47:09,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 01:47:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-20 01:47:09,481 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-20 01:47:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-20 01:47:09,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-20 01:47:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 01:47:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 01:47:09,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 01:47:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2022-07-20 01:47:09,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2022-07-20 01:47:10,075 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:47:10,077 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:47:10,589 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:47:12,075 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 01:47:12,147 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:47:12,163 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:47:12,163 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 01:47:12,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:47:12 BoogieIcfgContainer [2022-07-20 01:47:12,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:47:12,168 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:47:12,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:47:12,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:47:12,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:47:06" (1/3) ... [2022-07-20 01:47:12,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@644d2bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:47:12, skipping insertion in model container [2022-07-20 01:47:12,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:08" (2/3) ... [2022-07-20 01:47:12,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@644d2bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:47:12, skipping insertion in model container [2022-07-20 01:47:12,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:47:12" (3/3) ... [2022-07-20 01:47:12,173 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2022-07-20 01:47:12,182 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:47:12,182 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:47:12,260 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:47:12,266 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@57d01032, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@41e36817 [2022-07-20 01:47:12,266 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:47:12,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 1651 states, 1179 states have (on average 1.3384223918575064) internal successors, (1578), 1198 states have internal predecessors, (1578), 390 states have call successors, (390), 82 states have call predecessors, (390), 81 states have return successors, (384), 381 states have call predecessors, (384), 384 states have call successors, (384) [2022-07-20 01:47:12,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-07-20 01:47:12,299 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:47:12,299 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:47:12,300 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:47:12,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:47:12,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1124157509, now seen corresponding path program 1 times [2022-07-20 01:47:12,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:47:12,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048205339] [2022-07-20 01:47:12,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:47:12,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:47:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:47:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:47:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:47:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:47:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:47:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:47:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:47:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:47:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:47:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 01:47:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 01:47:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:47:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:47:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 01:47:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 01:47:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-20 01:47:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:47:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 01:47:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,004 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2022-07-20 01:47:13,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:47:13,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048205339] [2022-07-20 01:47:13,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048205339] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:47:13,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:47:13,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:47:13,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991250980] [2022-07-20 01:47:13,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:47:13,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:47:13,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:47:13,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:47:13,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:47:13,039 INFO L87 Difference]: Start difference. First operand has 1651 states, 1179 states have (on average 1.3384223918575064) internal successors, (1578), 1198 states have internal predecessors, (1578), 390 states have call successors, (390), 82 states have call predecessors, (390), 81 states have return successors, (384), 381 states have call predecessors, (384), 384 states have call successors, (384) Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 4 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2022-07-20 01:47:17,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:47:17,002 INFO L93 Difference]: Finished difference Result 4879 states and 7091 transitions. [2022-07-20 01:47:17,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 01:47:17,004 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 4 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 170 [2022-07-20 01:47:17,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:47:17,033 INFO L225 Difference]: With dead ends: 4879 [2022-07-20 01:47:17,033 INFO L226 Difference]: Without dead ends: 3172 [2022-07-20 01:47:17,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:47:17,048 INFO L413 NwaCegarLoop]: 2548 mSDtfsCounter, 4208 mSDsluCounter, 2297 mSDsCounter, 0 mSdLazyCounter, 2757 mSolverCounterSat, 2454 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4423 SdHoareTripleChecker+Valid, 4845 SdHoareTripleChecker+Invalid, 5211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2454 IncrementalHoareTripleChecker+Valid, 2757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-20 01:47:17,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4423 Valid, 4845 Invalid, 5211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2454 Valid, 2757 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-07-20 01:47:17,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3172 states. [2022-07-20 01:47:17,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3172 to 3085. [2022-07-20 01:47:17,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3085 states, 2244 states have (on average 1.2909982174688057) internal successors, (2897), 2283 states have internal predecessors, (2897), 682 states have call successors, (682), 157 states have call predecessors, (682), 158 states have return successors, (692), 672 states have call predecessors, (692), 682 states have call successors, (692) [2022-07-20 01:47:17,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 3085 states and 4271 transitions. [2022-07-20 01:47:17,261 INFO L78 Accepts]: Start accepts. Automaton has 3085 states and 4271 transitions. Word has length 170 [2022-07-20 01:47:17,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:47:17,261 INFO L495 AbstractCegarLoop]: Abstraction has 3085 states and 4271 transitions. [2022-07-20 01:47:17,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 4 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2022-07-20 01:47:17,262 INFO L276 IsEmpty]: Start isEmpty. Operand 3085 states and 4271 transitions. [2022-07-20 01:47:17,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-07-20 01:47:17,272 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:47:17,272 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:47:17,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 01:47:17,273 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:47:17,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:47:17,274 INFO L85 PathProgramCache]: Analyzing trace with hash 857469462, now seen corresponding path program 1 times [2022-07-20 01:47:17,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:47:17,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427330422] [2022-07-20 01:47:17,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:47:17,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:47:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:47:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:47:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:47:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:47:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:47:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:47:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:47:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:47:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:47:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 01:47:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-20 01:47:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-20 01:47:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 01:47:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:47:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 01:47:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:47:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:17,545 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2022-07-20 01:47:17,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:47:17,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427330422] [2022-07-20 01:47:17,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427330422] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:47:17,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:47:17,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 01:47:17,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65044099] [2022-07-20 01:47:17,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:47:17,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 01:47:17,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:47:17,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 01:47:17,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 01:47:17,549 INFO L87 Difference]: Start difference. First operand 3085 states and 4271 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-20 01:47:19,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:47:19,826 INFO L93 Difference]: Finished difference Result 8186 states and 11341 transitions. [2022-07-20 01:47:19,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:47:19,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 178 [2022-07-20 01:47:19,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:47:19,855 INFO L225 Difference]: With dead ends: 8186 [2022-07-20 01:47:19,855 INFO L226 Difference]: Without dead ends: 5124 [2022-07-20 01:47:19,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:47:19,868 INFO L413 NwaCegarLoop]: 2246 mSDtfsCounter, 2355 mSDsluCounter, 1918 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 880 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2612 SdHoareTripleChecker+Valid, 4164 SdHoareTripleChecker+Invalid, 2653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 880 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:47:19,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2612 Valid, 4164 Invalid, 2653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [880 Valid, 1773 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-20 01:47:19,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5124 states. [2022-07-20 01:47:19,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5124 to 4965. [2022-07-20 01:47:19,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4965 states, 3619 states have (on average 1.284885327438519) internal successors, (4650), 3679 states have internal predecessors, (4650), 1081 states have call successors, (1081), 263 states have call predecessors, (1081), 264 states have return successors, (1091), 1068 states have call predecessors, (1091), 1081 states have call successors, (1091) [2022-07-20 01:47:20,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4965 states to 4965 states and 6822 transitions. [2022-07-20 01:47:20,010 INFO L78 Accepts]: Start accepts. Automaton has 4965 states and 6822 transitions. Word has length 178 [2022-07-20 01:47:20,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:47:20,010 INFO L495 AbstractCegarLoop]: Abstraction has 4965 states and 6822 transitions. [2022-07-20 01:47:20,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-20 01:47:20,011 INFO L276 IsEmpty]: Start isEmpty. Operand 4965 states and 6822 transitions. [2022-07-20 01:47:20,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-20 01:47:20,015 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:47:20,016 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:47:20,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 01:47:20,016 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:47:20,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:47:20,017 INFO L85 PathProgramCache]: Analyzing trace with hash 2125579277, now seen corresponding path program 1 times [2022-07-20 01:47:20,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:47:20,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358232239] [2022-07-20 01:47:20,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:47:20,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:47:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:47:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:47:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:47:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:47:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:47:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:47:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:47:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:47:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:47:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 01:47:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:47:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-20 01:47:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 01:47:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 01:47:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 01:47:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 01:47:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 01:47:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:47:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 01:47:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 01:47:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:20,239 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-07-20 01:47:20,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:47:20,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358232239] [2022-07-20 01:47:20,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358232239] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:47:20,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:47:20,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:47:20,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818114926] [2022-07-20 01:47:20,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:47:20,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:47:20,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:47:20,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:47:20,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:47:20,241 INFO L87 Difference]: Start difference. First operand 4965 states and 6822 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 4 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2022-07-20 01:47:24,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:47:24,154 INFO L93 Difference]: Finished difference Result 14290 states and 19604 transitions. [2022-07-20 01:47:24,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 01:47:24,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 4 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 187 [2022-07-20 01:47:24,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:47:24,199 INFO L225 Difference]: With dead ends: 14290 [2022-07-20 01:47:24,199 INFO L226 Difference]: Without dead ends: 9348 [2022-07-20 01:47:24,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:47:24,221 INFO L413 NwaCegarLoop]: 2213 mSDtfsCounter, 4301 mSDsluCounter, 2243 mSDsCounter, 0 mSdLazyCounter, 2631 mSolverCounterSat, 2286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4481 SdHoareTripleChecker+Valid, 4456 SdHoareTripleChecker+Invalid, 4917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2286 IncrementalHoareTripleChecker+Valid, 2631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-20 01:47:24,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4481 Valid, 4456 Invalid, 4917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2286 Valid, 2631 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-20 01:47:24,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9348 states. [2022-07-20 01:47:24,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9348 to 9030. [2022-07-20 01:47:24,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9030 states, 6569 states have (on average 1.277363373420612) internal successors, (8391), 6677 states have internal predecessors, (8391), 1952 states have call successors, (1952), 508 states have call predecessors, (1952), 508 states have return successors, (1984), 1920 states have call predecessors, (1984), 1952 states have call successors, (1984) [2022-07-20 01:47:24,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9030 states to 9030 states and 12327 transitions. [2022-07-20 01:47:24,550 INFO L78 Accepts]: Start accepts. Automaton has 9030 states and 12327 transitions. Word has length 187 [2022-07-20 01:47:24,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:47:24,552 INFO L495 AbstractCegarLoop]: Abstraction has 9030 states and 12327 transitions. [2022-07-20 01:47:24,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 4 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2022-07-20 01:47:24,553 INFO L276 IsEmpty]: Start isEmpty. Operand 9030 states and 12327 transitions. [2022-07-20 01:47:24,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-07-20 01:47:24,557 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:47:24,558 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:47:24,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 01:47:24,558 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:47:24,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:47:24,559 INFO L85 PathProgramCache]: Analyzing trace with hash 2060848097, now seen corresponding path program 1 times [2022-07-20 01:47:24,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:47:24,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428202788] [2022-07-20 01:47:24,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:47:24,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:47:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:47:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:47:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:47:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:47:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:47:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:47:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:47:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:47:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:47:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 01:47:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 01:47:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 01:47:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 01:47:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 01:47:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 01:47:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 01:47:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 01:47:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-20 01:47:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 01:47:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-20 01:47:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:24,868 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2022-07-20 01:47:24,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:47:24,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428202788] [2022-07-20 01:47:24,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428202788] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:47:24,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:47:24,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:47:24,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69613654] [2022-07-20 01:47:24,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:47:24,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:47:24,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:47:24,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:47:24,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:47:24,871 INFO L87 Difference]: Start difference. First operand 9030 states and 12327 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 4 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2022-07-20 01:47:28,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:47:28,702 INFO L93 Difference]: Finished difference Result 27610 states and 37774 transitions. [2022-07-20 01:47:28,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 01:47:28,720 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 4 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 193 [2022-07-20 01:47:28,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:47:28,802 INFO L225 Difference]: With dead ends: 27610 [2022-07-20 01:47:28,802 INFO L226 Difference]: Without dead ends: 18603 [2022-07-20 01:47:28,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:47:28,830 INFO L413 NwaCegarLoop]: 2308 mSDtfsCounter, 4654 mSDsluCounter, 2361 mSDsCounter, 0 mSdLazyCounter, 2758 mSolverCounterSat, 2386 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4892 SdHoareTripleChecker+Valid, 4669 SdHoareTripleChecker+Invalid, 5144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2386 IncrementalHoareTripleChecker+Valid, 2758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:47:28,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4892 Valid, 4669 Invalid, 5144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2386 Valid, 2758 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-20 01:47:28,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18603 states. [2022-07-20 01:47:29,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18603 to 17959. [2022-07-20 01:47:29,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17959 states, 13055 states have (on average 1.2772883952508618) internal successors, (16675), 13283 states have internal predecessors, (16675), 3887 states have call successors, (3887), 1016 states have call predecessors, (3887), 1016 states have return successors, (3951), 3811 states have call predecessors, (3951), 3887 states have call successors, (3951) [2022-07-20 01:47:29,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17959 states to 17959 states and 24513 transitions. [2022-07-20 01:47:29,424 INFO L78 Accepts]: Start accepts. Automaton has 17959 states and 24513 transitions. Word has length 193 [2022-07-20 01:47:29,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:47:29,426 INFO L495 AbstractCegarLoop]: Abstraction has 17959 states and 24513 transitions. [2022-07-20 01:47:29,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 4 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2022-07-20 01:47:29,426 INFO L276 IsEmpty]: Start isEmpty. Operand 17959 states and 24513 transitions. [2022-07-20 01:47:29,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-07-20 01:47:29,435 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:47:29,436 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:47:29,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 01:47:29,436 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:47:29,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:47:29,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1241728031, now seen corresponding path program 1 times [2022-07-20 01:47:29,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:47:29,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570090864] [2022-07-20 01:47:29,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:47:29,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:47:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:47:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:47:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:47:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:47:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:47:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:47:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:47:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:47:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:47:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 01:47:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:47:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 01:47:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 01:47:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 01:47:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 01:47:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-20 01:47:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-20 01:47:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 01:47:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 01:47:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 01:47:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 01:47:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 01:47:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:29,666 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2022-07-20 01:47:29,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:47:29,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570090864] [2022-07-20 01:47:29,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570090864] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:47:29,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:47:29,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:47:29,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191340901] [2022-07-20 01:47:29,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:47:29,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:47:29,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:47:29,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:47:29,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:47:29,669 INFO L87 Difference]: Start difference. First operand 17959 states and 24513 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 4 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-20 01:47:32,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:47:32,565 INFO L93 Difference]: Finished difference Result 37286 states and 50829 transitions. [2022-07-20 01:47:32,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 01:47:32,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 4 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 213 [2022-07-20 01:47:32,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:47:32,639 INFO L225 Difference]: With dead ends: 37286 [2022-07-20 01:47:32,639 INFO L226 Difference]: Without dead ends: 19350 [2022-07-20 01:47:32,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:47:32,689 INFO L413 NwaCegarLoop]: 2168 mSDtfsCounter, 2540 mSDsluCounter, 2207 mSDsCounter, 0 mSdLazyCounter, 2376 mSolverCounterSat, 1533 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2642 SdHoareTripleChecker+Valid, 4375 SdHoareTripleChecker+Invalid, 3909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1533 IncrementalHoareTripleChecker+Valid, 2376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:47:32,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2642 Valid, 4375 Invalid, 3909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1533 Valid, 2376 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-20 01:47:32,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19350 states. [2022-07-20 01:47:33,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19350 to 18685. [2022-07-20 01:47:33,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18685 states, 13578 states have (on average 1.2730151716011195) internal successors, (17285), 13811 states have internal predecessors, (17285), 4009 states have call successors, (4009), 1097 states have call predecessors, (4009), 1097 states have return successors, (4073), 3933 states have call predecessors, (4073), 4009 states have call successors, (4073) [2022-07-20 01:47:33,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18685 states to 18685 states and 25367 transitions. [2022-07-20 01:47:33,291 INFO L78 Accepts]: Start accepts. Automaton has 18685 states and 25367 transitions. Word has length 213 [2022-07-20 01:47:33,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:47:33,292 INFO L495 AbstractCegarLoop]: Abstraction has 18685 states and 25367 transitions. [2022-07-20 01:47:33,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 4 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-20 01:47:33,292 INFO L276 IsEmpty]: Start isEmpty. Operand 18685 states and 25367 transitions. [2022-07-20 01:47:33,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-07-20 01:47:33,299 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:47:33,299 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:47:33,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 01:47:33,300 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:47:33,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:47:33,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1568790075, now seen corresponding path program 1 times [2022-07-20 01:47:33,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:47:33,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476098060] [2022-07-20 01:47:33,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:47:33,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:47:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:47:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:47:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:47:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:47:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:47:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:47:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:47:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:47:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:47:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 01:47:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 01:47:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:47:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:47:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 01:47:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 01:47:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 01:47:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 01:47:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:47:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 01:47:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-20 01:47:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 01:47:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-20 01:47:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:47:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 01:47:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 01:47:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:33,625 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2022-07-20 01:47:33,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:47:33,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476098060] [2022-07-20 01:47:33,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476098060] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:47:33,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:47:33,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:47:33,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69909230] [2022-07-20 01:47:33,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:47:33,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:47:33,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:47:33,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:47:33,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:47:33,629 INFO L87 Difference]: Start difference. First operand 18685 states and 25367 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 4 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2022-07-20 01:47:37,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:47:37,451 INFO L93 Difference]: Finished difference Result 51743 states and 70615 transitions. [2022-07-20 01:47:37,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 01:47:37,451 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 4 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 234 [2022-07-20 01:47:37,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:47:37,613 INFO L225 Difference]: With dead ends: 51743 [2022-07-20 01:47:37,613 INFO L226 Difference]: Without dead ends: 33081 [2022-07-20 01:47:37,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:47:37,669 INFO L413 NwaCegarLoop]: 2180 mSDtfsCounter, 4341 mSDsluCounter, 2195 mSDsCounter, 0 mSdLazyCounter, 2728 mSolverCounterSat, 2343 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4544 SdHoareTripleChecker+Valid, 4375 SdHoareTripleChecker+Invalid, 5071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2343 IncrementalHoareTripleChecker+Valid, 2728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:47:37,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4544 Valid, 4375 Invalid, 5071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2343 Valid, 2728 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-20 01:47:37,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33081 states. [2022-07-20 01:47:38,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33081 to 31905. [2022-07-20 01:47:38,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31905 states, 23118 states have (on average 1.2799982697465178) internal successors, (29591), 23544 states have internal predecessors, (29591), 6876 states have call successors, (6876), 1914 states have call predecessors, (6876), 1910 states have return successors, (7004), 6712 states have call predecessors, (7004), 6876 states have call successors, (7004) [2022-07-20 01:47:38,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31905 states to 31905 states and 43471 transitions. [2022-07-20 01:47:38,781 INFO L78 Accepts]: Start accepts. Automaton has 31905 states and 43471 transitions. Word has length 234 [2022-07-20 01:47:38,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:47:38,782 INFO L495 AbstractCegarLoop]: Abstraction has 31905 states and 43471 transitions. [2022-07-20 01:47:38,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 4 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2022-07-20 01:47:38,782 INFO L276 IsEmpty]: Start isEmpty. Operand 31905 states and 43471 transitions. [2022-07-20 01:47:38,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-07-20 01:47:38,788 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:47:38,788 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 9, 9, 9, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:47:38,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 01:47:38,789 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:47:38,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:47:38,789 INFO L85 PathProgramCache]: Analyzing trace with hash -249330732, now seen corresponding path program 1 times [2022-07-20 01:47:38,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:47:38,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419254494] [2022-07-20 01:47:38,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:47:38,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:47:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:47:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:47:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:47:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:47:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:47:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:47:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:47:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:47:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:47:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 01:47:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 01:47:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 01:47:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 01:47:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 01:47:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:38,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 01:47:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:39,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:39,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 01:47:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:39,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 01:47:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:39,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 01:47:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:39,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 01:47:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:39,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 01:47:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:39,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 01:47:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:39,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 01:47:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:39,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 01:47:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:39,033 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-07-20 01:47:39,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:47:39,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419254494] [2022-07-20 01:47:39,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419254494] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:47:39,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:47:39,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 01:47:39,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972891622] [2022-07-20 01:47:39,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:47:39,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 01:47:39,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:47:39,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 01:47:39,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 01:47:39,035 INFO L87 Difference]: Start difference. First operand 31905 states and 43471 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-20 01:47:42,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:47:42,054 INFO L93 Difference]: Finished difference Result 76129 states and 103860 transitions. [2022-07-20 01:47:42,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:47:42,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 242 [2022-07-20 01:47:42,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:47:42,230 INFO L225 Difference]: With dead ends: 76129 [2022-07-20 01:47:42,231 INFO L226 Difference]: Without dead ends: 44303 [2022-07-20 01:47:42,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:47:42,322 INFO L413 NwaCegarLoop]: 2957 mSDtfsCounter, 2198 mSDsluCounter, 2345 mSDsCounter, 0 mSdLazyCounter, 1777 mSolverCounterSat, 756 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2457 SdHoareTripleChecker+Valid, 5302 SdHoareTripleChecker+Invalid, 2533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 756 IncrementalHoareTripleChecker+Valid, 1777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-20 01:47:42,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2457 Valid, 5302 Invalid, 2533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [756 Valid, 1777 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-20 01:47:42,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44303 states. [2022-07-20 01:47:43,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44303 to 42649. [2022-07-20 01:47:43,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42649 states, 30928 states have (on average 1.2764161924469737) internal successors, (39477), 31480 states have internal predecessors, (39477), 9106 states have call successors, (9106), 2618 states have call predecessors, (9106), 2614 states have return successors, (9234), 8906 states have call predecessors, (9234), 9106 states have call successors, (9234) [2022-07-20 01:47:43,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42649 states to 42649 states and 57817 transitions. [2022-07-20 01:47:43,864 INFO L78 Accepts]: Start accepts. Automaton has 42649 states and 57817 transitions. Word has length 242 [2022-07-20 01:47:43,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:47:43,865 INFO L495 AbstractCegarLoop]: Abstraction has 42649 states and 57817 transitions. [2022-07-20 01:47:43,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-20 01:47:43,865 INFO L276 IsEmpty]: Start isEmpty. Operand 42649 states and 57817 transitions. [2022-07-20 01:47:43,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-20 01:47:43,871 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:47:43,872 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:47:43,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 01:47:43,872 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:47:43,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:47:43,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1305360546, now seen corresponding path program 1 times [2022-07-20 01:47:43,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:47:43,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700547049] [2022-07-20 01:47:43,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:47:43,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:47:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:43,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:47:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:43,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:43,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:47:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:43,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:43,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:47:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:43,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:43,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:47:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:47:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:47:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:47:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:47:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:47:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 01:47:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 01:47:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 01:47:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 01:47:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 01:47:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 01:47:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 01:47:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:47:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 01:47:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 01:47:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 01:47:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 01:47:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-20 01:47:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 01:47:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 01:47:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 01:47:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-20 01:47:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-20 01:47:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 01:47:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:44,167 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2022-07-20 01:47:44,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:47:44,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700547049] [2022-07-20 01:47:44,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700547049] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:47:44,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:47:44,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:47:44,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524778413] [2022-07-20 01:47:44,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:47:44,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:47:44,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:47:44,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:47:44,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:47:44,170 INFO L87 Difference]: Start difference. First operand 42649 states and 57817 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-20 01:47:49,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:47:49,533 INFO L93 Difference]: Finished difference Result 128957 states and 175344 transitions. [2022-07-20 01:47:49,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 01:47:49,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 269 [2022-07-20 01:47:49,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:47:49,874 INFO L225 Difference]: With dead ends: 128957 [2022-07-20 01:47:49,874 INFO L226 Difference]: Without dead ends: 86387 [2022-07-20 01:47:49,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:47:49,977 INFO L413 NwaCegarLoop]: 3924 mSDtfsCounter, 3214 mSDsluCounter, 3493 mSDsCounter, 0 mSdLazyCounter, 2910 mSolverCounterSat, 1725 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3445 SdHoareTripleChecker+Valid, 7417 SdHoareTripleChecker+Invalid, 4635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1725 IncrementalHoareTripleChecker+Valid, 2910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-20 01:47:49,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3445 Valid, 7417 Invalid, 4635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1725 Valid, 2910 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-20 01:47:50,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86387 states. [2022-07-20 01:47:52,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86387 to 83057. [2022-07-20 01:47:52,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83057 states, 60346 states have (on average 1.2776820336062042) internal successors, (77103), 61370 states have internal predecessors, (77103), 17626 states have call successors, (17626), 5092 states have call predecessors, (17626), 5084 states have return successors, (17882), 17306 states have call predecessors, (17882), 17626 states have call successors, (17882) [2022-07-20 01:47:52,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83057 states to 83057 states and 112611 transitions. [2022-07-20 01:47:52,440 INFO L78 Accepts]: Start accepts. Automaton has 83057 states and 112611 transitions. Word has length 269 [2022-07-20 01:47:52,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:47:52,441 INFO L495 AbstractCegarLoop]: Abstraction has 83057 states and 112611 transitions. [2022-07-20 01:47:52,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-20 01:47:52,441 INFO L276 IsEmpty]: Start isEmpty. Operand 83057 states and 112611 transitions. [2022-07-20 01:47:52,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-20 01:47:52,449 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:47:52,449 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:47:52,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 01:47:52,450 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:47:52,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:47:52,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1342243808, now seen corresponding path program 1 times [2022-07-20 01:47:52,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:47:52,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798628227] [2022-07-20 01:47:52,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:47:52,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:47:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:47:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:47:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:47:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:47:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:47:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:47:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:47:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:47:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:47:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 01:47:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 01:47:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 01:47:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 01:47:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 01:47:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 01:47:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 01:47:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:47:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 01:47:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 01:47:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 01:47:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 01:47:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-20 01:47:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 01:47:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 01:47:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 01:47:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-20 01:47:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-20 01:47:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 01:47:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:52,672 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2022-07-20 01:47:52,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:47:52,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798628227] [2022-07-20 01:47:52,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798628227] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:47:52,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:47:52,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:47:52,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937752018] [2022-07-20 01:47:52,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:47:52,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:47:52,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:47:52,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:47:52,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:47:52,676 INFO L87 Difference]: Start difference. First operand 83057 states and 112611 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-20 01:47:58,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:47:58,814 INFO L93 Difference]: Finished difference Result 211481 states and 287405 transitions. [2022-07-20 01:47:58,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 01:47:58,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 269 [2022-07-20 01:47:58,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:47:59,579 INFO L225 Difference]: With dead ends: 211481 [2022-07-20 01:47:59,579 INFO L226 Difference]: Without dead ends: 127982 [2022-07-20 01:47:59,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:47:59,774 INFO L413 NwaCegarLoop]: 2742 mSDtfsCounter, 3990 mSDsluCounter, 2480 mSDsCounter, 0 mSdLazyCounter, 2801 mSolverCounterSat, 2196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4218 SdHoareTripleChecker+Valid, 5222 SdHoareTripleChecker+Invalid, 4997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2196 IncrementalHoareTripleChecker+Valid, 2801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-20 01:47:59,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4218 Valid, 5222 Invalid, 4997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2196 Valid, 2801 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-20 01:47:59,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127982 states. [2022-07-20 01:48:03,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127982 to 123008. [2022-07-20 01:48:03,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123008 states, 89355 states have (on average 1.2785742264003133) internal successors, (114247), 90852 states have internal predecessors, (114247), 26113 states have call successors, (26113), 7554 states have call predecessors, (26113), 7539 states have return successors, (26493), 25669 states have call predecessors, (26493), 26109 states have call successors, (26493) [2022-07-20 01:48:03,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123008 states to 123008 states and 166853 transitions. [2022-07-20 01:48:03,636 INFO L78 Accepts]: Start accepts. Automaton has 123008 states and 166853 transitions. Word has length 269 [2022-07-20 01:48:03,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:48:03,636 INFO L495 AbstractCegarLoop]: Abstraction has 123008 states and 166853 transitions. [2022-07-20 01:48:03,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-20 01:48:03,637 INFO L276 IsEmpty]: Start isEmpty. Operand 123008 states and 166853 transitions. [2022-07-20 01:48:03,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-07-20 01:48:03,645 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:48:03,646 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:48:03,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 01:48:03,646 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:48:03,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:48:03,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1940344733, now seen corresponding path program 1 times [2022-07-20 01:48:03,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:48:03,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320299919] [2022-07-20 01:48:03,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:48:03,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:48:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:03,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:48:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:03,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:03,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:48:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:03,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:03,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:48:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:03,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:03,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:48:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:03,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:03,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:48:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:03,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:03,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:48:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:03,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:48:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:48:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:48:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 01:48:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 01:48:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 01:48:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 01:48:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 01:48:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 01:48:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 01:48:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-20 01:48:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 01:48:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 01:48:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 01:48:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 01:48:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 01:48:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 01:48:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-20 01:48:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 01:48:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-20 01:48:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 01:48:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 01:48:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 01:48:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 01:48:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-20 01:48:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:04,115 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2022-07-20 01:48:04,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:48:04,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320299919] [2022-07-20 01:48:04,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320299919] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:48:04,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:48:04,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:48:04,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075772546] [2022-07-20 01:48:04,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:48:04,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:48:04,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:48:04,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:48:04,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:48:04,118 INFO L87 Difference]: Start difference. First operand 123008 states and 166853 transitions. Second operand has 5 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 4 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2022-07-20 01:48:11,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:48:11,478 INFO L93 Difference]: Finished difference Result 292835 states and 397950 transitions. [2022-07-20 01:48:11,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 01:48:11,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 4 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) Word has length 293 [2022-07-20 01:48:11,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:48:12,243 INFO L225 Difference]: With dead ends: 292835 [2022-07-20 01:48:12,244 INFO L226 Difference]: Without dead ends: 169577 [2022-07-20 01:48:12,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:48:12,560 INFO L413 NwaCegarLoop]: 3464 mSDtfsCounter, 3837 mSDsluCounter, 3365 mSDsCounter, 0 mSdLazyCounter, 2854 mSolverCounterSat, 1918 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4065 SdHoareTripleChecker+Valid, 6829 SdHoareTripleChecker+Invalid, 4772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1918 IncrementalHoareTripleChecker+Valid, 2854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:48:12,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4065 Valid, 6829 Invalid, 4772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1918 Valid, 2854 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-20 01:48:12,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169577 states. [2022-07-20 01:48:16,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169577 to 123008. [2022-07-20 01:48:16,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123008 states, 89355 states have (on average 1.2785630350847743) internal successors, (114246), 90852 states have internal predecessors, (114246), 26113 states have call successors, (26113), 7554 states have call predecessors, (26113), 7539 states have return successors, (26493), 25669 states have call predecessors, (26493), 26109 states have call successors, (26493) [2022-07-20 01:48:17,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123008 states to 123008 states and 166852 transitions. [2022-07-20 01:48:17,220 INFO L78 Accepts]: Start accepts. Automaton has 123008 states and 166852 transitions. Word has length 293 [2022-07-20 01:48:17,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:48:17,221 INFO L495 AbstractCegarLoop]: Abstraction has 123008 states and 166852 transitions. [2022-07-20 01:48:17,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 4 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2022-07-20 01:48:17,221 INFO L276 IsEmpty]: Start isEmpty. Operand 123008 states and 166852 transitions. [2022-07-20 01:48:17,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-07-20 01:48:17,230 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:48:17,231 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:48:17,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 01:48:17,231 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:48:17,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:48:17,231 INFO L85 PathProgramCache]: Analyzing trace with hash 707259621, now seen corresponding path program 1 times [2022-07-20 01:48:17,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:48:17,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189655810] [2022-07-20 01:48:17,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:48:17,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:48:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:48:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:48:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:48:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:48:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:48:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:48:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:48:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:48:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:48:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 01:48:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 01:48:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 01:48:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 01:48:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 01:48:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 01:48:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 01:48:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-20 01:48:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 01:48:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 01:48:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 01:48:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 01:48:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 01:48:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 01:48:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-20 01:48:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 01:48:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-20 01:48:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 01:48:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 01:48:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 01:48:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 01:48:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-20 01:48:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:17,535 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 764 trivial. 0 not checked. [2022-07-20 01:48:17,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:48:17,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189655810] [2022-07-20 01:48:17,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189655810] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:48:17,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:48:17,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:48:17,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887023929] [2022-07-20 01:48:17,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:48:17,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:48:17,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:48:17,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:48:17,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:48:17,538 INFO L87 Difference]: Start difference. First operand 123008 states and 166852 transitions. Second operand has 6 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-20 01:48:23,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:48:23,718 INFO L93 Difference]: Finished difference Result 250909 states and 342680 transitions. [2022-07-20 01:48:23,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 01:48:23,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 293 [2022-07-20 01:48:23,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:48:24,243 INFO L225 Difference]: With dead ends: 250909 [2022-07-20 01:48:24,243 INFO L226 Difference]: Without dead ends: 127980 [2022-07-20 01:48:24,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:48:24,576 INFO L413 NwaCegarLoop]: 2025 mSDtfsCounter, 3148 mSDsluCounter, 2069 mSDsCounter, 0 mSdLazyCounter, 2322 mSolverCounterSat, 1444 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3313 SdHoareTripleChecker+Valid, 4094 SdHoareTripleChecker+Invalid, 3766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1444 IncrementalHoareTripleChecker+Valid, 2322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:48:24,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3313 Valid, 4094 Invalid, 3766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1444 Valid, 2322 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-20 01:48:24,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127980 states.