./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-hp-hp100.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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-hp-hp100.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 c76818fb304a0b40bd70831524c213fb48469a57ba59c902bf604bd33d1e93eb --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 02:25:48,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:25:48,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:25:48,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:25:48,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:25:48,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:25:48,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:25:48,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:25:48,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:25:48,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:25:48,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:25:48,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:25:48,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:25:48,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:25:48,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:25:48,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:25:48,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:25:48,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:25:48,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:25:48,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:25:48,913 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:25:48,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:25:48,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:25:48,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:25:48,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:25:48,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:25:48,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:25:48,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:25:48,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:25:48,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:25:48,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:25:48,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:25:48,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:25:48,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:25:48,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:25:48,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:25:48,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:25:48,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:25:48,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:25:48,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:25:48,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:25:48,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:25:48,937 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 02:25:48,954 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:25:48,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:25:48,955 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:25:48,955 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:25:48,956 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:25:48,956 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:25:48,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:25:48,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:25:48,957 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:25:48,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:25:48,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 02:25:48,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:25:48,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:25:48,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:25:48,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:25:48,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:25:48,958 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:25:48,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:25:48,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:25:48,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:25:48,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:25:48,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:25:48,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:25:48,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:25:48,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:25:48,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 02:25:48,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 02:25:48,960 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:25:48,960 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:25:48,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:25:48,961 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c76818fb304a0b40bd70831524c213fb48469a57ba59c902bf604bd33d1e93eb [2022-07-14 02:25:49,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:25:49,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:25:49,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:25:49,189 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:25:49,190 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:25:49,191 INFO L432 ainManager$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-hp-hp100.cil.i [2022-07-14 02:25:49,254 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1273510dd/6fe928b957d1421a8292ec403f392bb0/FLAG4ce20d0e8 [2022-07-14 02:25:49,981 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:25:49,982 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-hp-hp100.cil.i [2022-07-14 02:25:50,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1273510dd/6fe928b957d1421a8292ec403f392bb0/FLAG4ce20d0e8 [2022-07-14 02:25:50,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1273510dd/6fe928b957d1421a8292ec403f392bb0 [2022-07-14 02:25:50,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:25:50,053 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:25:50,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:25:50,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:25:50,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:25:50,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:25:50" (1/1) ... [2022-07-14 02:25:50,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d76968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:50, skipping insertion in model container [2022-07-14 02:25:50,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:25:50" (1/1) ... [2022-07-14 02:25:50,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:25:50,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:25:52,668 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-hp-hp100.cil.i[315653,315666] [2022-07-14 02:25:52,673 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-hp-hp100.cil.i[315798,315811] [2022-07-14 02:25:52,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:25:52,760 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:25:53,023 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-hp-hp100.cil.i[315653,315666] [2022-07-14 02:25:53,024 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-hp-hp100.cil.i[315798,315811] [2022-07-14 02:25:53,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:25:53,177 INFO L208 MainTranslator]: Completed translation [2022-07-14 02:25:53,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:53 WrapperNode [2022-07-14 02:25:53,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 02:25:53,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 02:25:53,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 02:25:53,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 02:25:53,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:53" (1/1) ... [2022-07-14 02:25:53,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:53" (1/1) ... [2022-07-14 02:25:53,462 INFO L137 Inliner]: procedures = 390, calls = 1855, calls flagged for inlining = 177, calls inlined = 157, statements flattened = 4389 [2022-07-14 02:25:53,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 02:25:53,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 02:25:53,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 02:25:53,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 02:25:53,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:53" (1/1) ... [2022-07-14 02:25:53,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:53" (1/1) ... [2022-07-14 02:25:53,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:53" (1/1) ... [2022-07-14 02:25:53,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:53" (1/1) ... [2022-07-14 02:25:53,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:53" (1/1) ... [2022-07-14 02:25:53,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:53" (1/1) ... [2022-07-14 02:25:53,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:53" (1/1) ... [2022-07-14 02:25:53,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 02:25:53,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 02:25:53,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 02:25:53,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 02:25:53,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:53" (1/1) ... [2022-07-14 02:25:53,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:25:53,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:25:53,697 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) [2022-07-14 02:25:53,720 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 [2022-07-14 02:25:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 02:25:53,741 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 02:25:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-14 02:25:53,741 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-14 02:25:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_89 [2022-07-14 02:25:53,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_89 [2022-07-14 02:25:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 02:25:53,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 02:25:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 02:25:53,742 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 02:25:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2022-07-14 02:25:53,742 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2022-07-14 02:25:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_open [2022-07-14 02:25:53,743 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_open [2022-07-14 02:25:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_load_eeprom [2022-07-14 02:25:53,743 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_load_eeprom [2022-07-14 02:25:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-14 02:25:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_sense_lan [2022-07-14 02:25:53,743 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_sense_lan [2022-07-14 02:25:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 02:25:53,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 02:25:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-14 02:25:53,744 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-14 02:25:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 02:25:53,744 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 02:25:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 02:25:53,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 02:25:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 02:25:53,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 02:25:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 02:25:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-14 02:25:53,745 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-14 02:25:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-07-14 02:25:53,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-07-14 02:25:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_103 [2022-07-14 02:25:53,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_103 [2022-07-14 02:25:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 02:25:53,746 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 02:25:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_cascade_reset [2022-07-14 02:25:53,747 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_cascade_reset [2022-07-14 02:25:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 02:25:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 02:25:53,747 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 02:25:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 02:25:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 02:25:53,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 02:25:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 02:25:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 02:25:53,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 02:25:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 02:25:53,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 02:25:53,750 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rx_bm [2022-07-14 02:25:53,750 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rx_bm [2022-07-14 02:25:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_BM_shutdown [2022-07-14 02:25:53,751 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_BM_shutdown [2022-07-14 02:25:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 02:25:53,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 02:25:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 02:25:53,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 02:25:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 02:25:53,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 02:25:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure wait [2022-07-14 02:25:53,753 INFO L138 BoogieDeclarations]: Found implementation of procedure wait [2022-07-14 02:25:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 02:25:53,753 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 02:25:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_hwinit [2022-07-14 02:25:53,753 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_hwinit [2022-07-14 02:25:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 02:25:53,754 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 02:25:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_whatever [2022-07-14 02:25:53,754 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_whatever [2022-07-14 02:25:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_close [2022-07-14 02:25:53,755 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_close [2022-07-14 02:25:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 02:25:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_stop_interface [2022-07-14 02:25:53,755 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_stop_interface [2022-07-14 02:25:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_check_lan [2022-07-14 02:25:53,755 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_check_lan [2022-07-14 02:25:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 02:25:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 02:25:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 02:25:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 02:25:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 02:25:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 02:25:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 02:25:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 02:25:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 02:25:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 02:25:53,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 02:25:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 02:25:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 02:25:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-14 02:25:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-14 02:25:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-14 02:25:53,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-14 02:25:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-14 02:25:53,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-14 02:25:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rxfill [2022-07-14 02:25:53,759 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rxfill [2022-07-14 02:25:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 02:25:53,760 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 02:25:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-14 02:25:53,760 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-14 02:25:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 02:25:53,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 02:25:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 02:25:53,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 02:25:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_update_stats [2022-07-14 02:25:53,761 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_update_stats [2022-07-14 02:25:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 02:25:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 02:25:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 02:25:53,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 02:25:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 02:25:53,762 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 02:25:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 02:25:53,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 02:25:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 02:25:53,765 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 02:25:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 02:25:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 02:25:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 02:25:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-14 02:25:53,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-14 02:25:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-07-14 02:25:53,766 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-07-14 02:25:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 02:25:53,766 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 02:25:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-14 02:25:53,766 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-14 02:25:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 02:25:53,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 02:25:53,767 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-14 02:25:53,767 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-14 02:25:53,767 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_pci_remove [2022-07-14 02:25:53,767 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_pci_remove [2022-07-14 02:25:53,767 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_build_rx_pdl [2022-07-14 02:25:53,767 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_build_rx_pdl [2022-07-14 02:25:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-14 02:25:53,768 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-14 02:25:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 02:25:53,768 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 02:25:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-14 02:25:53,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-14 02:25:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_hp100_private [2022-07-14 02:25:53,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_hp100_private [2022-07-14 02:25:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 02:25:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-14 02:25:53,769 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-14 02:25:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 02:25:53,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 02:25:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_hp100_private [2022-07-14 02:25:53,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_hp100_private [2022-07-14 02:25:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-07-14 02:25:53,770 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-07-14 02:25:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-14 02:25:53,770 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-14 02:25:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 02:25:53,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 02:25:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_set_multicast_list [2022-07-14 02:25:53,770 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_set_multicast_list [2022-07-14 02:25:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_start_interface [2022-07-14 02:25:53,771 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_start_interface [2022-07-14 02:25:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-14 02:25:53,771 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-14 02:25:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_clean_txring [2022-07-14 02:25:53,771 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_clean_txring [2022-07-14 02:25:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-14 02:25:53,772 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-14 02:25:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 02:25:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-07-14 02:25:53,772 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-07-14 02:25:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 02:25:53,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 02:25:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_login_to_vg_hub [2022-07-14 02:25:53,773 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_login_to_vg_hub [2022-07-14 02:25:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-07-14 02:25:53,773 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-07-14 02:25:54,550 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 02:25:54,555 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 02:25:54,835 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 02:25:59,718 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 02:25:59,719 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-14 02:25:59,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L8566-1: assume -9223372036854775808 <= #t~ret695#1 && #t~ret695#1 <= 9223372036854775807;havoc #t~ret695#1; [2022-07-14 02:25:59,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L8566: SUMMARY for call #t~ret695#1 := schedule_timeout_interruptible(1); srcloc: null [2022-07-14 02:25:59,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume 0 == (if 0 == ~tmp___4~7#1 then 0 else (if 1 == ~tmp___4~7#1 then 0 else ~bitwiseAnd(~tmp___4~7#1, 2096896))) % 18446744073709551616; [2022-07-14 02:25:59,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !(0 == (if 0 == ~tmp___4~7#1 then 0 else (if 1 == ~tmp___4~7#1 then 0 else ~bitwiseAnd(~tmp___4~7#1, 2096896))) % 18446744073709551616); [2022-07-14 02:25:59,902 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L8570: assume (if (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 else (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0; [2022-07-14 02:25:59,902 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L8570: assume !((if (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 else (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0); [2022-07-14 02:25:59,967 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 02:25:59,995 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 02:25:59,995 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-14 02:26:00,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:25:59 BoogieIcfgContainer [2022-07-14 02:26:00,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 02:26:00,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 02:26:00,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 02:26:00,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 02:26:00,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:25:50" (1/3) ... [2022-07-14 02:26:00,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d733a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:26:00, skipping insertion in model container [2022-07-14 02:26:00,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:53" (2/3) ... [2022-07-14 02:26:00,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d733a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:26:00, skipping insertion in model container [2022-07-14 02:26:00,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:25:59" (3/3) ... [2022-07-14 02:26:00,012 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i [2022-07-14 02:26:00,027 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 02:26:00,028 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 02:26:00,127 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 02:26:00,134 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@417a7b04, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@55d44737 [2022-07-14 02:26:00,134 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 02:26:00,145 INFO L276 IsEmpty]: Start isEmpty. Operand has 1805 states, 1157 states have (on average 1.3267070008643043) internal successors, (1535), 1205 states have internal predecessors, (1535), 569 states have call successors, (569), 80 states have call predecessors, (569), 79 states have return successors, (564), 548 states have call predecessors, (564), 564 states have call successors, (564) [2022-07-14 02:26:00,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-14 02:26:00,175 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:26:00,176 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 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] [2022-07-14 02:26:00,176 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:26:00,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:26:00,181 INFO L85 PathProgramCache]: Analyzing trace with hash 861348699, now seen corresponding path program 1 times [2022-07-14 02:26:00,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:26:00,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056941023] [2022-07-14 02:26:00,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:26:00,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:26:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:26:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:26:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:26:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:26:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-14 02:26:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-14 02:26:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-14 02:26:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 02:26:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 02:26:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-14 02:26:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-14 02:26:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 02:26:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 02:26:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-14 02:26:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,960 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-14 02:26:00,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:26:00,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056941023] [2022-07-14 02:26:00,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056941023] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:26:00,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:26:00,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:26:00,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780210524] [2022-07-14 02:26:00,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:26:00,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:26:00,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:26:01,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:26:01,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:26:01,008 INFO L87 Difference]: Start difference. First operand has 1805 states, 1157 states have (on average 1.3267070008643043) internal successors, (1535), 1205 states have internal predecessors, (1535), 569 states have call successors, (569), 80 states have call predecessors, (569), 79 states have return successors, (564), 548 states have call predecessors, (564), 564 states have call successors, (564) Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 4 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2022-07-14 02:26:04,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:26:09,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:26:09,350 INFO L93 Difference]: Finished difference Result 5270 states and 7957 transitions. [2022-07-14 02:26:09,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 02:26:09,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 4 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 128 [2022-07-14 02:26:09,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:26:09,412 INFO L225 Difference]: With dead ends: 5270 [2022-07-14 02:26:09,413 INFO L226 Difference]: Without dead ends: 3410 [2022-07-14 02:26:09,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-14 02:26:09,439 INFO L413 NwaCegarLoop]: 2825 mSDtfsCounter, 4049 mSDsluCounter, 2511 mSDsCounter, 0 mSdLazyCounter, 3334 mSolverCounterSat, 3963 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4261 SdHoareTripleChecker+Valid, 5336 SdHoareTripleChecker+Invalid, 7297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3963 IncrementalHoareTripleChecker+Valid, 3334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-07-14 02:26:09,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4261 Valid, 5336 Invalid, 7297 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3963 Valid, 3334 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2022-07-14 02:26:09,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2022-07-14 02:26:09,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 3285. [2022-07-14 02:26:09,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3285 states, 2105 states have (on average 1.2897862232779098) internal successors, (2715), 2195 states have internal predecessors, (2715), 1030 states have call successors, (1030), 148 states have call predecessors, (1030), 149 states have return successors, (1042), 995 states have call predecessors, (1042), 1030 states have call successors, (1042) [2022-07-14 02:26:09,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3285 states to 3285 states and 4787 transitions. [2022-07-14 02:26:09,795 INFO L78 Accepts]: Start accepts. Automaton has 3285 states and 4787 transitions. Word has length 128 [2022-07-14 02:26:09,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:26:09,796 INFO L495 AbstractCegarLoop]: Abstraction has 3285 states and 4787 transitions. [2022-07-14 02:26:09,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 4 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2022-07-14 02:26:09,796 INFO L276 IsEmpty]: Start isEmpty. Operand 3285 states and 4787 transitions. [2022-07-14 02:26:09,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-14 02:26:09,811 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:26:09,812 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-07-14 02:26:09,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 02:26:09,813 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:26:09,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:26:09,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1043063430, now seen corresponding path program 1 times [2022-07-14 02:26:09,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:26:09,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118009185] [2022-07-14 02:26:09,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:26:09,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:26:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:09,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:26:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:09,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:09,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:26:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:26:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:26:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-14 02:26:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:26:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:26:10,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:26:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 02:26:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-14 02:26:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:26:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-14 02:26:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 02:26:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 02:26:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 02:26:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-14 02:26:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-14 02:26:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-14 02:26:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 02:26:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 02:26:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:10,228 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-14 02:26:10,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:26:10,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118009185] [2022-07-14 02:26:10,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118009185] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:26:10,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:26:10,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:26:10,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123326969] [2022-07-14 02:26:10,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:26:10,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:26:10,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:26:10,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:26:10,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:26:10,237 INFO L87 Difference]: Start difference. First operand 3285 states and 4787 transitions. Second operand has 6 states, 5 states have (on average 21.6) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-14 02:26:20,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:26:20,459 INFO L93 Difference]: Finished difference Result 8959 states and 13160 transitions. [2022-07-14 02:26:20,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 02:26:20,461 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 194 [2022-07-14 02:26:20,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:26:20,507 INFO L225 Difference]: With dead ends: 8959 [2022-07-14 02:26:20,508 INFO L226 Difference]: Without dead ends: 5687 [2022-07-14 02:26:20,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-14 02:26:20,528 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 2796 mSDsluCounter, 2780 mSDsCounter, 0 mSdLazyCounter, 4339 mSolverCounterSat, 1898 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3230 SdHoareTripleChecker+Valid, 5062 SdHoareTripleChecker+Invalid, 6237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1898 IncrementalHoareTripleChecker+Valid, 4339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-07-14 02:26:20,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3230 Valid, 5062 Invalid, 6237 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1898 Valid, 4339 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2022-07-14 02:26:20,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5687 states. [2022-07-14 02:26:20,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5687 to 5122. [2022-07-14 02:26:20,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5122 states, 3273 states have (on average 1.2899480598838986) internal successors, (4222), 3416 states have internal predecessors, (4222), 1600 states have call successors, (1600), 246 states have call predecessors, (1600), 248 states have return successors, (1614), 1547 states have call predecessors, (1614), 1600 states have call successors, (1614) [2022-07-14 02:26:20,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5122 states to 5122 states and 7436 transitions. [2022-07-14 02:26:20,937 INFO L78 Accepts]: Start accepts. Automaton has 5122 states and 7436 transitions. Word has length 194 [2022-07-14 02:26:20,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:26:20,937 INFO L495 AbstractCegarLoop]: Abstraction has 5122 states and 7436 transitions. [2022-07-14 02:26:20,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-14 02:26:20,938 INFO L276 IsEmpty]: Start isEmpty. Operand 5122 states and 7436 transitions. [2022-07-14 02:26:20,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-07-14 02:26:20,953 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:26:20,953 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:26:20,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 02:26:20,954 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:26:20,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:26:20,954 INFO L85 PathProgramCache]: Analyzing trace with hash 91197712, now seen corresponding path program 1 times [2022-07-14 02:26:20,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:26:20,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700136384] [2022-07-14 02:26:20,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:26:20,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:26:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:26:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:26:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:26:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:26:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-14 02:26:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:26:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 02:26:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-14 02:26:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-14 02:26:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 02:26:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:26:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 02:26:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 02:26:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:26:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 02:26:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:26:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:26:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-14 02:26:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 02:26:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 02:26:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-14 02:26:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 02:26:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 02:26:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 02:26:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-14 02:26:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-14 02:26:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-14 02:26:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 02:26:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-14 02:26:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-14 02:26:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-14 02:26:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 02:26:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-14 02:26:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 02:26:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-14 02:26:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:21,383 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2022-07-14 02:26:21,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:26:21,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700136384] [2022-07-14 02:26:21,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700136384] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:26:21,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:26:21,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:26:21,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962309067] [2022-07-14 02:26:21,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:26:21,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:26:21,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:26:21,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:26:21,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:26:21,387 INFO L87 Difference]: Start difference. First operand 5122 states and 7436 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 4 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2022-07-14 02:26:27,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:26:27,622 INFO L93 Difference]: Finished difference Result 14115 states and 20474 transitions. [2022-07-14 02:26:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 02:26:27,622 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 4 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) Word has length 244 [2022-07-14 02:26:27,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:26:27,689 INFO L225 Difference]: With dead ends: 14115 [2022-07-14 02:26:27,689 INFO L226 Difference]: Without dead ends: 9006 [2022-07-14 02:26:27,720 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 [2022-07-14 02:26:27,725 INFO L413 NwaCegarLoop]: 2401 mSDtfsCounter, 4634 mSDsluCounter, 2310 mSDsCounter, 0 mSdLazyCounter, 3296 mSolverCounterSat, 4113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4848 SdHoareTripleChecker+Valid, 4711 SdHoareTripleChecker+Invalid, 7409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4113 IncrementalHoareTripleChecker+Valid, 3296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-07-14 02:26:27,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4848 Valid, 4711 Invalid, 7409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4113 Valid, 3296 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-07-14 02:26:27,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9006 states. [2022-07-14 02:26:28,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9006 to 8576. [2022-07-14 02:26:28,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8576 states, 5522 states have (on average 1.2834118073161898) internal successors, (7087), 5758 states have internal predecessors, (7087), 2625 states have call successors, (2625), 426 states have call predecessors, (2625), 428 states have return successors, (2653), 2534 states have call predecessors, (2653), 2625 states have call successors, (2653) [2022-07-14 02:26:28,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8576 states to 8576 states and 12365 transitions. [2022-07-14 02:26:28,441 INFO L78 Accepts]: Start accepts. Automaton has 8576 states and 12365 transitions. Word has length 244 [2022-07-14 02:26:28,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:26:28,442 INFO L495 AbstractCegarLoop]: Abstraction has 8576 states and 12365 transitions. [2022-07-14 02:26:28,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 4 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2022-07-14 02:26:28,443 INFO L276 IsEmpty]: Start isEmpty. Operand 8576 states and 12365 transitions. [2022-07-14 02:26:28,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-07-14 02:26:28,453 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:26:28,454 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 7, 7, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:26:28,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 02:26:28,454 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:26:28,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:26:28,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1364980547, now seen corresponding path program 1 times [2022-07-14 02:26:28,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:26:28,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064390357] [2022-07-14 02:26:28,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:26:28,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:26:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:26:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:26:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:26:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:26:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-14 02:26:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 02:26:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:26:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 02:26:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 02:26:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:26:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-14 02:26:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-14 02:26:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-14 02:26:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:26:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:26:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 02:26:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-14 02:26:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 02:26:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 02:26:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-14 02:26:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 02:26:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 02:26:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 02:26:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 02:26:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-14 02:26:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 02:26:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-14 02:26:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:28,888 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-07-14 02:26:28,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:26:28,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064390357] [2022-07-14 02:26:28,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064390357] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:26:28,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:26:28,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:26:28,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43474674] [2022-07-14 02:26:28,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:26:28,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:26:28,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:26:28,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:26:28,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:26:28,891 INFO L87 Difference]: Start difference. First operand 8576 states and 12365 transitions. Second operand has 6 states, 5 states have (on average 27.2) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-14 02:26:38,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:26:38,445 INFO L93 Difference]: Finished difference Result 20832 states and 30234 transitions. [2022-07-14 02:26:38,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 02:26:38,446 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 256 [2022-07-14 02:26:38,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:26:38,544 INFO L225 Difference]: With dead ends: 20832 [2022-07-14 02:26:38,544 INFO L226 Difference]: Without dead ends: 12269 [2022-07-14 02:26:38,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-14 02:26:38,597 INFO L413 NwaCegarLoop]: 3329 mSDtfsCounter, 2189 mSDsluCounter, 3638 mSDsCounter, 0 mSdLazyCounter, 4654 mSolverCounterSat, 1576 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2627 SdHoareTripleChecker+Valid, 6967 SdHoareTripleChecker+Invalid, 6230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1576 IncrementalHoareTripleChecker+Valid, 4654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:26:38,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2627 Valid, 6967 Invalid, 6230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1576 Valid, 4654 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-07-14 02:26:38,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12269 states. [2022-07-14 02:26:39,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12269 to 10943. [2022-07-14 02:26:39,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10943 states, 7068 states have (on average 1.2805602716468591) internal successors, (9051), 7365 states have internal predecessors, (9051), 3304 states have call successors, (3304), 568 states have call predecessors, (3304), 570 states have return successors, (3332), 3193 states have call predecessors, (3332), 3304 states have call successors, (3332) [2022-07-14 02:26:39,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10943 states to 10943 states and 15687 transitions. [2022-07-14 02:26:39,470 INFO L78 Accepts]: Start accepts. Automaton has 10943 states and 15687 transitions. Word has length 256 [2022-07-14 02:26:39,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:26:39,471 INFO L495 AbstractCegarLoop]: Abstraction has 10943 states and 15687 transitions. [2022-07-14 02:26:39,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-14 02:26:39,472 INFO L276 IsEmpty]: Start isEmpty. Operand 10943 states and 15687 transitions. [2022-07-14 02:26:39,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-07-14 02:26:39,485 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:26:39,485 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:26:39,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 02:26:39,486 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:26:39,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:26:39,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1000359159, now seen corresponding path program 1 times [2022-07-14 02:26:39,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:26:39,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022428695] [2022-07-14 02:26:39,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:26:39,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:26:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:26:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:26:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:26:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:26:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-14 02:26:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 02:26:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:26:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 02:26:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 02:26:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:26:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-14 02:26:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-14 02:26:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 02:26:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:26:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:26:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 02:26:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:26:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:26:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:26:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 02:26:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-14 02:26:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:26:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:26:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 02:26:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-14 02:26:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-14 02:26:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:39,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-14 02:26:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:40,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-14 02:26:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:40,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 02:26:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:40,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 02:26:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:40,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-14 02:26:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:40,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-14 02:26:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:40,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-14 02:26:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:40,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-14 02:26:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:40,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-14 02:26:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:40,054 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-07-14 02:26:40,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:26:40,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022428695] [2022-07-14 02:26:40,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022428695] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:26:40,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:26:40,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:26:40,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261902597] [2022-07-14 02:26:40,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:26:40,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:26:40,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:26:40,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:26:40,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:26:40,057 INFO L87 Difference]: Start difference. First operand 10943 states and 15687 transitions. Second operand has 6 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-14 02:26:49,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:26:49,541 INFO L93 Difference]: Finished difference Result 25876 states and 37364 transitions. [2022-07-14 02:26:49,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 02:26:49,542 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) Word has length 331 [2022-07-14 02:26:49,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:26:49,612 INFO L225 Difference]: With dead ends: 25876 [2022-07-14 02:26:49,612 INFO L226 Difference]: Without dead ends: 14946 [2022-07-14 02:26:49,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-14 02:26:49,648 INFO L413 NwaCegarLoop]: 3328 mSDtfsCounter, 2186 mSDsluCounter, 3647 mSDsCounter, 0 mSdLazyCounter, 4625 mSolverCounterSat, 1566 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2627 SdHoareTripleChecker+Valid, 6975 SdHoareTripleChecker+Invalid, 6191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1566 IncrementalHoareTripleChecker+Valid, 4625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-07-14 02:26:49,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2627 Valid, 6975 Invalid, 6191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1566 Valid, 4625 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-07-14 02:26:49,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14946 states. [2022-07-14 02:26:50,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14946 to 13275. [2022-07-14 02:26:50,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13275 states, 8592 states have (on average 1.2794459962756053) internal successors, (10993), 8950 states have internal predecessors, (10993), 3971 states have call successors, (3971), 709 states have call predecessors, (3971), 711 states have return successors, (3999), 3840 states have call predecessors, (3999), 3971 states have call successors, (3999) [2022-07-14 02:26:50,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13275 states to 13275 states and 18963 transitions. [2022-07-14 02:26:50,761 INFO L78 Accepts]: Start accepts. Automaton has 13275 states and 18963 transitions. Word has length 331 [2022-07-14 02:26:50,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:26:50,762 INFO L495 AbstractCegarLoop]: Abstraction has 13275 states and 18963 transitions. [2022-07-14 02:26:50,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-14 02:26:50,763 INFO L276 IsEmpty]: Start isEmpty. Operand 13275 states and 18963 transitions. [2022-07-14 02:26:50,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-07-14 02:26:50,776 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:26:50,776 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:26:50,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 02:26:50,777 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:26:50,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:26:50,778 INFO L85 PathProgramCache]: Analyzing trace with hash -331089936, now seen corresponding path program 1 times [2022-07-14 02:26:50,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:26:50,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122624608] [2022-07-14 02:26:50,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:26:50,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:26:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:50,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:26:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:50,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:50,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:26:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:50,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:50,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:26:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:50,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:50,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:26:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:50,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:50,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-14 02:26:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:50,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 02:26:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:50,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:26:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:50,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 02:26:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 02:26:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:26:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-14 02:26:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-14 02:26:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 02:26:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:26:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:26:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 02:26:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:26:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:26:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:26:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 02:26:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-14 02:26:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:26:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:26:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 02:26:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-14 02:26:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-14 02:26:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-14 02:26:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-14 02:26:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 02:26:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 02:26:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-14 02:26:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-14 02:26:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 02:26:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-14 02:26:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-14 02:26:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:51,227 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-07-14 02:26:51,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:26:51,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122624608] [2022-07-14 02:26:51,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122624608] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:26:51,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:26:51,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:26:51,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151649897] [2022-07-14 02:26:51,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:26:51,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:26:51,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:26:51,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:26:51,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:26:51,230 INFO L87 Difference]: Start difference. First operand 13275 states and 18963 transitions. Second operand has 6 states, 5 states have (on average 33.4) internal successors, (167), 3 states have internal predecessors, (167), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-14 02:27:02,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:27:02,392 INFO L93 Difference]: Finished difference Result 33060 states and 47791 transitions. [2022-07-14 02:27:02,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 02:27:02,392 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 33.4) internal successors, (167), 3 states have internal predecessors, (167), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) Word has length 330 [2022-07-14 02:27:02,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:27:02,514 INFO L225 Difference]: With dead ends: 33060 [2022-07-14 02:27:02,514 INFO L226 Difference]: Without dead ends: 19798 [2022-07-14 02:27:02,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-14 02:27:02,575 INFO L413 NwaCegarLoop]: 3562 mSDtfsCounter, 2757 mSDsluCounter, 3323 mSDsCounter, 0 mSdLazyCounter, 4772 mSolverCounterSat, 1959 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3266 SdHoareTripleChecker+Valid, 6885 SdHoareTripleChecker+Invalid, 6731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1959 IncrementalHoareTripleChecker+Valid, 4772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-07-14 02:27:02,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3266 Valid, 6885 Invalid, 6731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1959 Valid, 4772 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2022-07-14 02:27:02,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19798 states. [2022-07-14 02:27:03,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19798 to 17579. [2022-07-14 02:27:03,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17579 states, 11221 states have (on average 1.2788521522145977) internal successors, (14350), 11716 states have internal predecessors, (14350), 5422 states have call successors, (5422), 931 states have call predecessors, (5422), 935 states have return successors, (5450), 5237 states have call predecessors, (5450), 5422 states have call successors, (5450) [2022-07-14 02:27:03,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17579 states to 17579 states and 25222 transitions. [2022-07-14 02:27:03,991 INFO L78 Accepts]: Start accepts. Automaton has 17579 states and 25222 transitions. Word has length 330 [2022-07-14 02:27:03,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:27:03,992 INFO L495 AbstractCegarLoop]: Abstraction has 17579 states and 25222 transitions. [2022-07-14 02:27:03,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 33.4) internal successors, (167), 3 states have internal predecessors, (167), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-14 02:27:03,992 INFO L276 IsEmpty]: Start isEmpty. Operand 17579 states and 25222 transitions. [2022-07-14 02:27:04,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-07-14 02:27:04,007 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:27:04,008 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:27:04,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 02:27:04,008 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:27:04,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:27:04,009 INFO L85 PathProgramCache]: Analyzing trace with hash 60245586, now seen corresponding path program 1 times [2022-07-14 02:27:04,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:27:04,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937565101] [2022-07-14 02:27:04,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:27:04,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:27:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:27:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:27:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:27:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:27:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-14 02:27:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 02:27:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:27:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 02:27:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 02:27:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:27:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-14 02:27:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-14 02:27:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 02:27:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:27:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:27:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 02:27:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:27:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:27:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:27:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 02:27:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 02:27:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 02:27:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:27:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 02:27:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 02:27:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:27:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:27:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 02:27:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-14 02:27:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-14 02:27:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-14 02:27:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-14 02:27:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 02:27:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 02:27:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-14 02:27:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-14 02:27:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-14 02:27:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-14 02:27:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-14 02:27:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:04,605 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 673 trivial. 0 not checked. [2022-07-14 02:27:04,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:27:04,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937565101] [2022-07-14 02:27:04,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937565101] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:27:04,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:27:04,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:27:04,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889018157] [2022-07-14 02:27:04,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:27:04,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:27:04,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:27:04,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:27:04,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:27:04,608 INFO L87 Difference]: Start difference. First operand 17579 states and 25222 transitions. Second operand has 6 states, 5 states have (on average 36.0) internal successors, (180), 3 states have internal predecessors, (180), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) [2022-07-14 02:27:13,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:27:13,264 INFO L93 Difference]: Finished difference Result 40033 states and 57862 transitions. [2022-07-14 02:27:13,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 02:27:13,265 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 36.0) internal successors, (180), 3 states have internal predecessors, (180), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) Word has length 385 [2022-07-14 02:27:13,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:27:13,388 INFO L225 Difference]: With dead ends: 40033 [2022-07-14 02:27:13,389 INFO L226 Difference]: Without dead ends: 22467 [2022-07-14 02:27:13,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-14 02:27:13,460 INFO L413 NwaCegarLoop]: 3185 mSDtfsCounter, 2864 mSDsluCounter, 2729 mSDsCounter, 0 mSdLazyCounter, 3916 mSolverCounterSat, 2643 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3304 SdHoareTripleChecker+Valid, 5914 SdHoareTripleChecker+Invalid, 6559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2643 IncrementalHoareTripleChecker+Valid, 3916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-07-14 02:27:13,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3304 Valid, 5914 Invalid, 6559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2643 Valid, 3916 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-07-14 02:27:13,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22467 states. [2022-07-14 02:27:14,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22467 to 19903. [2022-07-14 02:27:14,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19903 states, 12741 states have (on average 1.2783925908484421) internal successors, (16288), 13297 states have internal predecessors, (16288), 6089 states have call successors, (6089), 1068 states have call predecessors, (6089), 1072 states have return successors, (6117), 5884 states have call predecessors, (6117), 6089 states have call successors, (6117) [2022-07-14 02:27:14,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19903 states to 19903 states and 28494 transitions. [2022-07-14 02:27:14,949 INFO L78 Accepts]: Start accepts. Automaton has 19903 states and 28494 transitions. Word has length 385 [2022-07-14 02:27:14,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:27:14,950 INFO L495 AbstractCegarLoop]: Abstraction has 19903 states and 28494 transitions. [2022-07-14 02:27:14,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 36.0) internal successors, (180), 3 states have internal predecessors, (180), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) [2022-07-14 02:27:14,951 INFO L276 IsEmpty]: Start isEmpty. Operand 19903 states and 28494 transitions. [2022-07-14 02:27:14,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-07-14 02:27:14,983 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:27:14,983 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:27:14,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 02:27:14,984 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:27:14,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:27:14,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1024057141, now seen corresponding path program 1 times [2022-07-14 02:27:14,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:27:14,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565703900] [2022-07-14 02:27:14,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:27:14,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:27:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:27:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:27:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:27:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:27:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-14 02:27:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 02:27:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:27:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 02:27:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 02:27:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:27:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-14 02:27:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-14 02:27:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 02:27:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:27:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:27:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 02:27:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:27:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:27:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:27:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 02:27:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 02:27:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 02:27:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:27:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 02:27:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-14 02:27:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:27:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:27:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 02:27:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-14 02:27:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-14 02:27:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-14 02:27:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-14 02:27:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 02:27:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 02:27:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-14 02:27:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-14 02:27:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-14 02:27:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-14 02:27:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-14 02:27:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:15,382 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 673 trivial. 0 not checked. [2022-07-14 02:27:15,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:27:15,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565703900] [2022-07-14 02:27:15,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565703900] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:27:15,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:27:15,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:27:15,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811323089] [2022-07-14 02:27:15,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:27:15,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:27:15,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:27:15,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:27:15,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:27:15,386 INFO L87 Difference]: Start difference. First operand 19903 states and 28494 transitions. Second operand has 6 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) [2022-07-14 02:27:23,233 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:27:26,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:27:26,895 INFO L93 Difference]: Finished difference Result 45074 states and 65014 transitions. [2022-07-14 02:27:26,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 02:27:26,895 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) Word has length 384 [2022-07-14 02:27:26,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:27:27,064 INFO L225 Difference]: With dead ends: 45074 [2022-07-14 02:27:27,065 INFO L226 Difference]: Without dead ends: 25184 [2022-07-14 02:27:27,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-14 02:27:27,157 INFO L413 NwaCegarLoop]: 3324 mSDtfsCounter, 3525 mSDsluCounter, 2930 mSDsCounter, 0 mSdLazyCounter, 3840 mSolverCounterSat, 3622 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3965 SdHoareTripleChecker+Valid, 6254 SdHoareTripleChecker+Invalid, 7463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3622 IncrementalHoareTripleChecker+Valid, 3840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-07-14 02:27:27,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3965 Valid, 6254 Invalid, 7463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3622 Valid, 3840 Invalid, 1 Unknown, 0 Unchecked, 9.9s Time] [2022-07-14 02:27:27,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25184 states. [2022-07-14 02:27:28,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25184 to 22275. [2022-07-14 02:27:28,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22275 states, 14301 states have (on average 1.2778127403678063) internal successors, (18274), 14918 states have internal predecessors, (18274), 6760 states have call successors, (6760), 1209 states have call predecessors, (6760), 1213 states have return successors, (6788), 6535 states have call predecessors, (6788), 6760 states have call successors, (6788) [2022-07-14 02:27:28,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22275 states to 22275 states and 31822 transitions. [2022-07-14 02:27:28,907 INFO L78 Accepts]: Start accepts. Automaton has 22275 states and 31822 transitions. Word has length 384 [2022-07-14 02:27:28,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:27:28,908 INFO L495 AbstractCegarLoop]: Abstraction has 22275 states and 31822 transitions. [2022-07-14 02:27:28,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) [2022-07-14 02:27:28,909 INFO L276 IsEmpty]: Start isEmpty. Operand 22275 states and 31822 transitions. [2022-07-14 02:27:28,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-07-14 02:27:28,926 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:27:28,927 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 14, 14, 14, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:27:28,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 02:27:28,928 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:27:28,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:27:28,928 INFO L85 PathProgramCache]: Analyzing trace with hash -225089381, now seen corresponding path program 1 times [2022-07-14 02:27:28,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:27:28,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287429912] [2022-07-14 02:27:28,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:27:28,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:27:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:27:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:27:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:27:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:27:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-14 02:27:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 02:27:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:27:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 02:27:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 02:27:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:27:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-14 02:27:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-14 02:27:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 02:27:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:27:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:27:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 02:27:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:27:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:27:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:27:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 02:27:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 02:27:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 02:27:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:27:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 02:27:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-14 02:27:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:27:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-14 02:27:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-14 02:27:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:27:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:27:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 02:27:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-14 02:27:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-14 02:27:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-14 02:27:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-14 02:27:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 02:27:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 02:27:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-14 02:27:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-14 02:27:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-14 02:27:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-14 02:27:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-14 02:27:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2022-07-14 02:27:29,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:27:29,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287429912] [2022-07-14 02:27:29,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287429912] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:27:29,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:27:29,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 02:27:29,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763419112] [2022-07-14 02:27:29,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:27:29,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 02:27:29,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:27:29,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 02:27:29,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-14 02:27:29,490 INFO L87 Difference]: Start difference. First operand 22275 states and 31822 transitions. Second operand has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 4 states have internal predecessors, (187), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-14 02:27:42,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:27:45,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:27:45,053 INFO L93 Difference]: Finished difference Result 51310 states and 73896 transitions. [2022-07-14 02:27:45,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 02:27:45,054 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 4 states have internal predecessors, (187), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 426 [2022-07-14 02:27:45,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:27:45,180 INFO L225 Difference]: With dead ends: 51310 [2022-07-14 02:27:45,180 INFO L226 Difference]: Without dead ends: 29048 [2022-07-14 02:27:45,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-07-14 02:27:45,241 INFO L413 NwaCegarLoop]: 3259 mSDtfsCounter, 3791 mSDsluCounter, 5530 mSDsCounter, 0 mSdLazyCounter, 9359 mSolverCounterSat, 3910 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4228 SdHoareTripleChecker+Valid, 8789 SdHoareTripleChecker+Invalid, 13270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3910 IncrementalHoareTripleChecker+Valid, 9359 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-07-14 02:27:45,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4228 Valid, 8789 Invalid, 13270 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3910 Valid, 9359 Invalid, 1 Unknown, 0 Unchecked, 13.7s Time] [2022-07-14 02:27:45,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29048 states. [2022-07-14 02:27:46,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29048 to 25638. [2022-07-14 02:27:46,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25638 states, 16430 states have (on average 1.2775410833840535) internal successors, (20990), 17141 states have internal predecessors, (20990), 7800 states have call successors, (7800), 1404 states have call predecessors, (7800), 1407 states have return successors, (7832), 7546 states have call predecessors, (7832), 7800 states have call successors, (7832) [2022-07-14 02:27:46,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25638 states to 25638 states and 36622 transitions. [2022-07-14 02:27:46,849 INFO L78 Accepts]: Start accepts. Automaton has 25638 states and 36622 transitions. Word has length 426 [2022-07-14 02:27:46,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:27:46,852 INFO L495 AbstractCegarLoop]: Abstraction has 25638 states and 36622 transitions. [2022-07-14 02:27:46,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 4 states have internal predecessors, (187), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-14 02:27:46,852 INFO L276 IsEmpty]: Start isEmpty. Operand 25638 states and 36622 transitions. [2022-07-14 02:27:46,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-07-14 02:27:46,871 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:27:46,872 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 14, 14, 14, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:27:46,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-14 02:27:46,872 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:27:46,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:27:46,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1982081854, now seen corresponding path program 1 times [2022-07-14 02:27:46,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:27:46,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379364254] [2022-07-14 02:27:46,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:27:46,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:27:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:27:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:27:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:27:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:27:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-14 02:27:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 02:27:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:27:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 02:27:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 02:27:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:27:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-14 02:27:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-14 02:27:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 02:27:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:27:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:27:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 02:27:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:27:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:27:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:27:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 02:27:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 02:27:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 02:27:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:27:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 02:27:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-14 02:27:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:27:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-14 02:27:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-14 02:27:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:27:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:27:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:27:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 02:27:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-14 02:27:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-14 02:27:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-14 02:27:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-14 02:27:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 02:27:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 02:27:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-14 02:27:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-14 02:27:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-14 02:27:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-14 02:27:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-14 02:27:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:47,406 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2022-07-14 02:27:47,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:27:47,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379364254] [2022-07-14 02:27:47,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379364254] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:27:47,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:27:47,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 02:27:47,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172045086] [2022-07-14 02:27:47,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:27:47,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 02:27:47,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:27:47,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 02:27:47,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-14 02:27:47,409 INFO L87 Difference]: Start difference. First operand 25638 states and 36622 transitions. Second operand has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 4 states have internal predecessors, (187), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-14 02:27:58,591 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:28:00,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:28:06,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:28:06,166 INFO L93 Difference]: Finished difference Result 57370 states and 82560 transitions. [2022-07-14 02:28:06,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 02:28:06,168 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 4 states have internal predecessors, (187), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 426 [2022-07-14 02:28:06,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:28:06,287 INFO L225 Difference]: With dead ends: 57370 [2022-07-14 02:28:06,288 INFO L226 Difference]: Without dead ends: 31745 [2022-07-14 02:28:06,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-07-14 02:28:06,349 INFO L413 NwaCegarLoop]: 3326 mSDtfsCounter, 2200 mSDsluCounter, 6497 mSDsCounter, 0 mSdLazyCounter, 10013 mSolverCounterSat, 1569 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2640 SdHoareTripleChecker+Valid, 9823 SdHoareTripleChecker+Invalid, 11584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1569 IncrementalHoareTripleChecker+Valid, 10013 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:28:06,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2640 Valid, 9823 Invalid, 11584 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1569 Valid, 10013 Invalid, 2 Unknown, 0 Unchecked, 16.8s Time] [2022-07-14 02:28:06,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31745 states. [2022-07-14 02:28:07,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31745 to 27990. [2022-07-14 02:28:07,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27990 states, 17962 states have (on average 1.277140630219352) internal successors, (22940), 18734 states have internal predecessors, (22940), 8471 states have call successors, (8471), 1549 states have call predecessors, (8471), 1556 states have return successors, (8507), 8201 states have call predecessors, (8507), 8471 states have call successors, (8507) [2022-07-14 02:28:08,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27990 states to 27990 states and 39918 transitions. [2022-07-14 02:28:08,100 INFO L78 Accepts]: Start accepts. Automaton has 27990 states and 39918 transitions. Word has length 426 [2022-07-14 02:28:08,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:28:08,100 INFO L495 AbstractCegarLoop]: Abstraction has 27990 states and 39918 transitions. [2022-07-14 02:28:08,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 4 states have internal predecessors, (187), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-14 02:28:08,101 INFO L276 IsEmpty]: Start isEmpty. Operand 27990 states and 39918 transitions. [2022-07-14 02:28:08,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-07-14 02:28:08,117 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:28:08,117 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 14, 14, 14, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:28:08,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-14 02:28:08,118 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:28:08,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:28:08,118 INFO L85 PathProgramCache]: Analyzing trace with hash 883687870, now seen corresponding path program 1 times [2022-07-14 02:28:08,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:28:08,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698698705] [2022-07-14 02:28:08,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:28:08,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:28:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:28:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:28:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:28:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:28:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-14 02:28:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 02:28:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:28:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 02:28:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 02:28:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:28:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-14 02:28:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-14 02:28:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 02:28:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:28:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:28:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 02:28:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:28:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:28:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:28:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 02:28:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 02:28:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 02:28:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:28:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 02:28:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-14 02:28:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:28:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 02:28:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-14 02:28:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:28:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:28:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 02:28:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-14 02:28:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-14 02:28:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-14 02:28:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-14 02:28:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 02:28:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 02:28:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-14 02:28:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-14 02:28:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-14 02:28:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-14 02:28:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-14 02:28:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:08,670 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2022-07-14 02:28:08,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:28:08,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698698705] [2022-07-14 02:28:08,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698698705] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:28:08,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:28:08,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 02:28:08,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136578932] [2022-07-14 02:28:08,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:28:08,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 02:28:08,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:28:08,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 02:28:08,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-14 02:28:08,674 INFO L87 Difference]: Start difference. First operand 27990 states and 39918 transitions. Second operand has 8 states, 7 states have (on average 27.0) internal successors, (189), 4 states have internal predecessors, (189), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-14 02:28:19,886 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:28:21,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:28:28,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:28:28,323 INFO L93 Difference]: Finished difference Result 62383 states and 89676 transitions. [2022-07-14 02:28:28,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 02:28:28,324 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 27.0) internal successors, (189), 4 states have internal predecessors, (189), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 428 [2022-07-14 02:28:28,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:28:28,456 INFO L225 Difference]: With dead ends: 62383 [2022-07-14 02:28:28,457 INFO L226 Difference]: Without dead ends: 34406 [2022-07-14 02:28:28,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-07-14 02:28:28,533 INFO L413 NwaCegarLoop]: 3330 mSDtfsCounter, 2188 mSDsluCounter, 6504 mSDsCounter, 0 mSdLazyCounter, 10049 mSolverCounterSat, 1561 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2625 SdHoareTripleChecker+Valid, 9834 SdHoareTripleChecker+Invalid, 11612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1561 IncrementalHoareTripleChecker+Valid, 10049 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:28:28,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2625 Valid, 9834 Invalid, 11612 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1561 Valid, 10049 Invalid, 2 Unknown, 0 Unchecked, 17.5s Time] [2022-07-14 02:28:28,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34406 states. [2022-07-14 02:28:30,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34406 to 30306. [2022-07-14 02:28:30,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30306 states, 19474 states have (on average 1.2770873985827256) internal successors, (24870), 20307 states have internal predecessors, (24870), 9138 states have call successors, (9138), 1686 states have call predecessors, (9138), 1693 states have return successors, (9174), 8848 states have call predecessors, (9174), 9138 states have call successors, (9174) [2022-07-14 02:28:30,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30306 states to 30306 states and 43182 transitions. [2022-07-14 02:28:30,367 INFO L78 Accepts]: Start accepts. Automaton has 30306 states and 43182 transitions. Word has length 428 [2022-07-14 02:28:30,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:28:30,368 INFO L495 AbstractCegarLoop]: Abstraction has 30306 states and 43182 transitions. [2022-07-14 02:28:30,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 27.0) internal successors, (189), 4 states have internal predecessors, (189), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-14 02:28:30,368 INFO L276 IsEmpty]: Start isEmpty. Operand 30306 states and 43182 transitions. [2022-07-14 02:28:30,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2022-07-14 02:28:30,386 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:28:30,387 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 14, 14, 14, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:28:30,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-14 02:28:30,387 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:28:30,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:28:30,388 INFO L85 PathProgramCache]: Analyzing trace with hash -119098029, now seen corresponding path program 1 times [2022-07-14 02:28:30,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:28:30,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138405536] [2022-07-14 02:28:30,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:28:30,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:28:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:28:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:28:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:28:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:28:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-14 02:28:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 02:28:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:28:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 02:28:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 02:28:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:28:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-14 02:28:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-14 02:28:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 02:28:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:28:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:28:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 02:28:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:28:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:28:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:28:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 02:28:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 02:28:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 02:28:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:28:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 02:28:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-14 02:28:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:28:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-14 02:28:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-14 02:28:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-14 02:28:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:28:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:28:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 02:28:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-14 02:28:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-14 02:28:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-14 02:28:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-14 02:28:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 02:28:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 02:28:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-14 02:28:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-14 02:28:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-14 02:28:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-14 02:28:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-14 02:28:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:30,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1018 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 939 trivial. 0 not checked. [2022-07-14 02:28:30,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:28:30,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138405536] [2022-07-14 02:28:30,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138405536] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:28:30,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:28:30,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:28:30,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571856793] [2022-07-14 02:28:30,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:28:30,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:28:30,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:28:30,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:28:30,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:28:30,876 INFO L87 Difference]: Start difference. First operand 30306 states and 43182 transitions. Second operand has 6 states, 5 states have (on average 38.0) internal successors, (190), 3 states have internal predecessors, (190), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-14 02:28:42,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:28:42,355 INFO L93 Difference]: Finished difference Result 68226 states and 98036 transitions. [2022-07-14 02:28:42,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 02:28:42,356 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 38.0) internal successors, (190), 3 states have internal predecessors, (190), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) Word has length 442 [2022-07-14 02:28:42,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:28:42,503 INFO L225 Difference]: With dead ends: 68226 [2022-07-14 02:28:42,503 INFO L226 Difference]: Without dead ends: 37933 [2022-07-14 02:28:42,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-14 02:28:42,588 INFO L413 NwaCegarLoop]: 3375 mSDtfsCounter, 3695 mSDsluCounter, 2934 mSDsCounter, 0 mSdLazyCounter, 3878 mSolverCounterSat, 3804 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4137 SdHoareTripleChecker+Valid, 6309 SdHoareTripleChecker+Invalid, 7682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3804 IncrementalHoareTripleChecker+Valid, 3878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-07-14 02:28:42,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4137 Valid, 6309 Invalid, 7682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3804 Valid, 3878 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-07-14 02:28:42,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37933 states. [2022-07-14 02:28:44,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37933 to 33354. [2022-07-14 02:28:44,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33354 states, 21404 states have (on average 1.2777985423285367) internal successors, (27350), 22330 states have internal predecessors, (27350), 10085 states have call successors, (10085), 1859 states have call predecessors, (10085), 1864 states have return successors, (10121), 9765 states have call predecessors, (10121), 10085 states have call successors, (10121) [2022-07-14 02:28:44,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33354 states to 33354 states and 47556 transitions. [2022-07-14 02:28:44,553 INFO L78 Accepts]: Start accepts. Automaton has 33354 states and 47556 transitions. Word has length 442 [2022-07-14 02:28:44,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:28:44,554 INFO L495 AbstractCegarLoop]: Abstraction has 33354 states and 47556 transitions. [2022-07-14 02:28:44,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.0) internal successors, (190), 3 states have internal predecessors, (190), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-14 02:28:44,555 INFO L276 IsEmpty]: Start isEmpty. Operand 33354 states and 47556 transitions. [2022-07-14 02:28:44,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2022-07-14 02:28:44,572 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:28:44,572 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 14, 14, 14, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:28:44,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-14 02:28:44,573 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:28:44,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:28:44,573 INFO L85 PathProgramCache]: Analyzing trace with hash 302869392, now seen corresponding path program 1 times [2022-07-14 02:28:44,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:28:44,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793501356] [2022-07-14 02:28:44,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:28:44,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:28:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:28:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:28:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:28:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:28:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-14 02:28:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 02:28:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:28:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 02:28:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 02:28:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:28:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-14 02:28:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-14 02:28:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 02:28:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:28:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:28:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 02:28:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:28:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:28:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:28:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 02:28:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 02:28:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:44,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 02:28:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:28:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 02:28:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-14 02:28:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:28:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 02:28:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-14 02:28:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-14 02:28:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:28:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:28:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 02:28:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-14 02:28:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-14 02:28:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-14 02:28:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-14 02:28:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 02:28:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 02:28:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-14 02:28:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-14 02:28:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-14 02:28:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-14 02:28:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-14 02:28:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:45,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1045 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2022-07-14 02:28:45,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:28:45,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793501356] [2022-07-14 02:28:45,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793501356] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:28:45,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:28:45,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:28:45,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327131931] [2022-07-14 02:28:45,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:28:45,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:28:45,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:28:45,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:28:45,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:28:45,253 INFO L87 Difference]: Start difference. First operand 33354 states and 47556 transitions. Second operand has 6 states, 5 states have (on average 38.2) internal successors, (191), 3 states have internal predecessors, (191), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-14 02:28:56,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:28:56,427 INFO L93 Difference]: Finished difference Result 73975 states and 106298 transitions. [2022-07-14 02:28:56,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 02:28:56,428 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 38.2) internal successors, (191), 3 states have internal predecessors, (191), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) Word has length 450 [2022-07-14 02:28:56,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:28:56,713 INFO L225 Difference]: With dead ends: 73975 [2022-07-14 02:28:56,713 INFO L226 Difference]: Without dead ends: 40634 [2022-07-14 02:28:56,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-14 02:28:56,800 INFO L413 NwaCegarLoop]: 3329 mSDtfsCounter, 3487 mSDsluCounter, 2936 mSDsCounter, 0 mSdLazyCounter, 3835 mSolverCounterSat, 3617 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3927 SdHoareTripleChecker+Valid, 6265 SdHoareTripleChecker+Invalid, 7452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3617 IncrementalHoareTripleChecker+Valid, 3835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:28:56,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3927 Valid, 6265 Invalid, 7452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3617 Valid, 3835 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-07-14 02:28:56,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40634 states. [2022-07-14 02:28:58,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40634 to 35710. [2022-07-14 02:28:58,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35710 states, 22948 states have (on average 1.2776712567544013) internal successors, (29320), 23935 states have internal predecessors, (29320), 10756 states have call successors, (10756), 2000 states have call predecessors, (10756), 2005 states have return successors, (10792), 10416 states have call predecessors, (10792), 10756 states have call successors, (10792) [2022-07-14 02:28:59,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35710 states to 35710 states and 50868 transitions. [2022-07-14 02:28:59,081 INFO L78 Accepts]: Start accepts. Automaton has 35710 states and 50868 transitions. Word has length 450 [2022-07-14 02:28:59,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:28:59,082 INFO L495 AbstractCegarLoop]: Abstraction has 35710 states and 50868 transitions. [2022-07-14 02:28:59,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.2) internal successors, (191), 3 states have internal predecessors, (191), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-14 02:28:59,083 INFO L276 IsEmpty]: Start isEmpty. Operand 35710 states and 50868 transitions. [2022-07-14 02:28:59,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2022-07-14 02:28:59,100 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:28:59,101 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 15, 15, 15, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:28:59,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-14 02:28:59,101 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:28:59,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:28:59,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1695224394, now seen corresponding path program 1 times [2022-07-14 02:28:59,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:28:59,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651057503] [2022-07-14 02:28:59,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:28:59,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:28:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:28:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:28:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:28:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:28:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-14 02:28:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 02:28:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:28:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 02:28:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 02:28:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:28:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-14 02:28:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-14 02:28:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 02:28:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:28:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:28:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 02:28:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:28:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:28:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:28:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 02:28:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 02:28:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 02:28:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:28:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 02:28:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-14 02:28:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:28:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-14 02:28:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-14 02:28:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-14 02:28:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-14 02:28:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:28:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:28:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:28:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 02:28:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-14 02:28:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-14 02:28:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-14 02:28:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-14 02:28:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 02:28:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 02:28:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-14 02:28:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-14 02:28:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-14 02:28:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-14 02:28:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-14 02:28:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:59,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1101 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2022-07-14 02:28:59,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:28:59,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651057503] [2022-07-14 02:28:59,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651057503] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:28:59,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:28:59,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:28:59,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148450421] [2022-07-14 02:28:59,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:28:59,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:28:59,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:28:59,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:28:59,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:28:59,580 INFO L87 Difference]: Start difference. First operand 35710 states and 50868 transitions. Second operand has 6 states, 5 states have (on average 38.8) internal successors, (194), 3 states have internal predecessors, (194), 4 states have call successors, (46), 5 states have call predecessors, (46), 1 states have return successors, (44), 3 states have call predecessors, (44), 4 states have call successors, (44) [2022-07-14 02:29:11,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:29:11,183 INFO L93 Difference]: Finished difference Result 78980 states and 113402 transitions. [2022-07-14 02:29:11,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 02:29:11,184 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 38.8) internal successors, (194), 3 states have internal predecessors, (194), 4 states have call successors, (46), 5 states have call predecessors, (46), 1 states have return successors, (44), 3 states have call predecessors, (44), 4 states have call successors, (44) Word has length 463 [2022-07-14 02:29:11,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:29:11,349 INFO L225 Difference]: With dead ends: 78980 [2022-07-14 02:29:11,349 INFO L226 Difference]: Without dead ends: 43283 [2022-07-14 02:29:11,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-14 02:29:11,446 INFO L413 NwaCegarLoop]: 3332 mSDtfsCounter, 3490 mSDsluCounter, 2932 mSDsCounter, 0 mSdLazyCounter, 3823 mSolverCounterSat, 3614 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3928 SdHoareTripleChecker+Valid, 6264 SdHoareTripleChecker+Invalid, 7437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3614 IncrementalHoareTripleChecker+Valid, 3823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-07-14 02:29:11,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3928 Valid, 6264 Invalid, 7437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3614 Valid, 3823 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2022-07-14 02:29:11,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43283 states. [2022-07-14 02:29:13,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43283 to 38014. [2022-07-14 02:29:13,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38014 states, 24448 states have (on average 1.277732329842932) internal successors, (31238), 25496 states have internal predecessors, (31238), 11423 states have call successors, (11423), 2137 states have call predecessors, (11423), 2142 states have return successors, (11459), 11063 states have call predecessors, (11459), 11423 states have call successors, (11459) [2022-07-14 02:29:13,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38014 states to 38014 states and 54120 transitions. [2022-07-14 02:29:13,682 INFO L78 Accepts]: Start accepts. Automaton has 38014 states and 54120 transitions. Word has length 463 [2022-07-14 02:29:13,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:29:13,683 INFO L495 AbstractCegarLoop]: Abstraction has 38014 states and 54120 transitions. [2022-07-14 02:29:13,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.8) internal successors, (194), 3 states have internal predecessors, (194), 4 states have call successors, (46), 5 states have call predecessors, (46), 1 states have return successors, (44), 3 states have call predecessors, (44), 4 states have call successors, (44) [2022-07-14 02:29:13,683 INFO L276 IsEmpty]: Start isEmpty. Operand 38014 states and 54120 transitions. [2022-07-14 02:29:13,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2022-07-14 02:29:13,695 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:29:13,695 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 14, 14, 14, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:29:13,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-14 02:29:13,695 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:29:13,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:29:13,696 INFO L85 PathProgramCache]: Analyzing trace with hash 893713462, now seen corresponding path program 1 times [2022-07-14 02:29:13,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:29:13,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464941992] [2022-07-14 02:29:13,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:29:13,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:29:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:29:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:29:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:29:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:29:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:29:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:29:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:29:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:29:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-14 02:29:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 02:29:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:29:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 02:29:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 02:29:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:29:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:29:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-14 02:29:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-14 02:29:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 02:29:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:29:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:29:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:29:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 02:29:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:29:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:29:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:29:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:29:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 02:29:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 02:29:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 02:29:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:29:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:29:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 02:29:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-14 02:29:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:29:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:29:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 02:29:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-14 02:29:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-14 02:29:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:29:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-14 02:29:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-14 02:29:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:29:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:29:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:29:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 02:29:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-14 02:29:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-14 02:29:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-14 02:29:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-14 02:29:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 02:29:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 02:29:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-14 02:29:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-14 02:29:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-14 02:29:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-14 02:29:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-14 02:29:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:29:14,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 1139 trivial. 0 not checked. [2022-07-14 02:29:14,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:29:14,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464941992] [2022-07-14 02:29:14,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464941992] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:29:14,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:29:14,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 02:29:14,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813976697] [2022-07-14 02:29:14,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:29:14,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 02:29:14,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:29:14,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 02:29:14,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-14 02:29:14,362 INFO L87 Difference]: Start difference. First operand 38014 states and 54120 transitions. Second operand has 8 states, 7 states have (on average 27.857142857142858) internal successors, (195), 4 states have internal predecessors, (195), 4 states have call successors, (45), 5 states have call predecessors, (45), 2 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43)